AMD Radeon HD 7670 OEM vs AMD Radeon HD 6850 X2

VS

AMD Radeon HD 7670 OEM

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670 OEM 's Advantages

Lower TDP (66W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 64.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7670 OEM

0.768 TFLOPS

Radeon HD 6850 X2 +100%

1.536 TFLOPS

Radeon HD 7670 OEM

VS

Radeon HD 6850 X2

Graphics Card

Jan 2012

Release Date

Sep 2011

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

134.4GB/s

Render Config

6

Compute Units

12

-

480

Shading Units

960

24

TMUs

48

8

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.400 GPixel/s

Pixel Rate

25.60 GPixel/s

19.20 GTexel/s

Texture Rate

38.40 GTexel/s

-

768.0 GFLOPS

FP32 (float)

1.536 TFLOPS

-

Board Design

66W

TDP

254W

250 W

Suggested PSU

600 W

1x DVI 1x DisplayPort 1.1 1x VGA

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Turks

GPU Name

Barts

Turks XT (215-0803000)

GPU Variant

Barts PRO (215-0798006)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

1.7 billion

118 mm²

Die Size

255 mm²

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

-

5.0

Shader Model

5.0

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