ATI Radeon HD 4870 X2 videocard review

Radeon HD 4870 X2 videocard released by ATI; release date: 12 August 2008. At the time of release, the videocard cost $550. The videocard is designed for desktop-computers and based on TeraScale microarchitecture codenamed R700.

Core clock speed - 700 MHz. Texture fill rate - 2x 28 GTexel / s billion / sec. Pipelines - 2x 800. Floating-point performance - 2x 1,120.0 gflops. Manufacturing process technology - 55 nm. Transistors count - 956 million. Power consumption (TDP) - 286 Watt.

Memory type: GDDR5. Maximum RAM amount - 2x 1 GB. Memory bus width - 2x 256 Bit. Memory clock speed - 3600 MHz. Memory bandwidth - 2x 115.2 GB / s.

Benchmarks

PassMark
G3D Mark

Top 1 GPU

This GPU

38591

1309

PassMark
G2D Mark

Top 1 GPU

This GPU

1295

565

GFXBench 4.0
T-Rex

Top 1 GPU

This GPU

69225 Frames

3323 Frames

GFXBench 4.0
T-Rex

Top 1 GPU

This GPU

69225.000 Fps

3323.000 Fps

Name	Value
PassMark - G3D Mark	1309
PassMark - G2D Mark	565
GFXBench 4.0 - T-Rex	3323 Frames
GFXBench 4.0 - T-Rex	3323.000 Fps

Specifications (specs)

Essentials
Architecture	TeraScale
Code name	R700
Launch date	12 August 2008
Launch price (MSRP)	$550
Place in performance rating	440
Type	Desktop
Technical info
Core clock speed	700 MHz
Floating-point performance	2x 1,120.0 gflops
Manufacturing process technology	55 nm
Pipelines	2x 800
Texture fill rate	2x 28 GTexel / s billion / sec
Thermal Design Power (TDP)	286 Watt
Transistor count	956 million

Video outputs and ports
Display Connectors	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16
Length	267 mm
Supplementary power connectors	1x 6-pin + 1x 8-pin
API support
DirectX	10.1
OpenGL	3.3
Memory
Maximum RAM amount	2x 1 GB
Memory bandwidth	2x 115.2 GB / s
Memory bus width	2x 256 Bit
Memory clock speed	3600 MHz
Memory type	GDDR5