ATI Radeon HD 5970 vs ATI Radeon HD 5670 640SP Edition

VS

ATI Radeon HD 5970

ATI Radeon HD 5670 640SP Edition

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 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

ATI Radeon HD 5970 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

960 additional rendering cores

ATI Radeon HD 5670 640SP Edition 's Advantages

Released 8 months late

Lower TDP (64W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970 +141%

2.32 TFLOPS

Radeon HD 5670 640SP Edition

0.96 TFLOPS

ATI Radeon HD 5970

VS

Radeon HD 5670 640SP Edition

Graphics Card

Nov 2009

Release Date

Jul 2010

Evergreen

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

64.00GB/s

Render Config

20

Compute Units

8

-

1600

Shading Units

640

80

TMUs

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

6.000 GPixel/s

58.00 GTexel/s

Texture Rate

24.00 GTexel/s

-

2.320 TFLOPS

FP32 (float)

960.0 GFLOPS

464.0 GFLOPS

FP64 (double)

-

Board Design

294W

TDP

64W

600 W

Suggested PSU

250 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Hemlock

GPU Name

Juniper

Hemlock XT (215-0735075)

GPU Variant

Juniper CE

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

1.04 billion

334 mm²

Die Size

166 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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