ATI Radeon HD 5550 vs AMD Radeon Sky 500

VS

ATI Radeon HD 5550

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5550 and 4GB VRAM Radeon Sky 500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5550 's Advantages

Lower TDP (39W vs 150W)

AMD Radeon Sky 500 's Advantages

Released 3 years and 1 months late

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 51.20GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5550

0.352 TFLOPS

Radeon Sky 500 +590%

2.432 TFLOPS

Radeon HD 5550

VS

Radeon Sky 500

Graphics Card

Feb 2010

Release Date

Mar 2013

Evergreen

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

153.6GB/s

Render Config

4

Compute Units

20

-

320

Shading Units

1280

16

TMUs

80

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

30.40 GPixel/s

8.800 GTexel/s

Texture Rate

76.00 GTexel/s

-

352.0 GFLOPS

FP32 (float)

2.432 TFLOPS

-

FP64 (double)

152.0 GFLOPS

Board Design

39W

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

Pitcairn

Redwood PRO2

GPU Variant

Pitcairn XT GL (215-0828073)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

2.8 billion

104 mm²

Die Size

212 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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