AMD Radeon HD 7970 vs ATI Radeon HD 5670 640SP Edition

VS

AMD Radeon HD 7970

ATI Radeon HD 5670 640SP Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 512MB VRAM Radeon HD 5670 640SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Released 1 years and 5 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 64.00GB/s)

1408 additional rendering cores

ATI Radeon HD 5670 640SP Edition 's Advantages

Lower TDP (64W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +294%

3.789 TFLOPS

Radeon HD 5670 640SP Edition

0.96 TFLOPS

Radeon HD 7970

VS

Radeon HD 5670 640SP Edition

Graphics Card

Dec 2011

Release Date

Jul 2010

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

64.00GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

640

128

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

6.000 GPixel/s

118.4 GTexel/s

Texture Rate

24.00 GTexel/s

-

3.789 TFLOPS

FP32 (float)

960.0 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

64W

600 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Juniper

Tahiti XT (215-0821060)

GPU Variant

Juniper CE

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

1.04 billion

352 mm²

Die Size

166 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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