AMD Radeon HD 8790M vs AMD Radeon HD 6790
Comparative analysis of AMD Radeon HD 8790M and AMD Radeon HD 6790 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.
Differences
Reasons to consider the AMD Radeon HD 8790M
- Videocard is newer: launch date 1 year(s) 11 month(s) later
- Around 1% higher core clock speed: 850 MHz vs 840 MHz
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
- 2x more maximum memory size: 2 GB vs 1 GB
- 2x better performance in PassMark - G2D Mark: 751 vs 373
- Around 4% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 12.759 vs 12.318
- Around 28% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.576 vs 1.234
Specifications (specs) | |
Launch date | 1 April 2013 vs 4 April 2011 |
Core clock speed | 850 MHz vs 840 MHz |
Manufacturing process technology | 28 nm vs 40 nm |
Maximum memory size | 2 GB vs 1 GB |
Benchmarks | |
PassMark - G2D Mark | 751 vs 373 |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 12.759 vs 12.318 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.576 vs 1.234 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 28.839 vs 28.768 |
Reasons to consider the AMD Radeon HD 6790
- Around 56% higher texture fill rate: 33.6 GTexel / s vs 21.6 GTexel / s
- 2.1x more pipelines: 800 vs 384
- Around 94% better floating-point performance: 1,344.0 gflops vs 691.2 gflops
- Around 5% higher memory clock speed: 4200 MHz vs 4000 MHz
- Around 24% better performance in PassMark - G3D Mark: 1619 vs 1306
- Around 61% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 750.421 vs 465.631
- Around 51% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 121.423 vs 80.418
- Around 43% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 3127 vs 2181
- Around 33% better performance in GFXBench 4.0 - Manhattan (Frames): 3534 vs 2656
- Around 66% better performance in GFXBench 4.0 - T-Rex (Frames): 3350 vs 2014
- Around 43% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 3127 vs 2181
- Around 33% better performance in GFXBench 4.0 - Manhattan (Fps): 3534 vs 2656
- Around 66% better performance in GFXBench 4.0 - T-Rex (Fps): 3350 vs 2014
Specifications (specs) | |
Texture fill rate | 33.6 GTexel / s vs 21.6 GTexel / s |
Pipelines | 800 vs 384 |
Floating-point performance | 1,344.0 gflops vs 691.2 gflops |
Memory clock speed | 4200 MHz vs 4000 MHz |
Benchmarks | |
PassMark - G3D Mark | 1619 vs 1306 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 750.421 vs 465.631 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 121.423 vs 80.418 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 3127 vs 2181 |
GFXBench 4.0 - Manhattan (Frames) | 3534 vs 2656 |
GFXBench 4.0 - T-Rex (Frames) | 3350 vs 2014 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 3127 vs 2181 |
GFXBench 4.0 - Manhattan (Fps) | 3534 vs 2656 |
GFXBench 4.0 - T-Rex (Fps) | 3350 vs 2014 |
Compare benchmarks
GPU 1: AMD Radeon HD 8790M
GPU 2: AMD Radeon HD 6790
PassMark - G3D Mark |
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PassMark - G2D Mark |
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CompuBench 1.5 Desktop - Face Detection (mPixels/s) |
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CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) |
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CompuBench 1.5 Desktop - T-Rex (Frames/s) |
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CompuBench 1.5 Desktop - Video Composition (Frames/s) |
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CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) |
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GFXBench 4.0 - Car Chase Offscreen (Frames) |
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GFXBench 4.0 - Manhattan (Frames) |
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GFXBench 4.0 - T-Rex (Frames) |
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GFXBench 4.0 - Car Chase Offscreen (Fps) |
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GFXBench 4.0 - Manhattan (Fps) |
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GFXBench 4.0 - T-Rex (Fps) |
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Name | AMD Radeon HD 8790M | AMD Radeon HD 6790 |
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PassMark - G3D Mark | 1306 | 1619 |
PassMark - G2D Mark | 751 | 373 |
Geekbench - OpenCL | 4804 | |
CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 12.759 | 12.318 |
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 465.631 | 750.421 |
CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.576 | 1.234 |
CompuBench 1.5 Desktop - Video Composition (Frames/s) | 28.839 | 28.768 |
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 80.418 | 121.423 |
GFXBench 4.0 - Car Chase Offscreen (Frames) | 2181 | 3127 |
GFXBench 4.0 - Manhattan (Frames) | 2656 | 3534 |
GFXBench 4.0 - T-Rex (Frames) | 2014 | 3350 |
GFXBench 4.0 - Car Chase Offscreen (Fps) | 2181 | 3127 |
GFXBench 4.0 - Manhattan (Fps) | 2656 | 3534 |
GFXBench 4.0 - T-Rex (Fps) | 2014 | 3350 |
3DMark Fire Strike - Graphics Score | 1607 |
Compare specifications (specs)
AMD Radeon HD 8790M | AMD Radeon HD 6790 | |
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Essentials |
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Architecture | GCN 1.0 | TeraScale 2 |
Code name | Mars | Barts |
Design | AMD Radeon HD 8000M Series | |
Launch date | 1 April 2013 | 4 April 2011 |
Place in performance rating | 862 | 863 |
Type | Desktop | Desktop |
Launch price (MSRP) | $149 | |
Price now | $64.99 | |
Value for money (0-100) | 39.40 | |
Technical info |
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Boost clock speed | 850 MHz | |
Compute units | 6 | |
Core clock speed | 850 MHz | 840 MHz |
Floating-point performance | 691.2 gflops | 1,344.0 gflops |
Manufacturing process technology | 28 nm | 40 nm |
Pipelines | 384 | 800 |
Texture fill rate | 21.6 GTexel / s | 33.6 GTexel / s |
Transistor count | 1,040 million | 1,700 million |
Thermal Design Power (TDP) | 150 Watt | |
Video outputs and ports |
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Display Connectors | No outputs | 2x DVI, 1x HDMI, 1x DisplayPort |
Compatibility, dimensions and requirements |
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Interface | MXM-A (3.0) | PCIe 2.0 x16 |
Laptop size | medium sized | |
Supplementary power connectors | None | 2x 6-pin |
Length | 198 mm | |
API support |
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DirectX | 11 | 11.2 (11_0) |
OpenGL | 4.4 | 4.4 |
Memory |
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Maximum RAM amount | 2 GB | 1 GB |
Memory bandwidth | 64 GB / s | 134.4 GB / s |
Memory bus width | 128 Bit | 256 Bit |
Memory clock speed | 4000 MHz | 4200 MHz |
Memory type | GDDR5 | GDDR5 |
Shared memory | 0 |