Home AMD Radeon HD 6870

AMD Radeon HD 6870

This is a GPU manufactured with TSMC 40nm process, based on AMD TeraScale 2 architecture and released on Oct 2010. It features 1.7 billion transistors, 14 Rendering cores and 1024MB GDDR5 memory, with 512KB L2 cache, theoretical performance of 2.016TFLOPS, with total power consumption of 151W.

Graphics Card

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Release Date
Oct 2010
Generation
Northern Islands
Type
Desktop
Bus Interface
PCIe 2.0 x16

Clock Speeds

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Memory Clock
1050 MHz

Memory

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Memory Size
1024MB
Memory Type
GDDR5
Memory Bus
256bit
Bandwidth
134.4GB/s

Render Config

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Compute Units
14
Shading Units
1120
TMUs
56
ROPs
32
L1 Cache
8 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

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Pixel Rate
28.80 GPixel/s
Texture Rate
50.40 GTexel/s
FP32 (float)
2.016 TFLOPS

Graphics Processor

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GPU Name
Barts
GPU Variant
Barts XT


(215-0798000)
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
1.7 billion
Die Size
255 mm²

Board Design

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TDP
151W
Suggested PSU
450 W
Outputs
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
Power Connectors
2x 6-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)
NVIDIA GeForce GTX 680M 4 GB GDDR5
2.038 TFLOPS
AMD Radeon HD 6870 X2 1024 MB GDDR5
2.016 TFLOPS
ATI FirePro V7800P 2 GB GDDR5
2.016 TFLOPS
AMD FireStream 9350 2 GB GDDR5
2.016 TFLOPS
AMD Radeon HD 6870 1024 MB GDDR5
2.016 TFLOPS
ATI FirePro V7800 2 GB GDDR5
2.016 TFLOPS
MTT S10 2 GB GDDR6
2 TFLOPS

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