AMD Radeon HD 6850 X2 vs AMD Radeon HD 6970 X2

VS

AMD Radeon HD 6850 X2 AMD Radeon HD 6970 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 2GB VRAM Radeon HD 6970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

Lower TDP (254W vs 375W)

AMD Radeon HD 6970 X2 's Advantages

Larger VRAM bandwidth (176.0GB/s vs 134.4GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

Radeon HD 6970 X2 +75%

2.703 TFLOPS

Radeon HD 6850 X2

VS

Radeon HD 6970 X2

Graphics Card

Sep 2011

Release Date

Unknown

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

176.0GB/s

Render Config

-

SM Count

-

12

Compute Units

24

960

Shading Units

1536

48

TMUs

96

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

28.16 GPixel/s

38.40 GTexel/s

Texture Rate

84.48 GTexel/s

-

FP16 (half)

-

1.536 TFLOPS

FP32 (float)

2.703 TFLOPS

-

FP64 (double)

-

Graphics Processor

Barts

GPU Name

Antilles

Barts PRO (215-0798006)

GPU Variant

Antilles XT (215-0807027)

TeraScale 2

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

2.64 billion

255 mm²

Die Size

389 mm²

Board Design

254W

TDP

375W

600 W

Suggested PSU

750 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

3x 8-pin

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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