ATI Radeon HD 5470 vs AMD Radeon R9 255 OEM

VS

ATI Radeon HD 5470

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5470 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5470 's Advantages

Lower TDP (19W vs 65W)

AMD Radeon R9 255 OEM 's Advantages

Released 1 years and 10 months late

Boost Clock930MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (73.60GB/s vs 6.400GB/s)

432 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5470

0.104 TFLOPS

Radeon R9 255 OEM +815%

0.952 TFLOPS

Radeon HD 5470

VS

Radeon R9 255 OEM

Graphics Card

Feb 2012

Release Date

Dec 2013

Evergreen

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

930 MHz

400 MHz

Memory Clock

1150 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

73.60GB/s

Render Config

2

Compute Units

8

-

80

Shading Units

512

8

TMUs

32

4

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.600 GPixel/s

Pixel Rate

14.88 GPixel/s

5.200 GTexel/s

Texture Rate

29.76 GTexel/s

-

104.0 GFLOPS

FP32 (float)

952.3 GFLOPS

-

FP64 (double)

59.52 GFLOPS

Board Design

19W

TDP

65W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

No outputs

None

Power Connectors

1x 6-pin

Graphics Processor

Cedar

GPU Name

Cape Verde

Cedar PRO

GPU Variant

Cape Verde PRX

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.292 billion

Transistors

1.5 billion

59 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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