AMD Radeon HD 8790M vs AMD Radeon HD 7790
Comparative analysis of AMD Radeon HD 8790M and AMD Radeon HD 7790 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
- 2x more maximum memory size: 2 GB vs 1 GB
- Around 64% better performance in PassMark - G2D Mark: 751 vs 459
- 2.7x better performance in GFXBench 4.0 - Manhattan (Frames): 2656 vs 988
- 2.7x better performance in GFXBench 4.0 - Manhattan (Fps): 2656 vs 988
| Specifications (specs) | |
| Maximum memory size | 2 GB vs 1 GB |
| Benchmarks | |
| PassMark - G2D Mark | 751 vs 459 |
| GFXBench 4.0 - Manhattan (Frames) | 2656 vs 988 |
| GFXBench 4.0 - Manhattan (Fps) | 2656 vs 988 |
Reasons to consider the AMD Radeon HD 7790
- Around 18% higher core clock speed: 1000 MHz vs 850 MHz
- 2.6x more texture fill rate: 56 GTexel / s vs 21.6 GTexel / s
- 2.3x more pipelines: 896 vs 384
- 2.6x better floating-point performance: 1,792 gflops vs 691.2 gflops
- Around 50% higher memory clock speed: 6000 MHz vs 4000 MHz
- 2.4x better performance in PassMark - G3D Mark: 3090 vs 1306
- 3.1x better performance in Geekbench - OpenCL: 14832 vs 4743
- 3.2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 40.763 vs 12.759
- Around 78% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 828.247 vs 465.631
- 2.3x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 3.646 vs 1.576
- 2.2x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 63.284 vs 28.839
- 2.7x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 217.744 vs 80.418
- 2.3x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 5087 vs 2181
- Around 2% better performance in GFXBench 4.0 - T-Rex (Frames): 2061 vs 2014
- 2.3x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 5087 vs 2181
- Around 2% better performance in GFXBench 4.0 - T-Rex (Fps): 2061 vs 2014
| Specifications (specs) | |
| Core clock speed | 1000 MHz vs 850 MHz |
| Texture fill rate | 56 GTexel / s vs 21.6 GTexel / s |
| Pipelines | 896 vs 384 |
| Floating-point performance | 1,792 gflops vs 691.2 gflops |
| Memory clock speed | 6000 MHz vs 4000 MHz |
| Benchmarks | |
| PassMark - G3D Mark | 3090 vs 1306 |
| Geekbench - OpenCL | 14832 vs 4743 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 40.763 vs 12.759 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 828.247 vs 465.631 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 3.646 vs 1.576 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 63.284 vs 28.839 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 217.744 vs 80.418 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 5087 vs 2181 |
| GFXBench 4.0 - T-Rex (Frames) | 2061 vs 2014 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 5087 vs 2181 |
| GFXBench 4.0 - T-Rex (Fps) | 2061 vs 2014 |
Compare benchmarks
GPU 1: AMD Radeon HD 8790M
GPU 2: AMD Radeon HD 7790
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| Geekbench - OpenCL |
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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 7790 |
|---|---|---|
| PassMark - G3D Mark | 1306 | 3090 |
| PassMark - G2D Mark | 751 | 459 |
| Geekbench - OpenCL | 4743 | 14832 |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 12.759 | 40.763 |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 465.631 | 828.247 |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 1.576 | 3.646 |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 28.839 | 63.284 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 80.418 | 217.744 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 2181 | 5087 |
| GFXBench 4.0 - Manhattan (Frames) | 2656 | 988 |
| GFXBench 4.0 - T-Rex (Frames) | 2014 | 2061 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 2181 | 5087 |
| GFXBench 4.0 - Manhattan (Fps) | 2656 | 988 |
| GFXBench 4.0 - T-Rex (Fps) | 2014 | 2061 |
| 3DMark Fire Strike - Graphics Score | 1607 | 0 |
Compare specifications (specs)
| AMD Radeon HD 8790M | AMD Radeon HD 7790 | |
|---|---|---|
Essentials |
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| Architecture | GCN 1.0 | GCN 2.0 |
| Code name | Mars | Bonaire |
| Design | AMD Radeon HD 8000M Series | AMD Radeon HD 7000 Series |
| Launch date | 1 April 2013 | 22 March 2013 |
| Place in performance rating | 826 | 827 |
| Type | Desktop | Desktop |
| Launch price (MSRP) | $149 | |
| Price now | $134.99 | |
| Value for money (0-100) | 29.57 | |
Technical info |
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| Boost clock speed | 850 MHz | |
| Compute units | 6 | |
| Core clock speed | 850 MHz | 1000 MHz |
| Floating-point performance | 691.2 gflops | 1,792 gflops |
| Manufacturing process technology | 28 nm | 28 nm |
| Pipelines | 384 | 896 |
| Texture fill rate | 21.6 GTexel / s | 56 GTexel / s |
| Transistor count | 1,040 million | 2,080 million |
| Thermal Design Power (TDP) | 85 Watt | |
Video outputs and ports |
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| Display Connectors | No outputs | 1x DVI, 1x HDMI, 2x mini-DisplayPort |
| DisplayPort support | ||
| Dual-link DVI support | ||
| VGA | ||
Compatibility, dimensions and requirements |
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| Interface | MXM-A (3.0) | PCIe 3.0 x16 |
| Laptop size | medium sized | |
| Supplementary power connectors | None | 1x 6-pin |
| Length | 183 mm | |
API support |
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| DirectX | 11 | 12.0 (12_0) |
| OpenGL | 4.4 | 4.5 |
Memory |
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| Maximum RAM amount | 2 GB | 1 GB |
| Memory bandwidth | 64 GB / s | 96 GB / s |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 4000 MHz | 6000 MHz |
| Memory type | GDDR5 | GDDR5 |
| Shared memory | 0 | |
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