AMD Radeon HD 6970 vs ATI Radeon HD 5630

VS

AMD Radeon HD 6970

ATI Radeon HD 5630

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 1024MB VRAM Radeon HD 5630 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (176.0GB/s vs 12.48GB/s)

1216 additional rendering cores

ATI Radeon HD 5630 's Advantages

Lower TDP (39W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +549%

2.703 TFLOPS

Radeon HD 5630

0.416 TFLOPS

Radeon HD 6970

VS

Radeon HD 5630

Graphics Card

Dec 2010

Release Date

Feb 2011

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

390 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

12.48GB/s

Render Config

24

Compute Units

4

-

1536

Shading Units

320

96

TMUs

16

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

5.200 GPixel/s

84.48 GTexel/s

Texture Rate

10.40 GTexel/s

-

2.703 TFLOPS

FP32 (float)

416.0 GFLOPS

675.8 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

39W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Cayman

GPU Name

Redwood

Cayman XT (215-0807007)

GPU Variant

Redwood LE

TeraScale 3

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

0.627 billion

389 mm²

Die Size

104 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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