Home AMD Radeon HD 6850 X2

AMD Radeon HD 6850 X2

This is a GPU manufactured with TSMC 40nm process, based on AMD TeraScale 2 architecture and released on Sep 2011. It features 1.7 billion transistors, 960 Rendering cores and 2GB GDDR5 memory, with 512KB L2 cache, theoretical performance of 1.536TFLOPS, with total power consumption of 254W.

Graphics Card

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Release Date
Sep 2011
Generation
Northern Islands
Type
Desktop
Bus Interface
PCIe 2.0 x16

Clock Speeds

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Memory Clock
1050MHz

Memory

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Memory Size
2GB
Memory Type
GDDR5
Memory Bus
256bit
Bandwidth
134.4 GB/s

Render Config

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Compute Units
12
Shading Units
960
TMUs
48
ROPs
32
L1 Cache
8 KB (per CU)
L2 Cache
512KB

Theoretical Performance

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Pixel Rate
25.60 GPixel/s
Texture Rate
38.40 GTexel/s
FP32 (float)
1.536 TFLOPS

Graphics Processor

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GPU Name
Barts
GPU Variant
Barts PRO


(215-0798006)
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
1,700 million
Die Size
255mm²

Board Design

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TDP
254W
Suggested PSU
600W
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
Power Connectors
2x 8-pin

Graphics Features

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DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0

Rankings

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FP32 (float)
1.567 TFLOPS
1.559 TFLOPS
1.555 TFLOPS
1.536 TFLOPS
AMD Radeon E8870 4 GB GDDR5
1.536 TFLOPS
1.536 TFLOPS
1.536 TFLOPS

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