AMD Radeon HD 7870 XT videocard review
Radeon HD 7870 XT videocard released by AMD; release date: 19 November 2012. At the time of release, the videocard cost $270. The videocard is designed for desktop-computers and based on GCN 1.0 microarchitecture codenamed Tahiti.
Core clock speed - 925 MHz. Boost clock speed - 975 MHz. Texture fill rate - 93.6 GTexel / s. Pipelines - 1536. Floating-point performance - 2,995 gflops. Manufacturing process technology - 28 nm. Transistors count - 4,313 million. Power consumption (TDP) - 185 Watt.
Memory type: GDDR5. Maximum RAM amount - 2 GB. Memory bus width - 256 Bit. Memory clock speed - 6000 MHz. Memory bandwidth - 192.0 GB / s.
Benchmarks
| PassMark G3D Mark |
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| PassMark G2D Mark |
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| CompuBench 1.5 Desktop Face Detection |
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| CompuBench 1.5 Desktop Ocean Surface Simulation |
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| CompuBench 1.5 Desktop T-Rex |
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| CompuBench 1.5 Desktop Video Composition |
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| CompuBench 1.5 Desktop Bitcoin Mining |
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| GFXBench 4.0 Car Chase Offscreen |
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| GFXBench 4.0 Manhattan |
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| GFXBench 4.0 T-Rex |
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| GFXBench 4.0 Car Chase Offscreen |
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| GFXBench 4.0 Manhattan |
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| GFXBench 4.0 T-Rex |
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| 3DMark Fire Strike Graphics Score |
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| Name | Value |
|---|---|
| PassMark - G3D Mark | 4470 |
| PassMark - G2D Mark | 661 |
| CompuBench 1.5 Desktop - Face Detection | 65.399 mPixels/s |
| CompuBench 1.5 Desktop - Ocean Surface Simulation | 1230.470 Frames/s |
| CompuBench 1.5 Desktop - T-Rex | 6.313 Frames/s |
| CompuBench 1.5 Desktop - Video Composition | 78.519 Frames/s |
| CompuBench 1.5 Desktop - Bitcoin Mining | 345.793 mHash/s |
| GFXBench 4.0 - Car Chase Offscreen | 2810 Frames |
| GFXBench 4.0 - Manhattan | 3264 Frames |
| GFXBench 4.0 - T-Rex | 3354 Frames |
| GFXBench 4.0 - Car Chase Offscreen | 2810.000 Fps |
| GFXBench 4.0 - Manhattan | 3264.000 Fps |
| GFXBench 4.0 - T-Rex | 3354.000 Fps |
| 3DMark Fire Strike - Graphics Score | 1745 |
Specifications (specs)
Essentials |
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| Architecture | GCN 1.0 |
| Code name | Tahiti |
| Launch date | 19 November 2012 |
| Launch price (MSRP) | $270 |
| Place in performance rating | 535 |
| Type | Desktop |
Technical info |
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| Boost clock speed | 975 MHz |
| Core clock speed | 925 MHz |
| Floating-point performance | 2,995 gflops |
| Manufacturing process technology | 28 nm |
| Pipelines | 1536 |
| Texture fill rate | 93.6 GTexel / s |
| Thermal Design Power (TDP) | 185 Watt |
| Transistor count | 4,313 million |
Video outputs and ports |
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| Display Connectors | 1x DVI, 1x HDMI, 2x mini-DisplayPort |
Compatibility, dimensions and requirements |
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| Interface | PCIe 3.0 x16 |
| Length | 267 mm |
| Supplementary power connectors | 2x 6-pin |
API support |
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| DirectX | 12.0 (11_1) |
| OpenGL | 4.5 |
Memory |
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| Maximum RAM amount | 2 GB |
| Memory bandwidth | 192.0 GB / s |
| Memory bus width | 256 Bit |
| Memory clock speed | 6000 MHz |
| Memory type | GDDR5 |
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