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

38733

908

PassMark
G2D Mark

Top 1 GPU

This GPU

1306

120

GFXBench 4.0
T-Rex

Top 1 GPU

This GPU

69225 Frames

8618 Frames

GFXBench 4.0
T-Rex

Top 1 GPU

This GPU

69225.000 Fps

8618.000 Fps

Name	Value
PassMark - G3D Mark	908
PassMark - G2D Mark	120
GFXBench 4.0 - T-Rex	8618 Frames
GFXBench 4.0 - T-Rex	8618.000 Fps

Specifications (specs)

Essentials
Architecture	TeraScale
Code name	RV740
Launch date	28 April 2009
Launch price (MSRP)	$109
Place in performance rating	737
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