ATI Radeon HD 5550 vs ATI Radeon HD 4550

VS

ATI Radeon HD 5550

ATI Radeon HD 4550

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5550 and 256MB VRAM Radeon HD 4550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5550 's Advantages

Released 1 years and 5 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (51.20GB/s vs 10.48GB/s)

240 additional rendering cores

ATI Radeon HD 4550 's Advantages

Lower TDP (25W vs 39W)

Score

Benchmark

FP32 (float)

Radeon HD 5550 +266%

0.352 TFLOPS

Radeon HD 4550

0.096 TFLOPS

Radeon HD 5550

VS

Radeon HD 4550

Graphics Card

Feb 2010

Release Date

Sep 2008

Evergreen

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

655 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

51.20GB/s

Bandwidth

10.48GB/s

Render Config

4

Compute Units

1

-

320

Shading Units

80

16

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

2.400 GPixel/s

8.800 GTexel/s

Texture Rate

4.800 GTexel/s

-

352.0 GFLOPS

FP32 (float)

96.00 GFLOPS

-

Board Design

39W

TDP

25W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

RV710

Redwood PRO2

GPU Variant

RV710 (215-0725016)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.627 billion

Transistors

0.242 billion

104 mm²

Die Size

73 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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