ATI Mobility Radeon HD 4870 videocard review
Mobility Radeon HD 4870 videocard released by ATI; release date: 9 January 2009. The videocard is designed for laptop-computers and based on TeraScale microarchitecture codenamed M98.
Core clock speed - 550 MHz. Texture fill rate - 22 GTexel / s. Pipelines - 800. Floating-point performance - 880.0 gflops. Manufacturing process technology - 55 nm. Transistors count - 956 million.
Memory type: GDDR5. Maximum RAM amount - 512 MB. Memory bus width - 256 Bit. Memory clock speed - 1776 MHz. Memory bandwidth - 56.8 GB / s. Shared memory - 0.
Benchmarks
| PassMark G3D Mark |
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| PassMark G2D Mark |
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| GFXBench 4.0 T-Rex |
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| GFXBench 4.0 T-Rex |
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| Name | Value |
|---|---|
| PassMark - G3D Mark | 720 |
| PassMark - G2D Mark | 416 |
| GFXBench 4.0 - T-Rex | 3350 Frames |
| GFXBench 4.0 - T-Rex | 3350.000 Fps |
Games performance
Supreme Commander - FA Bench (2007)
| High, 1024x768 | 50.00 |
Crysis - GPU Benchmark (2007)
| High, 1024x768 | 50.00 |
| Ultra, 1920x1080 | 14.50 |
Half Life 2 - Lost Coast Benchmark (2005)
| High, 1024x768 | 165.00 |
Quake 3 Arena - Timedemo (1999)
| High, 1024x768 | 582.00 |
Specifications (specs)
Essentials |
|
| Architecture | TeraScale |
| Code name | M98 |
| Launch date | 9 January 2009 |
| Place in performance rating | 591 |
| Type | Laptop |
Technical info |
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| Core clock speed | 550 MHz |
| Floating-point performance | 880.0 gflops |
| Manufacturing process technology | 55 nm |
| Pipelines | 800 |
| Texture fill rate | 22 GTexel / s |
| Transistor count | 956 million |
Video outputs and ports |
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| Display Connectors | No outputs |
Compatibility, dimensions and requirements |
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| Interface | PCIe 2.0 x16 |
| Laptop size | large |
API support |
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| DirectX | 10.1 |
| OpenGL | 3.3 |
Memory |
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| Maximum RAM amount | 512 MB |
| Memory bandwidth | 56.8 GB / s |
| Memory bus width | 256 Bit |
| Memory clock speed | 1776 MHz |
| Memory type | GDDR5 |
| Shared memory | 0 |
Technologies |
|
| 1x Dual-Link/Single-Link DVI | |
| 1x Single-Link DVI Support (all display ports have to be supported by the laptop manufacturer) | |
| DisplayPort support up to 2560x1600 | |
| HDMI support up to 1920x1080 (both with 7.1 AC3 Audio) | |
| PCI-E 2.0 x16 | |
| Powerplay | |
Navigation
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