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
4.2 pt (4%)
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3DMark - 3DMark Cloud Gate Score
min: 3702 avg: 4026 median: 3977 (5%) max: 4414 Points
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ATI Radeon HD 4850 7%
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3DMark - 3DMark Cloud Gate Graphics
min: 4039 avg: 4685 median: 4840 (2%) max: 5420 Points
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3DMark - 3DMark Fire Strike Standard Score
min: 673 avg: 747 median: 767 (2%) max: 811 Points
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3DMark - 3DMark Fire Strike Standard Graphics
min: 719 avg: 804 median: 829 (2%) max: 875 Points
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3DMark - 3DMark Ice Storm Graphics
min: 31480 avg: 42578 median: 40486 (5%) max: 58277 Points
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3DMark 11 - 3DM11 Performance Score
min: 1195 avg: 1409 median: 1513 (4%) max: 1542 Points
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3DMark 11 - 3DM11 Performance GPU
min: 1070 avg: 1286 median: 1396 (2%) max: 1413 Points
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3DMark Vantage
3DM Vant. Perf. total +3DMark Vantage - 3DM Vant. Perf. total
min: 4033 avg: 4293 median: 4077 (4%) max: 4769 Points
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3DM Vant. Perf. GPU no PhysX +3DMark Vantage - 3DM Vant. Perf. GPU no PhysX
min: 3359 avg: 3647 median: 3410 (3%) max: 4173 Points
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3DMark 06 3DMark 06 - Standard 1280x1024 +min: 4642 avg: 4790 median: 4670 (9%) max: 5057 Points
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AMD Radeon RX 6700 XT 887%
Unigine Heaven 3.0 - Unigine Heaven 3.0 DX 11
min: 9 avg: 9.4 median: 9.4 (3%) max: 9.8 fps
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Unigine Heaven 3.0 - Unigine Heaven 3.0 OpenGL
min: 7.4 avg: 7.6 median: 7.6 (3%) max: 7.7 fps
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Unigine Heaven 2.1 - Heaven 2.1 high
min: 12.5 avg: 12.7 median: 12.7 (2%) max: 12.9 fps
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SPECviewperf 11
specvp11 snx-01 +SPECviewperf 11 - specvp11 snx-01
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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specvp11 tcvis-02 +SPECviewperf 11 - specvp11 tcvis-02
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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specvp11 sw-02 +SPECviewperf 11 - specvp11 sw-02
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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specvp11 proe-05 +SPECviewperf 11 - specvp11 proe-05
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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specvp11 maya-03 +SPECviewperf 11 - specvp11 maya-03
min: 6.4 avg: 8.3 median: 8.3 (6%) max: 10.19 fps
NVIDIA GeForce GTX 580 -82%
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specvp11 lightwave-01 +SPECviewperf 11 - specvp11 lightwave-01
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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specvp11 ensight-04 +SPECviewperf 11 - specvp11 ensight-04
min: 8.79 avg: 10.9 median: 10.9 (5%) max: 13.01 fps
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specvp11 catia-03 +SPECviewperf 11 - specvp11 catia-03
min: 4.71 avg: 5.3 median: 5.3 (6%) max: 5.84 fps
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ATI Radeon HD 5850 -1%
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Windows 7 Experience Index - Win7 Gaming graphics
6.4 Points (81%)
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Windows 7 Experience Index - Win7 Graphics
5.1 Points (65%)
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Cinebench R10 Cinebench R10 Shading (32bit) +Cinebench R10 - Cinebench R10 Shading (32bit)
min: 5030 avg: 5895 median: 6007.5 (28%) max: 6535 points
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Cinebench R11.5 Cinebench R11.5 OpenGL 64 Bit +Cinebench R11.5 - Cinebench R11.5 OpenGL 64 Bit
min: 21.14 avg: 23 median: 22 (9%) max: 27.34 fps
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Cinebench R15
Cinebench R15 OpenGL 64 Bit +Cinebench R15 - Cinebench R15 OpenGL 64 Bit
min: 30.76 avg: 64.4 median: 64.4 (18%) max: 98 fps
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Cinebench R15 OpenGL Ref. Match 64 Bit +Cinebench R15 - Cinebench R15 OpenGL Ref. Match 64 Bit
min: 26.28 avg: 62.1 median: 62.1 (62%) max: 98 %
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LuxMark v2.0 64Bit - LuxMark v2.0 Room GPU
min: 147 avg: 149 median: 148.5 (2%) max: 150 Samples/s
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LuxMark v2.0 64Bit - LuxMark v2.0 Sala GPU
min: 244 avg: 247 median: 247 (1%) 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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