OpenCL Radeon Open-Source vs. Catalyst
Radeon R600g and RadeonSI Gallium3D Clover OpenCL benchmarks with clpeak using Linux 4.5 + Mesa 11.2-devel. Compared to Catalyst. Benchmark results by Michael Larabel of Phoronix.com for a future article.


Open-Source: HD 6870: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: Sapphire AMD Radeon HD 6870 1024MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.5.0-rc2amdgpu-pp+ (x86_64) 20160201, Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.6.99, OpenGL: 3.3 Mesa 11.2.0-devel (padoka PPA) Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160

Open-Source: HD 7950: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: XFX AMD Radeon HD 7950/8950 OEM / R9 280 3072MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.5.0-rc2amdgpu-pp+ (x86_64) 20160201, Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.6.99, OpenGL: 4.1 Mesa 11.2.0-devel (padoka PPA) Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160

Open-Source: R9 285: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: XFX AMD Radeon R9 285/380 2048MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.5.0-rc2amdgpu-pp+ (x86_64) 20160201, Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: amdgpu 1.0.99, OpenGL: 4.1 Mesa 11.2.0-devel (padoka PPA) Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160

Open-Source: R9 290: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: XFX AMD Radeon R9 290 4096MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.5.0-rc2amdgpu-pp+ (x86_64) 20160201, Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.6.99, OpenGL: 4.1 Mesa 11.2.0-devel (padoka PPA) Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160

Open-Source: R7 370: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: MSI AMD Radeon R7 370 / R9 270/370 OEM 4096MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.5.0-rc2amdgpu-pp+ (x86_64) 20160201, Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: radeon 7.6.99, OpenGL: 4.1 Mesa 11.2.0-devel (padoka PPA) Gallium 0.4, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160

Catalyst: HD 6870: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: Sapphire AMD Radeon HD 6800 1024MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.2.0-27-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: fglrx 15.20.3, OpenGL: 4.5.13399, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160

Catalyst: HD 7950: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: XFX AMD Radeon HD 7900 3072MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.2.0-27-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: fglrx 15.20.3, OpenGL: 4.5.13399, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160

Catalyst: R9 285: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: Supported device 6939 2048MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.2.0-27-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: fglrx 15.20.3, OpenGL: 4.5.13399, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160

Catalyst: R9 290: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: Supported device 67B1 4096MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.2.0-27-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: fglrx 15.20.3, OpenGL: 4.5.13399, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160

Catalyst: R7 370: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Xeon E7 v3/Xeon, Memory: 16384MB, Disk: 2 x 120GB SanDisk SDSSDA12 + 120GB Samsung SSD 850, Graphics: MSI AMD Radeon R7 370 4096MB, Audio: Realtek ALC1150, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 15.10, Kernel: 4.2.0-27-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: fglrx 15.20.3, OpenGL: 4.5.13399, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 3840x2160


clpeak
OpenCL Test: Kernel Latency
us < Lower Is Better
Open-Source: HD 6870 . 145.85 |================================================
Open-Source: HD 7950 . 105.54 |===================================
Open-Source: R9 285 .. 143.39 |===============================================
Open-Source: R9 290 .. 118.71 |=======================================
Open-Source: R7 370 .. 110.24 |====================================
Catalyst: HD 6870 .... 24.90  |========
Catalyst: HD 7950 .... 34.03  |===========
Catalyst: R9 285 ..... 26.78  |=========
Catalyst: R9 290 ..... 37.77  |============
Catalyst: R7 370 ..... 35.42  |============


clpeak
OpenCL Test: Integer Compute INT
GIOPS > Higher Is Better
Open-Source: HD 6870 . 182.44  |=====
Open-Source: HD 7950 . 491.62  |===============
Open-Source: R9 285 .. 650.80  |===================
Open-Source: R9 290 .. 1578.01 |===============================================
Open-Source: R7 370 .. 418.74  |============
Catalyst: HD 6870 .... 199.38  |======
Catalyst: HD 7950 .... 516.74  |===============
Catalyst: R9 285 ..... 647.08  |===================
Catalyst: R9 290 ..... 1591.74 |===============================================
Catalyst: R7 370 ..... 415.67  |============


clpeak
OpenCL Test: Single-Precision Float
GFLOPS > Higher Is Better
Open-Source: HD 6870 . 360.92  |====
Open-Source: HD 7950 . 2345.12 |=======================
Open-Source: R9 285 .. 3102.60 |===============================
Open-Source: R9 290 .. 4608.55 |==============================================
Open-Source: R7 370 .. 2031.91 |====================
Catalyst: HD 6870 .... 398.29  |====
Catalyst: HD 7950 .... 2292.54 |=======================
Catalyst: R9 285 ..... 3177.62 |================================
Catalyst: R9 290 ..... 4721.18 |===============================================
Catalyst: R7 370 ..... 2095.91 |=====================


clpeak
OpenCL Test: Double-Precision Double
GFLOPS > Higher Is Better
Open-Source: HD 7950 . 547.03 |============================================
Open-Source: R9 285 .. 204.75 |================
Open-Source: R9 290 .. 596.55 |================================================
Open-Source: R7 370 .. 131.49 |===========
Catalyst: HD 7950 .... 536.84 |===========================================
Catalyst: R9 285 ..... 202.71 |================
Catalyst: R9 290 ..... 598.81 |================================================
Catalyst: R7 370 ..... 128.73 |==========


clpeak
OpenCL Test: Transfer Bandwidth enqueueReadBuffer
GBPS > Higher Is Better
Open-Source: HD 6870 . 3.58  |================
Open-Source: HD 7950 . 10.40 |================================================
Open-Source: R9 285 .. 10.09 |==============================================
Open-Source: R9 290 .. 9.82  |=============================================
Open-Source: R7 370 .. 10.41 |================================================
Catalyst: HD 6870 .... 8.80  |========================================
Catalyst: HD 7950 .... 10.47 |================================================
Catalyst: R9 285 ..... 9.00  |=========================================
Catalyst: R9 290 ..... 10.64 |=================================================
Catalyst: R7 370 ..... 10.67 |=================================================


clpeak
OpenCL Test: Transfer Bandwidth enqueueWriteBuffer
GBPS > Higher Is Better
Open-Source: HD 6870 . 5.26  |================
Open-Source: HD 7950 . 15.72 |=================================================
Open-Source: R9 285 .. 14.82 |==============================================
Open-Source: R9 290 .. 12.32 |======================================
Open-Source: R7 370 .. 15.77 |=================================================
Catalyst: HD 6870 .... 9.49  |=============================
Catalyst: HD 7950 .... 13.88 |===========================================
Catalyst: R9 285 ..... 13.21 |=========================================
Catalyst: R9 290 ..... 14.81 |==============================================
Catalyst: R7 370 ..... 14.97 |===============================================