Radeon HD 6870

GPU Code: Barts

1 GB

GDDR5

900 MHz

Boost Clock

151 W

TDP

40 nm

Process
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Technical Specifications

Core Specifications
Architecture: TeraScale 2
Process Size: 40 nm
Base Clock: 900 MHz
Boost Clock: 900 MHz
Shader Units: 1120
TMUs: 56
ROPs: 32
Memory & Performance
Memory Size: 1 GB
Memory Type: GDDR5
Memory Bandwidth: 134.4 GB/s
Bus Interface: PCIe 2.0 x16
TDP: 151 W
Suggested PSU: 450 W
Cache & Die Information
L1 Cache: 8 KB
L2 Cache: 0.5 MB
Die Size: 255 mm²
Transistors: 1.7 billion
Transistor Density: 6.7 million/mm²

API Support

DirectX
11
OpenGL
4.4

Physical Specifications

Board Length: 247 mm
Board Width: 111 mm
Power Connectors: 2x 6-pin
Display Outputs: 2x DVI, 1x HDMI 1.3a, 2x mini-DisplayPort 1.1

Quick Facts

Release Date: 2010-10-21
Manufacturer: AMD

Performance

Pixel Fill Rate 28.8 GPixel/s
Texture Fill Rate 50.4 GTexel/s
FP32 Performance 2.0 TFLOPS