Radeon DPM Linux 3.11 Radeon dynamic power management (DPM) benchmarks for Radeon HD 6870, HD 6770, and HD 4890 graphics cards on Linux via the Phoronix Test Suite. Benchmarks by Michael Larabel for a future article on phoronix. Radeon HD 6870: Default: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: Sapphire AMD Radeon HD 6870 1024MB, Audio: Realtek ALC892, Monitor: SyncMaster, Network: Intel Connection I217-V OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: radeon 7.1.99, OpenGL: 3.1 Mesa 9.2.0-devel (git-ee421ae) Gallium 0.4, Compiler: GCC 4.8 + LLVM 3.3, File-System: ext4, Screen Resolution: 2560x1600 Radeon HD 6870: DPM: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: Sapphire AMD Radeon HD 6870 1024MB, Audio: Realtek ALC892, Monitor: SyncMaster, Network: Intel Connection I217-V OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: radeon 7.1.99, OpenGL: 3.1 Mesa 9.2.0-devel (git-ee421ae) Gallium 0.4, Compiler: GCC 4.8 + LLVM 3.3, File-System: ext4, Screen Resolution: 2560x1600 Radeon HD 6770: Default: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: Sapphire AMD Radeon HD 6770 1024MB, Audio: Realtek ALC892, Monitor: SyncMaster, Network: Intel Connection I217-V OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: radeon 7.1.99, OpenGL: 3.1 Mesa 9.2.0-devel (git-ee421ae) Gallium 0.4, Compiler: GCC 4.8 + LLVM 3.3, File-System: ext4, Screen Resolution: 2560x1600 Radeon HD 6770: DPM: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: Sapphire AMD Radeon HD 6770 1024MB, Audio: Realtek ALC892, Monitor: SyncMaster, Network: Intel Connection I217-V OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: radeon 7.1.99, OpenGL: 3.1 Mesa 9.2.0-devel (git-ee421ae) Gallium 0.4, Compiler: GCC 4.8 + LLVM 3.3, File-System: ext4, Screen Resolution: 2560x1600 Radeon HD 4890: Default: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: ASUS AMD Radeon HD 4890 1024MB, Audio: Realtek ALC892, Monitor: SyncMaster, Network: Intel Connection I217-V OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: radeon 7.1.99, OpenGL: 3.1 Mesa 9.2.0-devel (git-ee421ae) Gallium 0.4, Compiler: GCC 4.8 + LLVM 3.3, File-System: ext4, Screen Resolution: 2560x1600 Radeon HD 4890: DPM: Processor: Intel Core i7-4770K @ 3.50GHz (8 Cores), Motherboard: Intel DH87RL, Chipset: Intel 4th Gen Core DRAM, Memory: 16384MB, Disk: 240GB OCZ VERTEX3, Graphics: ASUS AMD Radeon HD 4890 1024MB, Audio: Realtek ALC892, Monitor: SyncMaster, Network: Intel Connection I217-V OS: Ubuntu 13.10, Kernel: 3.11.0-999-generic (x86_64), Desktop: Xfce 4.10, Display Server: X Server 1.14.2, Display Driver: radeon 7.1.99, OpenGL: 3.1 Mesa 9.2.0-devel (git-ee421ae) Gallium 0.4, Compiler: GCC 4.8 + LLVM 3.3, File-System: ext4, Screen Resolution: 2560x1600 Xonotic 0.7 Resolution: 2560 x 1600 - Effects Quality: Low Frames Per Second > Higher Is Better Radeon HD 6870: Default . 271.85 |============================================= Radeon HD 6870: DPM ..... 264.20 |============================================ Radeon HD 6770: Default . 244.49 |======================================== Radeon HD 6770: DPM ..... 244.60 |======================================== Radeon HD 4890: Default . 224.31 |===================================== Radeon HD 4890: DPM ..... 223.97 |===================================== Xonotic 0.7 Resolution: 2560 x 1600 - Effects Quality: Low Frames Per Second Per Watt > Higher Is Better Radeon HD 6870: Default . 1.56 |==================================== Radeon HD 6870: DPM ..... 2.03 |=============================================== Radeon HD 6770: Default . 1.85 |=========================================== Radeon HD 6770: DPM ..... 2.02 |=============================================== Radeon HD 4890: Default . 1.20 |============================ Radeon HD 4890: DPM ..... 1.26 |============================= Xonotic 0.7 GPU Temperature Monitor Celsius < Lower Is Better Radeon HD 6870: Default . MIN: 57.0 AVG: 58.8 MAX: 59.5 Radeon HD 6870: DPM ..... MIN: 49.5 AVG: 52.3 MAX: 54.0 Radeon HD 6770: Default . MIN: 43.0 AVG: 46.5 MAX: 48.0 Radeon HD 6770: DPM ..... MIN: 37.0 AVG: 43.4 MAX: 46.0 Radeon HD 4890: Default . MIN: 54.5 AVG: 65.7 MAX: 70.0 Radeon HD 4890: DPM ..... MIN: 64.5 AVG: 68.8 MAX: 71.0 Xonotic 0.7 System Power Consumption Monitor Watts < Lower Is Better Radeon HD 6870: Default . MIN: 143 AVG: 174 MAX: 198 Radeon HD 6870: DPM ..... MIN: 79 AVG: 130 MAX: 143 Radeon HD 6770: Default . MIN: 92 AVG: 132 MAX: 143 Radeon HD 6770: DPM ..... MIN: 66 AVG: 121 MAX: 136 Radeon HD 4890: Default . MIN: 144 AVG: 187 MAX: 201 Radeon HD 4890: DPM ..... MIN: 107 AVG: 178 MAX: 193 Xonotic 0.7 Resolution: 2560 x 1600 - Effects Quality: Ultra Frames Per Second > Higher Is Better Radeon HD 6870: Default . 89.90 |============================================== Radeon HD 6870: DPM ..... 84.16 |=========================================== Radeon HD 6770: Default . 49.96 |========================== Radeon HD 6770: DPM ..... 49.89 |========================== Radeon HD 4890: Default . 60.76 |=============================== Radeon HD 4890: DPM ..... 60.98 |=============================== Xonotic 0.7 Resolution: 2560 x 1600 - Effects Quality: Ultra Frames Per Second Per Watt > Higher Is Better Radeon HD 6870: Default . 0.51 |========================================= Radeon HD 6870: DPM ..... 0.59 |=============================================== Radeon HD 6770: Default . 0.41 |================================= Radeon HD 6770: DPM ..... 0.44 |=================================== Radeon HD 4890: Default . 0.32 |========================= Radeon HD 4890: DPM ..... 0.33 |========================== Xonotic 0.7 GPU Temperature Monitor Celsius < Lower Is Better Radeon HD 6870: Default . MIN: 56.5 AVG: 60.3 MAX: 61.0 Radeon HD 6870: DPM ..... MIN: 52.5 AVG: 55.7 MAX: 57.0 Radeon HD 6770: Default . MIN: 44.0 AVG: 46.7 MAX: 48.0 Radeon HD 6770: DPM ..... MIN: 39.0 AVG: 45.3 MAX: 46.0 Radeon HD 4890: Default . MIN: 67.5 AVG: 71.7 MAX: 73.0 Radeon HD 4890: DPM ..... MIN: 66.0 AVG: 71.0 MAX: 73.0 Xonotic 0.7 System Power Consumption Monitor Watts < Lower Is Better Radeon HD 6870: Default . MIN: 132 AVG: 178 MAX: 189 Radeon HD 6870: DPM ..... MIN: 80 AVG: 142 MAX: 157 Radeon HD 6770: Default . MIN: 109 AVG: 120 MAX: 124 Radeon HD 6770: DPM ..... MIN: 77 AVG: 113 MAX: 120 Radeon HD 4890: Default . MIN: 162 AVG: 192 MAX: 199 Radeon HD 4890: DPM ..... MIN: 122 AVG: 183 MAX: 194 Unvanquished Alpha 17 Resolution: 2560 x 1600 Frames Per Second > Higher Is Better Radeon HD 6870: Default . 61.57 |============================================== Radeon HD 6870: DPM ..... 59.20 |============================================ Radeon HD 6770: Default . 43.07 |================================ Radeon HD 6770: DPM ..... 41.87 |=============================== Radeon HD 4890: Default . 40.47 |============================== Radeon HD 4890: DPM ..... 38.67 |============================= Unvanquished Alpha 17 Resolution: 2560 x 1600 - Total Frame Time Milliseconds < Lower Is Better Radeon HD 6870: Default . MIN: 6.0 AVG: 15.9 MAX: 55.0 Radeon HD 6870: DPM ..... MIN: 7.0 AVG: 16.9 MAX: 53.0 Radeon HD 6770: Default . MIN: 6.0 AVG: 22.9 MAX: 61.0 Radeon HD 6770: DPM ..... MIN: 7.0 AVG: 23.5 MAX: 55.0 Radeon HD 4890: Default . MIN: 9.0 AVG: 25.1 MAX: 65.0 Radeon HD 4890: DPM ..... MIN: 7.0 AVG: 26.3 MAX: 84.0 Unvanquished Alpha 17 Resolution: 2560 x 1600 Frames Per Second Per Watt > Higher Is Better Radeon HD 6870: Default . 0.38 |==================================== Radeon HD 6870: DPM ..... 0.50 |=============================================== Radeon HD 6770: Default . 0.37 |=================================== Radeon HD 6770: DPM ..... 0.41 |======================================= Radeon HD 4890: Default . 0.23 |====================== Radeon HD 4890: DPM ..... 0.25 |======================== Unvanquished Alpha 17 GPU Temperature Monitor Celsius < Lower Is Better Radeon HD 6870: Default . MIN: 57.0 AVG: 57.8 MAX: 59.0 Radeon HD 6870: DPM ..... MIN: 49.5 AVG: 51.8 MAX: 53.0 Radeon HD 6770: Default . MIN: 44.0 AVG: 44.9 MAX: 46.0 Radeon HD 6770: DPM ..... MIN: 39.0 AVG: 41.7 MAX: 43.0 Radeon HD 4890: Default . MIN: 68.5 AVG: 69.2 MAX: 70.5 Radeon HD 4890: DPM ..... MIN: 62.5 AVG: 66.0 MAX: 67.5 Unvanquished Alpha 17 System Power Consumption Monitor Watts < Lower Is Better Radeon HD 6870: Default . MIN: 141 AVG: 161 MAX: 170 Radeon HD 6870: DPM ..... MIN: 82 AVG: 118 MAX: 132 Radeon HD 6770: Default . MIN: 106 AVG: 117 MAX: 122 Radeon HD 6770: DPM ..... MIN: 74 AVG: 101 MAX: 111 Radeon HD 4890: Default . MIN: 154 AVG: 173 MAX: 185 Radeon HD 4890: DPM ..... MIN: 116 AVG: 153 MAX: 166 GpuTest 0.5.0 Test: Furmark - Resolution: 2560 x 1600 Points > Higher Is Better Radeon HD 6870: Default . 709 |================================================ Radeon HD 6870: DPM ..... 656 |============================================ Radeon HD 6770: Default . 385 |========================== Radeon HD 6770: DPM ..... 385 |========================== Radeon HD 4890: Default . 369 |========================= Radeon HD 4890: DPM ..... 370 |========================= GpuTest 0.5.0 Test: Furmark - Resolution: 2560 x 1600 Points Per Watt > Higher Is Better Radeon HD 6870: Default . 3.42 |========================================== Radeon HD 6870: DPM ..... 3.84 |=============================================== Radeon HD 6770: Default . 2.78 |================================== Radeon HD 6770: DPM ..... 2.92 |==================================== Radeon HD 4890: Default . 1.74 |===================== Radeon HD 4890: DPM ..... 1.77 |====================== GpuTest 0.5.0 GPU Temperature Monitor Celsius < Lower Is Better Radeon HD 6870: Default . MIN: 59.5 AVG: 64.2 MAX: 66.0 Radeon HD 6870: DPM ..... MIN: 56.5 AVG: 59.3 MAX: 60.5 Radeon HD 6770: Default . MIN: 46.0 AVG: 49.3 MAX: 51.0 Radeon HD 6770: DPM ..... MIN: 43.0 AVG: 47.9 MAX: 49.0 Radeon HD 4890: Default . MIN: 72.0 AVG: 75.1 MAX: 76.5 Radeon HD 4890: DPM ..... MIN: 70.0 AVG: 74.9 MAX: 76.5 GpuTest 0.5.0 System Power Consumption Monitor Watts < Lower Is Better Radeon HD 6870: Default . MIN: 169 AVG: 207 MAX: 210 Radeon HD 6870: DPM ..... MIN: 108 AVG: 171 MAX: 175 Radeon HD 6770: Default . MIN: 137 AVG: 138 MAX: 139 Radeon HD 6770: DPM ..... MIN: 129 AVG: 132 MAX: 133 Radeon HD 4890: Default . MIN: 146 AVG: 212 MAX: 218 Radeon HD 4890: DPM ..... MIN: 206 AVG: 209 MAX: 211 GpuTest 0.5.0 Test: Pixmark Piano - Resolution: 2560 x 1600 Points > Higher Is Better Radeon HD 6870: Default . 53181 |============================================== Radeon HD 6870: DPM ..... 49448 |=========================================== Radeon HD 6770: Default . 19734 |================= Radeon HD 6770: DPM ..... 19730 |================= Radeon HD 4890: Default . 14620 |============= Radeon HD 4890: DPM ..... 14661 |============= GpuTest 0.5.0 Test: Pixmark Piano - Resolution: 2560 x 1600 Points Per Watt > Higher Is Better Radeon HD 6870: Default . 331.66 |======================================== Radeon HD 6870: DPM ..... 376.52 |============================================= Radeon HD 6770: Default . 186.74 |====================== Radeon HD 6770: DPM ..... 195.09 |======================= Radeon HD 4890: Default . 94.39 |=========== Radeon HD 4890: DPM ..... 98.45 |============ GpuTest 0.5.0 GPU Temperature Monitor Celsius < Lower Is Better Radeon HD 6870: Default . MIN: 58.0 AVG: 59.4 MAX: 60.0 Radeon HD 6870: DPM ..... MIN: 52.5 AVG: 55.2 MAX: 56.0 Radeon HD 6770: Default . MIN: 44.0 AVG: 44.9 MAX: 45.0 Radeon HD 6770: DPM ..... MIN: 42.0 AVG: 43.2 MAX: 44.0 Radeon HD 4890: Default . MIN: 67.5 AVG: 68.6 MAX: 70.5 Radeon HD 4890: DPM ..... MIN: 62.5 AVG: 67.4 MAX: 68.5 GpuTest 0.5.0 System Power Consumption Monitor Watts < Lower Is Better Radeon HD 6870: Default . MIN: 143 AVG: 160 MAX: 166 Radeon HD 6870: DPM ..... MIN: 79 AVG: 131 MAX: 139 Radeon HD 6770: Default . MIN: 101 AVG: 106 MAX: 108 Radeon HD 6770: DPM ..... MIN: 78 AVG: 101 MAX: 103 Radeon HD 4890: Default . MIN: 145 AVG: 155 MAX: 159 Radeon HD 4890: DPM ..... MIN: 108 AVG: 149 MAX: 154 GpuTest 0.5.0 Test: Plot3D - Resolution: 2560 x 1600 Points > Higher Is Better Radeon HD 6870: Default . 13595 |============================================== Radeon HD 6870: DPM ..... 12655 |=========================================== Radeon HD 6770: Default . 5443 |================== Radeon HD 6770: DPM ..... 5385 |================== Radeon HD 4890: Default . 5157 |================= Radeon HD 4890: DPM ..... 5171 |================= GpuTest 0.5.0 Test: Plot3D - Resolution: 2560 x 1600 Points Per Watt > Higher Is Better Radeon HD 6870: Default . 91.10 |======================================== Radeon HD 6870: DPM ..... 102.10 |============================================= Radeon HD 6770: Default . 52.78 |======================= Radeon HD 6770: DPM ..... 54.68 |======================== Radeon HD 4890: Default . 32.78 |============== Radeon HD 4890: DPM ..... 33.72 |=============== GpuTest 0.5.0 GPU Temperature Monitor Celsius < Lower Is Better Radeon HD 6870: Default . MIN: 57.5 AVG: 58.4 MAX: 59.0 Radeon HD 6870: DPM ..... MIN: 52.0 AVG: 54.3 MAX: 55.0 Radeon HD 6770: Default . MIN: 44.0 AVG: 44.8 MAX: 45.0 Radeon HD 6770: DPM ..... MIN: 41.0 AVG: 42.9 MAX: 44.0 Radeon HD 4890: Default . MIN: 67.5 AVG: 68.3 MAX: 69.0 Radeon HD 4890: DPM ..... MIN: 66.0 AVG: 67.8 MAX: 69.0 GpuTest 0.5.0 System Power Consumption Monitor Watts < Lower Is Better Radeon HD 6870: Default . MIN: 134 AVG: 149 MAX: 152 Radeon HD 6870: DPM ..... MIN: 122 AVG: 124 MAX: 125 Radeon HD 6770: Default . MIN: 99 AVG: 103 MAX: 104 Radeon HD 6770: DPM ..... MIN: 98 AVG: 98 MAX: 99 Radeon HD 4890: Default . MIN: 154 AVG: 157 MAX: 159 Radeon HD 4890: DPM ..... MIN: 143 AVG: 153 MAX: 155 OpenArena 0.8.8 Resolution: 2560 x 1600 Frames Per Second > Higher Is Better Radeon HD 6870: Default . 105.53 |============================================= Radeon HD 6870: DPM ..... 97.57 |========================================== Radeon HD 6770: Default . 57.80 |========================= Radeon HD 6770: DPM ..... 57.60 |========================= Radeon HD 4890: Default . 50.73 |====================== Radeon HD 4890: DPM ..... 50.67 |====================== OpenArena 0.8.8 Resolution: 2560 x 1600 - Total Frame Time Milliseconds < Lower Is Better Radeon HD 6870: Default . MIN: 5.0 AVG: 9.4 MAX: 45.0 Radeon HD 6870: DPM ..... MIN: 6.0 AVG: 10.1 MAX: 50.0 Radeon HD 6770: Default . MIN: 10.0 AVG: 17.3 MAX: 48.0 Radeon HD 6770: DPM ..... MIN: 10.0 AVG: 17.3 MAX: 52.0 Radeon HD 4890: Default . MIN: 12.0 AVG: 19.6 MAX: 48.0 Radeon HD 4890: DPM ..... MIN: 12.0 AVG: 19.7 MAX: 56.0 OpenArena 0.8.8 Resolution: 2560 x 1600 Frames Per Second Per Watt > Higher Is Better Radeon HD 6870: Default . 0.55 |======================================== Radeon HD 6870: DPM ..... 0.65 |=============================================== Radeon HD 6770: Default . 0.45 |================================= Radeon HD 6770: DPM ..... 0.47 |================================== Radeon HD 4890: Default . 0.27 |==================== Radeon HD 4890: DPM ..... 0.28 |==================== OpenArena 0.8.8 GPU Temperature Monitor Celsius < Lower Is Better Radeon HD 6870: Default . MIN: 59.0 AVG: 61.3 MAX: 63.0 Radeon HD 6870: DPM ..... MIN: 56.0 AVG: 57.1 MAX: 58.0 Radeon HD 6770: Default . MIN: 45.0 AVG: 46.8 MAX: 48.0 Radeon HD 6770: DPM ..... MIN: 42.0 AVG: 45.6 MAX: 47.0 Radeon HD 4890: Default . MIN: 68.5 AVG: 70.9 MAX: 72.0 Radeon HD 4890: DPM ..... MIN: 66.5 AVG: 69.9 MAX: 71.5 OpenArena 0.8.8 System Power Consumption Monitor Watts < Lower Is Better Radeon HD 6870: Default . MIN: 151 AVG: 192 MAX: 204 Radeon HD 6870: DPM ..... MIN: 80 AVG: 149 MAX: 167 Radeon HD 6770: Default . MIN: 92 AVG: 128 MAX: 133 Radeon HD 6770: DPM ..... MIN: 71 AVG: 123 MAX: 127 Radeon HD 4890: Default . MIN: 164 AVG: 189 MAX: 192 Radeon HD 4890: DPM ..... MIN: 125 AVG: 182 MAX: 188 OpenArena 0.8.5 Resolution: 800 x 600 Frames Per Second > Higher Is Better Radeon HD 6870: Default . 454.73 |============================================ Radeon HD 6870: DPM ..... 449.17 |=========================================== Radeon HD 6770: Default . 452.30 |============================================ Radeon HD 6770: DPM ..... 458.90 |============================================ Radeon HD 4890: Default . 457.37 |============================================ Radeon HD 4890: DPM ..... 464.77 |============================================= OpenArena 0.8.5 Resolution: 800 x 600 Frames Per Second Per Watt > Higher Is Better Radeon HD 6870: Default . 3.11 |=============================== Radeon HD 6870: DPM ..... 4.44 |============================================ Radeon HD 6770: DPM ..... 4.71 |=============================================== Radeon HD 4890: Default . 2.79 |============================ Radeon HD 4890: DPM ..... 3.47 |=================================== OpenArena 0.8.5 GPU Temperature Monitor Celsius < Lower Is Better Radeon HD 6870: Default . MIN: 56.5 AVG: 56.8 MAX: 57.0 Radeon HD 6870: DPM ..... MIN: 49.0 AVG: 49.5 MAX: 50.0 Radeon HD 6770: DPM ..... MIN: 39.0 AVG: 39.5 MAX: 40.0 Radeon HD 4890: Default . MIN: 68.0 AVG: 68.5 MAX: 69.0 Radeon HD 4890: DPM ..... MIN: 62.5 AVG: 63.8 MAX: 65.0 OpenArena 0.8.5 System Power Consumption Monitor Watts < Lower Is Better Radeon HD 6870: Default . MIN: 132 AVG: 146 MAX: 156 Radeon HD 6870: DPM ..... MIN: 93 AVG: 101 MAX: 108 Radeon HD 6770: DPM ..... MIN: 87 AVG: 97 MAX: 102 Radeon HD 4890: Default . MIN: 146 AVG: 164 MAX: 175 Radeon HD 4890: DPM ..... MIN: 104 AVG: 134 MAX: 148 GPU Temperature Monitor Phoronix Test Suite System Monitoring Celsius Radeon HD 6870: Default . MIN: 55.5 AVG: 59.7 MAX: 66.0 Radeon HD 6870: DPM ..... MIN: 42.0 AVG: 54.5 MAX: 60.5 Radeon HD 6770: Default . MIN: 41.0 AVG: 46.1 MAX: 51.0 Radeon HD 6770: DPM ..... MIN: 32.0 AVG: 44.0 MAX: 49.0 Radeon HD 4890: Default . MIN: 48.5 AVG: 70.1 MAX: 76.5 Radeon HD 4890: DPM ..... MIN: 59.0 AVG: 69.0 MAX: 76.5 System Power Consumption Monitor Phoronix Test Suite System Monitoring Watts Radeon HD 6870: Default . MIN: 129 AVG: 169 MAX: 210 Radeon HD 6870: DPM ..... MIN: 49 AVG: 131 MAX: 175 Radeon HD 6770: Default . MIN: 90 AVG: 117 MAX: 143 Radeon HD 6770: DPM ..... MIN: 47 AVG: 107 MAX: 136 Radeon HD 4890: Default . MIN: 137 AVG: 180 MAX: 218 Radeon HD 4890: DPM ..... MIN: 94 AVG: 166 MAX: 211