AMD Radeon HD 7870 GHz Edition vs ATI Radeon HD 5630

VS

AMD Radeon HD 7870 GHz Edition

ATI Radeon HD 5630

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition 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 7870 GHz Edition 's Advantages

Released 1 years and 1 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 12.48GB/s)

960 additional rendering cores

ATI Radeon HD 5630 's Advantages

Lower TDP (39W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +515%

2.56 TFLOPS

Radeon HD 5630

0.416 TFLOPS

Radeon HD 7870 GHz Edition

VS

Radeon HD 5630

Graphics Card

Mar 2012

Release Date

Feb 2011

Southern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

390 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

12.48GB/s

Render Config

20

Compute Units

4

-

1280

Shading Units

320

80

TMUs

16

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

5.200 GPixel/s

80.00 GTexel/s

Texture Rate

10.40 GTexel/s

-

2.560 TFLOPS

FP32 (float)

416.0 GFLOPS

160.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

39W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Redwood

Pitcairn XT (215-0828047)

GPU Variant

Redwood LE

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.627 billion

212 mm²

Die Size

104 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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