AMD Radeon HD 7870M vs AMD Radeon HD 7770 GHz Edition
Comparative analysis of AMD Radeon HD 7870M and AMD Radeon HD 7770 GHz Edition videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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 - Car Chase Offscreen (Fps), 3DMark Fire Strike - Graphics Score.
Differences
Reasons to consider the AMD Radeon HD 7870M
- Videocard is newer: launch date 2 month(s) later
- 2.8x lower typical power consumption: 45 Watt vs 125 Watt
- 2x more maximum memory size: 2 GB vs 1 GB
- 3.6x more memory clock speed: 4000 MHz vs 1125 MHz
- Around 21% better performance in PassMark - G2D Mark: 556 vs 461
| Specifications (specs) | |
| Launch date | 24 April 2012 vs 15 February 2012 |
| Thermal Design Power (TDP) | 45 Watt vs 125 Watt |
| Maximum memory size | 2 GB vs 1 GB |
| Memory clock speed | 4000 MHz vs 1125 MHz |
| Benchmarks | |
| PassMark - G2D Mark | 556 vs 461 |
Reasons to consider the AMD Radeon HD 7770 GHz Edition
- Around 25% higher texture fill rate: 40 GTexel / s vs 32 GTexel / s
- Around 25% better floating-point performance: 1,280 gflops vs 1,024 gflops
- Around 44% better performance in PassMark - G3D Mark: 2174 vs 1507
- 3.3x better performance in GFXBench 4.0 - Manhattan (Frames): 4524 vs 1367
- 3.3x better performance in GFXBench 4.0 - Manhattan (Fps): 4524 vs 1367
- 4.4x better performance in GFXBench 4.0 - T-Rex (Frames): 14630 vs 3359
- 4.4x better performance in GFXBench 4.0 - T-Rex (Fps): 14630 vs 3359
| Specifications (specs) | |
| Texture fill rate | 40 GTexel / s vs 32 GTexel / s |
| Floating-point performance | 1,280 gflops vs 1,024 gflops |
| Benchmarks | |
| PassMark - G3D Mark | 2174 vs 1507 |
| GFXBench 4.0 - Manhattan (Frames) | 4524 vs 1367 |
| GFXBench 4.0 - Manhattan (Fps) | 4524 vs 1367 |
| GFXBench 4.0 - T-Rex (Frames) | 14630 vs 3359 |
| GFXBench 4.0 - T-Rex (Fps) | 14630 vs 3359 |
Compare benchmarks
GPU 1: AMD Radeon HD 7870M
GPU 2: AMD Radeon HD 7770 GHz Edition
| PassMark - G3D Mark |
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| PassMark - G2D Mark |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | AMD Radeon HD 7870M | AMD Radeon HD 7770 GHz Edition |
|---|---|---|
| PassMark - G3D Mark | 1507 | 2174 |
| PassMark - G2D Mark | 556 | 461 |
| GFXBench 4.0 - Manhattan (Frames) | 1367 | 4524 |
| GFXBench 4.0 - Manhattan (Fps) | 1367 | 4524 |
| GFXBench 4.0 - T-Rex (Frames) | 3359 | 14630 |
| GFXBench 4.0 - T-Rex (Fps) | 3359 | 14630 |
| Geekbench - OpenCL | 14263 | |
| CompuBench 1.5 Desktop - Face Detection (mPixels/s) | 33.836 | |
| CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) | 506.712 | |
| CompuBench 1.5 Desktop - T-Rex (Frames/s) | 3.01 | |
| CompuBench 1.5 Desktop - Video Composition (Frames/s) | 49.787 | |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 153.657 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 3707 | |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 3707 | |
| 3DMark Fire Strike - Graphics Score | 711 |
Compare specifications (specs)
| AMD Radeon HD 7870M | AMD Radeon HD 7770 GHz Edition | |
|---|---|---|
Essentials |
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| Architecture | GCN 1.0 | GCN 1.0 |
| Code name | Heathrow | Cape Verde |
| Launch date | 24 April 2012 | 15 February 2012 |
| Place in performance rating | 578 | 579 |
| Type | Laptop | Desktop |
| Design | AMD Radeon HD 7000 Series | |
| Launch price (MSRP) | $159 | |
Technical info |
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| Core clock speed | 800 MHz | |
| Floating-point performance | 1,024 gflops | 1,280 gflops |
| Manufacturing process technology | 28 nm | 28 nm |
| Pipelines | 640 | 640 |
| Texture fill rate | 32 GTexel / s | 40 GTexel / s |
| Thermal Design Power (TDP) | 45 Watt | 125 Watt |
| Transistor count | 1,500 million | 1,500 million |
| Boost clock speed | 1000 MHz | |
| Stream Processors | 640 | |
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 | ||
| Eyefinity | ||
| HDMI | ||
| VGA | ||
Compatibility, dimensions and requirements |
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| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Laptop size | large | |
| Bus support | PCIe 2.1 x16 | |
| Length | 210 mm | |
| Supplementary power connectors | 1x 6-pin | |
API support |
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| DirectX | 12.0 (11_1) | 11 |
| OpenGL | 4.5 | 4.5 |
Memory |
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| Maximum RAM amount | 2 GB | 1 GB |
| Memory bandwidth | 64 GB / s | 72 GB/s |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 4000 MHz | 1125 MHz |
| Memory type | GDDR5 | GDDR5 |
| Shared memory | 0 | |
Technologies |
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| AMD Eyefinity | ||
| CrossFire | ||
| FreeSync | ||
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