AMD Radeon HD 7670 OEM vs AMD Radeon HD 6970

VS

AMD Radeon HD 7670 OEM

AMD Radeon HD 6970

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7670 OEM and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7670 OEM 's Advantages

Released 1 years and 1 months late

Lower TDP (66W vs 250W)

AMD Radeon HD 6970 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (176.0GB/s vs 64.00GB/s)

1056 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7670 OEM

0.768 TFLOPS

Radeon HD 6970 +251%

2.703 TFLOPS

Radeon HD 7670 OEM

VS

Radeon HD 6970

Graphics Card

Jan 2012

Release Date

Dec 2010

Southern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

176.0GB/s

Render Config

6

Compute Units

24

-

480

Shading Units

1536

24

TMUs

96

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

28.16 GPixel/s

19.20 GTexel/s

Texture Rate

84.48 GTexel/s

-

768.0 GFLOPS

FP32 (float)

2.703 TFLOPS

-

FP64 (double)

675.8 GFLOPS

Board Design

66W

TDP

250W

250 W

Suggested PSU

600 W

1x DVI 1x DisplayPort 1.1 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Turks

GPU Name

Cayman

Turks XT (215-0803000)

GPU Variant

Cayman XT (215-0807007)

TeraScale 2

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

2.64 billion

118 mm²

Die Size

389 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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