AMD Radeon HD 6870 X2 vs ATI Radeon HD 5630

VS

AMD Radeon HD 6870 X2

ATI Radeon HD 5630

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 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 6870 X2 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 12.48GB/s)

800 additional rendering cores

ATI Radeon HD 5630 's Advantages

Lower TDP (39W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2 +384%

2.016 TFLOPS

Radeon HD 5630

0.416 TFLOPS

Radeon HD 6870 X2

VS

Radeon HD 5630

Graphics Card

Jul 2011

Release Date

Feb 2011

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

390 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

12.48GB/s

Render Config

14

Compute Units

4

-

1120

Shading Units

320

56

TMUs

16

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

5.200 GPixel/s

50.40 GTexel/s

Texture Rate

10.40 GTexel/s

-

2.016 TFLOPS

FP32 (float)

416.0 GFLOPS

-

Board Design

300W

TDP

39W

700 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

Redwood

Barts XT (215-0798000)

GPU Variant

Redwood LE

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.627 billion

255 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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