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
21536
1309
PassMark
G2D Mark
Top 1 GPU
This GPU
1086
565
GFXBench 4.0
T-Rex
Top 1 GPU
This GPU
48700 Frames
3323 Frames
GFXBench 4.0
T-Rex
Top 1 GPU
This GPU
48700.000 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 328
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