AMD Radeon R9 270X vs ATI Radeon HD 5630

VS

AMD Radeon R9 270X

ATI Radeon HD 5630

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X 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 R9 270X 's Advantages

Released 2 years and 8 months late

Boost Clock1050MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 12.48GB/s)

960 additional rendering cores

ATI Radeon HD 5630 's Advantages

Lower TDP (39W vs 180W)

Score

Benchmark

FP32 (float)

Radeon R9 270X +546%

2.688 TFLOPS

Radeon HD 5630

0.416 TFLOPS

Radeon R9 270X

VS

Radeon HD 5630

Graphics Card

Oct 2013

Release Date

Feb 2011

Volcanic Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1400 MHz

Memory Clock

390 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

179.2GB/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

33.60 GPixel/s

Pixel Rate

5.200 GPixel/s

84.00 GTexel/s

Texture Rate

10.40 GTexel/s

-

2.688 TFLOPS

FP32 (float)

416.0 GFLOPS

168.0 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

39W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

Curacao

GPU Name

Redwood

Curacao XT (215-0848004)

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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