Intel Core Ultra 7 155H testing by Michael Larabel for a future article.
Compare your own system(s) to this result file with the
Phoronix Test Suite by running the command:
phoronix-test-suite benchmark 2312223-NE-2312204NE92
Intel Core Ultra 7 155H Arc Graphics Linux Performance
Intel Core Ultra 7 155H testing by Michael Larabel for a future article.
Core i7 1280P:
Processor: Intel Core i7-1280P @ 4.70GHz (14 Cores / 20 Threads), Motherboard: MSI MS-14C6 (E14C6IMS.115 BIOS), Chipset: Intel Alder Lake PCH, Memory: 16GB, Disk: 1024GB Micron_3400_MTFDKBA1T0TFH, Graphics: MSI Intel ADL GT2 15GB (1450MHz), Audio: Realtek ALC274, Network: Intel Alder Lake-P PCH CNVi WiFi
OS: Ubuntu 23.10, Kernel: 6.7.0-060700rc5-generic (x86_64), Desktop: GNOME Shell 45.1, Display Server: X Server 1.21.1.7 + Wayland, OpenGL: 4.6 Mesa 24.0~git2312172103.377c6b~oibaf~m (git-377c6b2 2023-12-17 mantic-oibaf-ppa), Compiler: GCC 13.2.0, File-System: ext4, Screen Resolution: 1920x1080
Core Ultra 7 155H:
Processor: Intel Core Ultra 7 155H @ 4.80GHz (16 Cores / 22 Threads), Motherboard: MTL Coral_MTH (V1.01 BIOS), Chipset: Intel Device 7e7f, Memory: 16GB, Disk: 1024GB Micron_2550_MTFDKBA1T0TGE, Graphics: Intel Arc MTL 15GB (2250MHz), Audio: Intel Meteor Lake-P HD Audio, Network: Intel Device 7e40
OS: Ubuntu 23.10, Kernel: 6.7.0-060700rc5-generic (x86_64), Desktop: GNOME Shell 45.1, Display Server: X Server 1.21.1.7 + Wayland, OpenGL: 4.6 Mesa 24.0~git2312172103.377c6b~oibaf~m (git-377c6b2 2023-12-17 mantic-oibaf-ppa), Compiler: GCC 13.2.0, File-System: ext4, Screen Resolution: 1920x1200
Ryzen 7 7840U:
Processor: AMD Ryzen 7 7840U @ 5.13GHz (8 Cores / 16 Threads), Motherboard: Framework FRANMDCP07 (03.03 BIOS), Chipset: AMD Device 14e8, Memory: 16GB, Disk: 512GB Western Digital WD PC SN740 SDDPNQD-512G, Graphics: AMD Phoenix1 512MB (2700/2800MHz), Audio: AMD Rembrandt Radeon HD Audio, Network: MEDIATEK MT7922 802.11ax PCI
OS: Ubuntu 23.10, Kernel: 6.7.0-060700rc5-generic (x86_64), Desktop: GNOME Shell 45.1, Display Server: X Server 1.21.1.7 + Wayland, OpenGL: 4.6 Mesa 24.0~git2312160600.5d937f~oibaf~m (git-5d937f0 2023-12-16 mantic-oibaf-ppa) (LLVM 16.0.6 DRM 3.56), Compiler: GCC 13.2.0, File-System: ext4, Screen Resolution: 1920x1080
Core i7 1185G7:
Processor: Intel Core i7-1185G7 @ 4.80GHz (4 Cores / 8 Threads), Motherboard: Dell 0DXP1F (3.7.0 BIOS), Chipset: Intel Tiger Lake-LP, Memory: 16GB, Disk: Micron 2300 NVMe 512GB, Graphics: Intel Xe TGL GT2 15GB (1350MHz), Audio: Realtek ALC289, Network: Intel Wi-Fi 6 AX201
OS: Ubuntu 23.10, Kernel: 6.7.0-060700rc5-generic (x86_64), Desktop: GNOME Shell 45.1, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 24.0~git2312220600.68c53e~oibaf~m (git-68c53ec 2023-12-22 mantic-oibaf-ppa), OpenCL: OpenCL 3.0, Compiler: GCC 13.2.0, File-System: ext4, Screen Resolution: 1920x1200
3DMark Wild Life Extreme 1.1.2.1
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Core i7 1280P ..... 66.27 |===================================
Core Ultra 7 155H . 98.61 |====================================================
Ryzen 7 7840U ..... 88.05 |==============================================
Core i7 1185G7 .... 54.54 |=============================
3DMark Wild Life Extreme 1.1.2.1
Resolution: 1920 x 1080
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 1.642 |========================
Core Ultra 7 155H . 3.582 |====================================================
Ryzen 7 7840U ..... 3.074 |=============================================
Core i7 1185G7 .... 2.291 |=================================
3DMark Wild Life Extreme 1.1.2.1
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.2 AVG: 40.3 MAX: 56.3
Core Ultra 7 155H . MIN: 1.8 AVG: 27.5 MAX: 34.0
Ryzen 7 7840U ..... MIN: 2.7 AVG: 28.6 MAX: 50.1
Core i7 1185G7 .... MIN: 0.9 AVG: 23.8 MAX: 34.0
CPU Power Consumption Monitor
Phoronix Test Suite System Monitoring
Watts
Core i7 1280P ..... MIN: 4.7 AVG: 36.1 MAX: 67.4
Core Ultra 7 155H . MIN: 1.2 AVG: 24.4 MAX: 43.5
Ryzen 7 7840U ..... MIN: 1.8 AVG: 25.8 MAX: 51.0
Core i7 1185G7 .... MIN: 0.4 AVG: 21.4 MAX: 48.8
ET: Legacy 2.81
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Core i7 1280P ..... 187.9 |=============================================
Core Ultra 7 155H . 215.5 |====================================================
Ryzen 7 7840U ..... 213.6 |====================================================
Core i7 1185G7 .... 149.4 |====================================
ET: Legacy 2.81
Resolution: 1920 x 1080
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 4.641 |==========================
Core Ultra 7 155H . 9.149 |====================================================
Ryzen 7 7840U ..... 8.380 |================================================
Core i7 1185G7 .... 6.512 |=====================================
ET: Legacy 2.81
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.4 AVG: 40.5 MAX: 57.4
Core Ultra 7 155H . MIN: 1.6 AVG: 23.6 MAX: 37.6
Ryzen 7 7840U ..... MIN: 3.6 AVG: 25.5 MAX: 40.2
Core i7 1185G7 .... MIN: 1.0 AVG: 22.9 MAX: 37.0
GravityMark 1.82
Resolution: 1920 x 1080 - Renderer: Vulkan
Frames Per Second > Higher Is Better
Core i7 1280P ..... 31.2 |===================================
Core Ultra 7 155H . 46.9 |=====================================================
Ryzen 7 7840U ..... 39.1 |============================================
Core i7 1185G7 .... 26.9 |==============================
GravityMark 1.82
Resolution: 1920 x 1080 - Renderer: Vulkan
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 0.801 |==================
Core Ultra 7 155H . 2.258 |====================================================
Ryzen 7 7840U ..... 1.310 |==============================
Core i7 1185G7 .... 1.167 |===========================
GravityMark 1.82
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.1 AVG: 38.9 MAX: 66.4
Core Ultra 7 155H . MIN: 1.5 AVG: 20.8 MAX: 37.1
Ryzen 7 7840U ..... MIN: 3.6 AVG: 29.9 MAX: 41.9
Core i7 1185G7 .... MIN: 0.7 AVG: 23.0 MAX: 39.4
Meta Performance Per Watts
Performance Per Watts
Performance Per Watts > Higher Is Better
Core i7 1185G7 . 149.08 |======================================================
Tesseract 2014-05-12
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Core i7 1280P ..... 215.84 |=======================================
Core Ultra 7 155H . 264.10 |================================================
Ryzen 7 7840U ..... 282.55 |===================================================
Core i7 1185G7 .... 159.16 |=============================
Tesseract 2014-05-12
Resolution: 1920 x 1080
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 5.108 |===================
Core Ultra 7 155H . 13.901 |===================================================
Ryzen 7 7840U ..... 9.993 |=====================================
Core i7 1185G7 .... 6.918 |=========================
Tesseract 2014-05-12
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 4.9 AVG: 42.3 MAX: 57.3
Core Ultra 7 155H . MIN: 1.8 AVG: 19.0 MAX: 28.8
Ryzen 7 7840U ..... MIN: 3.6 AVG: 28.3 MAX: 40.9
Core i7 1185G7 .... MIN: 1.0 AVG: 23.0 MAX: 35.9
Unigine Heaven 4.0
Resolution: 1920 x 1080 - Mode: Fullscreen - Renderer: OpenGL
Frames Per Second > Higher Is Better
Core i7 1280P ..... 42.89 |==================================
Core Ultra 7 155H . 65.76 |====================================================
Ryzen 7 7840U ..... 57.55 |==============================================
Core i7 1185G7 .... 33.79 |===========================
Unigine Heaven 4.0
Resolution: 1920 x 1080 - Mode: Fullscreen - Renderer: OpenGL
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 1.046 |========================
Core Ultra 7 155H . 2.260 |====================================================
Ryzen 7 7840U ..... 2.016 |==============================================
Core i7 1185G7 .... 1.435 |=================================
Unigine Heaven 4.0
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.1 AVG: 41.0 MAX: 56.2
Core Ultra 7 155H . MIN: 1.7 AVG: 29.1 MAX: 32.7
Ryzen 7 7840U ..... MIN: 2.3 AVG: 28.5 MAX: 35.7
Core i7 1185G7 .... MIN: 0.7 AVG: 23.5 MAX: 34.5
Unigine Superposition 1.0
Resolution: 1920 x 1080 - Mode: Fullscreen - Quality: Low - Renderer: OpenGL
Frames Per Second > Higher Is Better
Core i7 1280P ..... 44.0 |==================================
Core Ultra 7 155H . 67.7 |=====================================================
Ryzen 7 7840U ..... 65.3 |===================================================
Core i7 1185G7 .... 33.5 |==========================
Unigine Superposition 1.0
Resolution: 1920 x 1080 - Mode: Fullscreen - Quality: Low - Renderer: OpenGL
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 1.088 |======================
Core Ultra 7 155H . 2.584 |====================================================
Ryzen 7 7840U ..... 2.315 |===============================================
Core i7 1185G7 .... 1.544 |===============================
Unigine Superposition 1.0
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 4.7 AVG: 40.4 MAX: 54.2
Core Ultra 7 155H . MIN: 1.6 AVG: 26.2 MAX: 35.8
Ryzen 7 7840U ..... MIN: 3.7 AVG: 28.2 MAX: 40.5
Core i7 1185G7 .... MIN: 1.1 AVG: 21.7 MAX: 35.6
Unigine Valley 1.0
Resolution: 1920 x 1080 - Mode: Fullscreen - Renderer: OpenGL
Frames Per Second > Higher Is Better
Core i7 1280P ..... 46.23 |======================================
Core Ultra 7 155H . 62.97 |====================================================
Ryzen 7 7840U ..... 57.60 |================================================
Core i7 1185G7 .... 34.58 |=============================
Unigine Valley 1.0
Resolution: 1920 x 1080 - Mode: Fullscreen - Renderer: OpenGL
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 1.120 |===========================
Core Ultra 7 155H . 2.155 |====================================================
Ryzen 7 7840U ..... 2.036 |=================================================
Core i7 1185G7 .... 1.446 |===================================
Unigine Valley 1.0
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.0 AVG: 41.3 MAX: 62.8
Core Ultra 7 155H . MIN: 1.6 AVG: 29.2 MAX: 37.0
Ryzen 7 7840U ..... MIN: 2.9 AVG: 28.3 MAX: 34.7
Core i7 1185G7 .... MIN: 0.8 AVG: 23.9 MAX: 40.7
Unvanquished 0.54
Resolution: 1920 x 1080 - Effects Quality: High
Frames Per Second > Higher Is Better
Core i7 1280P ..... 319.7 |=========================================
Core Ultra 7 155H . 365.9 |===============================================
Ryzen 7 7840U ..... 406.3 |====================================================
Core i7 1185G7 .... 250.5 |================================
Unvanquished 0.54
Resolution: 1920 x 1080 - Effects Quality: High
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 8.295 |===========================
Core Ultra 7 155H . 14.470 |===============================================
Ryzen 7 7840U ..... 15.622 |===================================================
Core i7 1185G7 .... 10.356 |==================================
Unvanquished 0.54
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.0 AVG: 38.5 MAX: 61.8
Core Ultra 7 155H . MIN: 1.8 AVG: 25.3 MAX: 40.7
Ryzen 7 7840U ..... MIN: 3.1 AVG: 26.0 MAX: 43.1
Core i7 1185G7 .... MIN: 0.9 AVG: 24.2 MAX: 41.6
Unvanquished 0.54
Resolution: 1920 x 1080 - Effects Quality: Ultra
Frames Per Second > Higher Is Better
Core i7 1280P ..... 235.1 |=========================================
Core Ultra 7 155H . 299.4 |====================================================
Ryzen 7 7840U ..... 294.6 |===================================================
Core i7 1185G7 .... 186.1 |================================
Unvanquished 0.54
Resolution: 1920 x 1080 - Effects Quality: Ultra
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 6.006 |==========================
Core Ultra 7 155H . 11.630 |===================================================
Ryzen 7 7840U ..... 10.745 |===============================================
Core i7 1185G7 .... 7.719 |==================================
Unvanquished 0.54
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.1 AVG: 39.1 MAX: 62.9
Core Ultra 7 155H . MIN: 1.7 AVG: 25.7 MAX: 42.1
Ryzen 7 7840U ..... MIN: 3.7 AVG: 27.4 MAX: 44.7
Core i7 1185G7 .... MIN: 1.1 AVG: 24.1 MAX: 42.6
vkpeak 20230730
fp32-scalar
GFLOPS > Higher Is Better
Core i7 1280P ..... 1193.22 |==============
Core i7 1280P ..... 1194.36 |==============
Core Ultra 7 155H . 4280.69 |==================================================
Ryzen 7 7840U ..... 3253.13 |======================================
Core i7 1185G7 .... 1224.59 |==============
Core i7 1185G7 .... 1224.61 |==============
Core i7 1185G7 .... 1224.60 |==============
vkpeak 20230730
fp32-vec4
GFLOPS > Higher Is Better
Core i7 1280P ..... 1104.30 |=====================
Core i7 1280P ..... 1104.86 |=====================
Core i7 1280P ..... 1104.63 |=====================
Core Ultra 7 155H . 2659.86 |==================================================
Ryzen 7 7840U ..... 2658.75 |==================================================
Core i7 1185G7 .... 1140.52 |=====================
Core i7 1185G7 .... 1140.54 |=====================
Core i7 1185G7 .... 1140.51 |=====================
vkpeak 20230730
fp16-scalar
GFLOPS > Higher Is Better
Core i7 1280P ..... 2411.95 |=====================
Core i7 1280P ..... 2402.90 |====================
Core i7 1280P ..... 2421.92 |=====================
Core Ultra 7 155H . 5862.77 |==================================================
Ryzen 7 7840U ..... 2937.59 |=========================
Core i7 1185G7 .... 2490.99 |=====================
Core i7 1185G7 .... 2490.90 |=====================
Core i7 1185G7 .... 2490.92 |=====================
vkpeak 20230730
fp16-vec4
GFLOPS > Higher Is Better
Core i7 1280P ..... 3371.61 |==============================
Core i7 1280P ..... 3375.13 |==============================
Core i7 1280P ..... 3368.86 |==============================
Core Ultra 7 155H . 4636.91 |=========================================
Ryzen 7 7840U ..... 5666.03 |==================================================
Core i7 1185G7 .... 3346.24 |==============================
Core i7 1185G7 .... 3346.18 |==============================
Core i7 1185G7 .... 3346.06 |==============================
vkpeak 20230730
fp64-scalar
GFLOPS > Higher Is Better
Core Ultra 7 155H . 137.41 |===================================================
Ryzen 7 7840U ..... 130.31 |================================================
vkpeak 20230730
fp64-vec4
GFLOPS > Higher Is Better
Core Ultra 7 155H . 134.17 |===================================================
Ryzen 7 7840U ..... 129.94 |=================================================
vkpeak 20230730
int32-scalar
GIOPS > Higher Is Better
Core i7 1280P ..... 470.45 |======================
Core i7 1280P ..... 469.91 |=====================
Core i7 1280P ..... 469.77 |=====================
Core Ultra 7 155H . 1093.83 |==================================================
Ryzen 7 7840U ..... 763.84 |===================================
Core i7 1185G7 .... 493.14 |=======================
Core i7 1185G7 .... 493.13 |=======================
vkpeak 20230730
int32-vec4
GIOPS > Higher Is Better
Core i7 1280P ..... 492.04 |======================
Core i7 1280P ..... 492.54 |======================
Core i7 1280P ..... 492.44 |======================
Core Ultra 7 155H . 1138.25 |==================================================
Ryzen 7 7840U ..... 778.05 |==================================
Core i7 1185G7 .... 512.61 |=======================
Core i7 1185G7 .... 512.60 |=======================
vkpeak 20230730
int16-scalar
GIOPS > Higher Is Better
Core i7 1280P ..... 924.10 |================
Core i7 1280P ..... 924.90 |================
Core i7 1280P ..... 925.82 |================
Core Ultra 7 155H . 2153.77 |=====================================
Ryzen 7 7840U ..... 2933.47 |==================================================
Core i7 1185G7 .... 942.70 |================
Core i7 1185G7 .... 942.72 |================
Core i7 1185G7 .... 942.71 |================
vkpeak 20230730
int16-vec4
GIOPS > Higher Is Better
Core i7 1185G7 . 1016.82 |=====================================================
Core i7 1185G7 . 1016.84 |=====================================================
vkpeak 20230730
int16-vec4
GIOPS Per Watt > Higher Is Better
Core i7 1185G7 . 71.27 |=======================================================
Core i7 1185G7 . 71.20 |=======================================================
Core i7 1185G7 . 71.25 |=======================================================
vkpeak 20230730
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1185G7 . MIN: 0.5 AVG: 14.3 MAX: 17.0
Core i7 1185G7 . MIN: 0.4 AVG: 14.3 MAX: 17.0
Core i7 1185G7 . MIN: 0.4 AVG: 14.3 MAX: 17.2
Warsow 2.5 Beta
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
Core i7 1280P ..... 312.1 |========================================
Core Ultra 7 155H . 404.6 |====================================================
Ryzen 7 7840U ..... 348.1 |=============================================
Core i7 1185G7 .... 194.8 |=========================
Warsow 2.5 Beta
Resolution: 1920 x 1080
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 7.436 |=========================
Core Ultra 7 155H . 14.940 |===================================================
Ryzen 7 7840U ..... 11.872 |=========================================
Core i7 1185G7 .... 8.828 |==============================
Warsow 2.5 Beta
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.1 AVG: 42.0 MAX: 55.9
Core Ultra 7 155H . MIN: 1.7 AVG: 27.1 MAX: 33.5
Ryzen 7 7840U ..... MIN: 3.5 AVG: 29.3 MAX: 45.9
Core i7 1185G7 .... MIN: 1.2 AVG: 22.1 MAX: 48.8
Xonotic 0.8.6
Resolution: 1920 x 1080 - Effects Quality: High
Frames Per Second > Higher Is Better
Core i7 1280P ..... 289.38 |=====================================
Core Ultra 7 155H . 380.98 |=================================================
Ryzen 7 7840U ..... 394.40 |===================================================
Core i7 1185G7 .... 205.50 |===========================
Xonotic 0.8.6
Resolution: 1920 x 1080 - Effects Quality: High
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 7.123 |===========================
Core Ultra 7 155H . 11.254 |==========================================
Ryzen 7 7840U ..... 13.633 |===================================================
Core i7 1185G7 .... 8.894 |=================================
Xonotic 0.8.6
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.2 AVG: 40.6 MAX: 67.0
Core Ultra 7 155H . MIN: 1.8 AVG: 33.9 MAX: 42.9
Ryzen 7 7840U ..... MIN: 3.4 AVG: 28.9 MAX: 39.0
Core i7 1185G7 .... MIN: 1.1 AVG: 23.1 MAX: 41.4
Xonotic 0.8.6
Resolution: 1920 x 1080 - Effects Quality: Ultra
Frames Per Second > Higher Is Better
Core i7 1280P ..... 242.14 |===================================
Core Ultra 7 155H . 322.31 |==============================================
Ryzen 7 7840U ..... 357.51 |===================================================
Core i7 1185G7 .... 169.80 |========================
Xonotic 0.8.6
Resolution: 1920 x 1080 - Effects Quality: Ultra
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 5.970 |========================
Core Ultra 7 155H . 9.557 |======================================
Ryzen 7 7840U ..... 12.687 |===================================================
Core i7 1185G7 .... 7.436 |==============================
Xonotic 0.8.6
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.5 AVG: 40.6 MAX: 67.4
Core Ultra 7 155H . MIN: 1.8 AVG: 33.7 MAX: 42.4
Ryzen 7 7840U ..... MIN: 3.4 AVG: 28.2 MAX: 38.7
Core i7 1185G7 .... MIN: 1.1 AVG: 22.8 MAX: 40.8
Xonotic 0.8.6
Resolution: 1920 x 1080 - Effects Quality: Ultimate
Frames Per Second > Higher Is Better
Core i7 1280P ..... 182.54 |==================================
Core Ultra 7 155H . 230.17 |===========================================
Ryzen 7 7840U ..... 271.90 |===================================================
Core i7 1185G7 .... 130.91 |=========================
Xonotic 0.8.6
Resolution: 1920 x 1080 - Effects Quality: Ultimate
Frames Per Second Per Watt > Higher Is Better
Core i7 1280P ..... 4.510 |========================
Core Ultra 7 155H . 6.839 |=====================================
Ryzen 7 7840U ..... 9.615 |====================================================
Core i7 1185G7 .... 5.807 |===============================
Xonotic 0.8.6
CPU Power Consumption Monitor
Watts < Lower Is Better
Core i7 1280P ..... MIN: 5.4 AVG: 40.5 MAX: 66.2
Core Ultra 7 155H . MIN: 1.8 AVG: 33.7 MAX: 43.5
Ryzen 7 7840U ..... MIN: 3.6 AVG: 28.3 MAX: 41.6
Core i7 1185G7 .... MIN: 0.5 AVG: 22.5 MAX: 39.5