AMD Radeon HD 6870 X2 videocard review

AMD Radeon HD 6870 X2

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 1607
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