AMD Radeon HD 7970 GHz Edition vs AMD Radeon HD 7670 OEM

VS

AMD Radeon HD 7970 GHz Edition AMD Radeon HD 7670 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 512MB VRAM Radeon HD 7670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages

Boost Clock1050MHz

Larger VRAM bandwidth (288.0GB/s vs 64.00GB/s)

1568 additional rendering cores

AMD Radeon HD 7670 OEM 's Advantages

Lower TDP (66W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +460%

4.301 TFLOPS

Radeon HD 7670 OEM

0.768 TFLOPS

Radeon HD 7970 GHz Edition

VS

Radeon HD 7670 OEM

Graphics Card

Jun 2012

Release Date

Jan 2012

Southern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

32

Compute Units

6

2048

Shading Units

480

128

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

33.60 GPixel/s

Pixel Rate

6.400 GPixel/s

134.4 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

4.301 TFLOPS

FP32 (float)

768.0 GFLOPS

1075 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

Turks

Tahiti XT2 (215-0821065)

GPU Variant

Turks XT (215-0803000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.716 billion

352 mm²

Die Size

118 mm²

Board Design

300W

TDP

66W

700 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.1 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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