AMD Radeon Sky 900 vs ATI Radeon HD 5470

VS

AMD Radeon Sky 900

ATI Radeon HD 5470

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 512MB VRAM Radeon HD 5470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages

Released 1 years and 1 months late

Boost Clock950MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 6.400GB/s)

1712 additional rendering cores

ATI Radeon HD 5470 's Advantages

Lower TDP (19W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900 +3174%

3.405 TFLOPS

Radeon HD 5470

0.104 TFLOPS

Radeon Sky 900

VS

Radeon HD 5470

Graphics Card

Mar 2013

Release Date

Feb 2012

Radeon Sky

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

825 MHz

Base Clock

-

950 MHz

Boost Clock

-

1250 MHz

Memory Clock

400 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

64bit

240.0GB/s

Bandwidth

6.400GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

80

112

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

2.600 GPixel/s

106.4 GTexel/s

Texture Rate

5.200 GTexel/s

-

3.405 TFLOPS

FP32 (float)

104.0 GFLOPS

851.2 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

19W

700 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Cedar

Orthrus

GPU Variant

Cedar PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.292 billion

352 mm²

Die Size

59 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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