ATI Radeon HD 4770 videocard review
Radeon HD 4770 videocard released by ATI; release date: 28 April 2009. At the time of release, the videocard cost $109. The videocard is designed for desktop-computers and based on TeraScale microarchitecture codenamed RV740.
Core clock speed - 750 MHz. Texture fill rate - 24 GTexel / s. Pipelines - 640. Floating-point performance - 960.0 gflops. Manufacturing process technology - 40 nm. Transistors count - 826 million. Power consumption (TDP) - 80 Watt.
Memory type: GDDR5. Maximum RAM amount - 512 MB. Memory bus width - 128 Bit. Memory clock speed - 3200 MHz. Memory bandwidth - 51.2 GB / s.
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 |
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PassMark - G3D Mark | 910 |
PassMark - G2D Mark | 114 |
GFXBench 4.0 - T-Rex | 8618 Frames |
GFXBench 4.0 - T-Rex | 8618.000 Fps |
Specifications (specs)
Essentials |
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Architecture | TeraScale |
Code name | RV740 |
Launch date | 28 April 2009 |
Launch price (MSRP) | $109 |
Place in performance rating | 753 |
Type | Desktop |
Technical info |
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Core clock speed | 750 MHz |
Floating-point performance | 960.0 gflops |
Manufacturing process technology | 40 nm |
Pipelines | 640 |
Texture fill rate | 24 GTexel / s |
Thermal Design Power (TDP) | 80 Watt |
Transistor count | 826 million |
Video outputs and ports |
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Display Connectors | 2x DVI, 1x S-Video |
Compatibility, dimensions and requirements |
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Interface | PCIe 2.0 x16 |
Length | 203 mm |
Supplementary power connectors | 1x 6-pin |
API support |
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DirectX | 10.1 |
OpenGL | 3.3 |
Memory |
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Maximum RAM amount | 512 MB |
Memory bandwidth | 51.2 GB / s |
Memory bus width | 128 Bit |
Memory clock speed | 3200 MHz |
Memory type | GDDR5 |