AMD Radeon HD 8670M
The AMD Radeon HD 8670M (sometimes known as the ATI Mobility Radeon HD 8670) is a DirectX 11.1 graphics card for laptops. Just like the 8500M and 8700M series, it is based on the Mars chip (28nm GCN architecture) with 384 shader cores, 24 TMUs, and 8 ROPs. The core is clocked at 775 MHz (825 MHz Boost) and can access a DDR3 VRAM (64 Bit, 1000 MHz).
The performance of the Radeon HD 8670M is similar to the old Radeon HD 6750M and GeForce GT 630M. Current and demanding games like Far Cry 3 will run fluently only in low resolutions and detail settings.
The 384 shaders can be used with OpenCL 1.2 for general-purpose calculations (as 6 compute units). Compared to old TeraScale 2 chips, the GCN-based Mars architecture offers improved performance in this framework.
Features of the 8670M include video decoding via UVD3 for decoding MPEG-4 AVC/H.264, VC-1, MPEG-2, and Flash directly from the AMD GPU. Multi-View Codec (MVC) and MPEG-4 part 2 (DivX, xVid) HD videos are now compatible as well.
The 8600M series also supports automatic graphics switching between the integrated GPU and discrete GPU. Called Enduro, the technology supersedes AMD's Dynamic Switchable Graphics and is similar to Nvidia's Optimus. Furthermore, the 8670M can directly support up to 2 connected monitors using Eyefinity Technology if Enduro is disabled.
Other features of the 8600M series include ZeroCore for reducing power consumption when the display is turned off and Power Gating to power down areas of the chip that are not used. PowerTune allows automatic overclocking and underclocking of the graphics card as long as the GPU is within its TDP limit. For example, the chip may be underclocked when running FurMark and OCCT, but will overclock in certain games like Lost Planet, Crysis or Resident Evil 5.
The integrated HD audio processor is able to transmit HD Audio (TrueHD or DTS Master Audio) over HDMI and DisplayPort (e.g., for Blu-Ray videos). Additionally, it now allows audio to output simultaneously and in parallel to multiple devices with the new Discrete Digital Multipoint Audio (DDMA) feature.
The power consumption should be somewhat below that of the old HD 7670M. As a result, the 8670M is suited for 13-inch notebooks or larger.
| Manufacturer | AMD |
| Radeon HD 8600M Series | |
| Architecture | GCN |
| Pipelines | 384 - unified |
| Core Speed | 775 MHz |
| Memory Speed | 2000 MHz |
| Memory Bus Width | 64 Bit |
| Memory Type | DDR3 |
| Max. Amount of Memory | 1024 MB |
| Shared Memory | no |
| DirectX | DirectX 11.1, Shader 5.0 |
| technology | 28 nm |
| Notebook Size | medium sized |
| Date of Announcement | 16.11.2012 |
Benchmarks
Performance Rating - 3DMark 11 + Fire Strike + Time Spy
4.7 pt (5%)
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3DMark - Cloud Gate Standard Score 1280x720
min: 3702 avg: 4026 median: 3977 (6%) max: 4414 Points
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ATI Radeon HD 4850 7%
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3DMark - Cloud Gate Standard Graphics 1280x720
min: 4039 avg: 4685 median: 4840 (2%) max: 5420 Points
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3DMark - Fire Strike Score 1920x1080
min: 673 avg: 747 median: 767 (3%) max: 811 Points
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3DMark - Fire Strike Graphics 1920x1080
min: 719 avg: 804 median: 829 (2%) max: 875 Points
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3DMark - Ice Storm Standard Graphics 1280x720
min: 31480 avg: 42578 median: 40486 (5%) max: 58277 Points
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3DMark 11 - Performance 1280x720
min: 1195 avg: 1409 median: 1513 (4%) max: 1542 points
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3DMark 11 - Performance GPU 1280x720
min: 1070 avg: 1286 median: 1396 (3%) max: 1413 points
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3DMark Vantage
P Result 1280x1024 +3DMark Vantage - P Result 1280x1024
min: 4033 avg: 4293 median: 4077 (5%) max: 4769 Points
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P GPU no PhysX 1280x1024 +3DMark Vantage - P GPU no PhysX 1280x1024
min: 3359 avg: 3647 median: 3410 (4%) max: 4173 Points
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3DMark 06 Standard 1280x1024 +min: 4642 avg: 4790 median: 4670 (10%) max: 5057 Points
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Unigine Heaven 3.0 - DX 11, Normal Tessellation, High Shaders 1920x1080
min: 9 avg: 9.4 median: 9.4 (3%) max: 9.8 fps
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Unigine Heaven 3.0 - OpenGL, Normal Tessellation, High Shaders 1920x1080
min: 7.4 avg: 7.6 median: 7.6 (3%) max: 7.7 fps
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Unigine Heaven 2.1 - high, Tesselation (normal), DirectX11 1280x1024
min: 12.5 avg: 12.7 median: 12.7 (2%) max: 12.9 fps
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SPECviewperf 11
Siemens NX 1920x1080 +SPECviewperf 11 - Siemens NX 1920x1080
min: 6.76 avg: 7.2 median: 7.2 (5%) max: 7.57 fps
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ATI Radeon HD 5770 19%
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Tcvis 1920x1080 +SPECviewperf 11 - Tcvis 1920x1080
min: 3.01 avg: 4 median: 4 (7%) max: 5.02 fps
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ATI Radeon HD 5850 -11%
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SolidWorks 1920x1080 +SPECviewperf 11 - SolidWorks 1920x1080
min: 12.01 avg: 15.1 median: 15.1 (18%) max: 18.17 fps
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NVIDIA GeForce GTX 580 0%
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Pro/ENGINEER 1920x1080 +SPECviewperf 11 - Pro/ENGINEER 1920x1080
min: 2.51 avg: 2.7 median: 2.7 (11%) max: 2.95 fps
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ATI Radeon HD 5770 -5%
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Maya 1920x1080 +SPECviewperf 11 - Maya 1920x1080
min: 6.4 avg: 8.3 median: 8.3 (6%) max: 10.19 fps
NVIDIA GeForce GTX 580 -82%
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Lightwave 1920x1080 +SPECviewperf 11 - Lightwave 1920x1080
min: 13.21 avg: 16.9 median: 16.9 (18%) max: 20.49 fps
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ATI Radeon HD 5850 8%
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Ensight 1920x1080 +SPECviewperf 11 - Ensight 1920x1080
min: 8.79 avg: 10.9 median: 10.9 (5%) max: 13.01 fps
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Catia 1920x1080 +SPECviewperf 11 - Catia 1920x1080
min: 4.71 avg: 5.3 median: 5.3 (6%) max: 5.84 fps
ATI Radeon HD 5850 -1%
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Windows 7 Experience Index - Gaming graphics
6.4 points (81%)
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Windows 7 Experience Index - Graphics
5.1 points (65%)
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Cinebench R10 Shading 32Bit +Cinebench R10 - Shading 32Bit
min: 5030 avg: 5895 median: 6007.5 (30%) max: 6535 Points
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Cinebench R11.5 OpenGL 64Bit +Cinebench R11.5 - OpenGL 64Bit
min: 21.14 avg: 23 median: 22 (12%) max: 27.34 Points
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Cinebench R15
OpenGL 64Bit +Cinebench R15 - OpenGL 64Bit
min: 30.76 avg: 64.4 median: 64.4 (26%) max: 98 Points
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Ref. Match 64Bit +Cinebench R15 - Ref. Match 64Bit
min: 26.28 avg: 62.1 median: 62.1 (62%) max: 98 Points
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LuxMark v2.0 64Bit - Room GPUs-only
min: 147 avg: 149 median: 148.5 (3%) max: 150 Samples/s
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LuxMark v2.0 64Bit - Sala GPUs-only
min: 244 avg: 247 median: 247 (2%) max: 250 Samples/s
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- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
Game Benchmarks
The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings med..
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings med..
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings med..
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» The benchmarks indicate that the game is not playable in the tested settings.
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» With all tested laptops playable in detail settings low.
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