AMD Radeon HD 6870 X2 videocard review

Radeon HD 6870 X2 videocard released by AMD; release date: 8 July 2011. At the time of release, the videocard cost $520. The videocard is designed for desktop-computers and based on TeraScale 2 microarchitecture codenamed Barts.

Core clock speed - 900 MHz. Texture fill rate - 2x 50.4 GTexel / s billion / sec. Pipelines - 2x 1120. Floating-point performance - 2x 2,016.0 gflops. Manufacturing process technology - 40 nm. Transistors count - 1,700 million. Power consumption (TDP) - 300 Watt.

Memory type: GDDR5. Maximum RAM amount - 2x 1 GB. Memory bus width - 2x 256 Bit. Memory clock speed - 4200 MHz. Memory bandwidth - 2x 134.4 GB / s.

Benchmarks

CompuBench 1.5 Desktop
T-Rex

Top 1 GPU

This GPU

95.851 Frames/s

1.807 Frames/s

Name	Value
CompuBench 1.5 Desktop - T-Rex	1.807 Frames/s

Specifications (specs)

Essentials
Architecture	TeraScale 2
Code name	Barts
Launch date	8 July 2011
Launch price (MSRP)	$520
Place in performance rating	1601
Type	Desktop
Technical info
Core clock speed	900 MHz
Floating-point performance	2x 2,016.0 gflops
Manufacturing process technology	40 nm
Pipelines	2x 1120
Texture fill rate	2x 50.4 GTexel / s billion / sec
Thermal Design Power (TDP)	300 Watt
Transistor count	1,700 million

Video outputs and ports
Display Connectors	2x DVI, 1x HDMI, 2x mini-DisplayPort
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16
Length	304 mm
API support
DirectX	11.2 (11_0)
OpenGL	4.4
Memory
Maximum RAM amount	2x 1 GB
Memory bandwidth	2x 134.4 GB / s
Memory bus width	2x 256 Bit
Memory clock speed	4200 MHz
Memory type	GDDR5