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
Top 1 GPU
This GPU
17881
1033
PassMark
G2D Mark
Top 1 GPU
This GPU
1085
480
GFXBench 4.0
T-Rex
Top 1 GPU
This GPU
32624 Frames
8672 Frames
GFXBench 4.0
T-Rex
Top 1 GPU
This GPU
32624.000 Fps
8672.000 Fps
Name Value
PassMark - G3D Mark 1033
PassMark - G2D Mark 480
GFXBench 4.0 - T-Rex 8672 Frames
GFXBench 4.0 - T-Rex 8672.000 Fps

Specifications (specs)

Essentials

Architecture TeraScale
Code name RV740
Launch date 28 April 2009
Launch price (MSRP) $109
Place in performance rating 152
Type Desktop

Technical info

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

Display Connectors 2x DVI, 1x S-Video

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16
Length 203 mm
Supplementary power connectors 1x 6-pin

API support

DirectX 10.1
OpenGL 3.3

Memory

Maximum RAM amount 512 MB
Memory bandwidth 51.2 GB / s
Memory bus width 128 Bit
Memory clock speed 3200 MHz
Memory type GDDR5