AMD Radeon HD 7970 X2 vs ATI Radeon HD 5670 640SP Edition

VS

AMD Radeon HD 7970 X2 ATI Radeon HD 5670 640SP Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 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 X2 's Advantages

Released 2 years and 1 months late

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 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +294%

3.789 TFLOPS

Radeon HD 5670 640SP Edition

0.96 TFLOPS

Radeon HD 7970 X2

VS

Radeon HD 5670 640SP Edition

Graphics Card

Aug 2012

Release Date

Jul 2010

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

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

-

SM Count

-

32

Compute Units

8

2048

Shading Units

640

128

TMUs

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

29.60 GPixel/s

Pixel Rate

6.000 GPixel/s

118.4 GTexel/s

Texture Rate

24.00 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

960.0 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Graphics Processor

New Zealand

GPU Name

Juniper

-

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

Board Design

500W

TDP

64W

900 W

Suggested PSU

250 W

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

Outputs

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

3x 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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