ATI Radeon HD 5550 vs ATI Radeon HD 2950 PRO

VS

ATI Radeon HD 5550

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 5550 and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5550 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (51.20GB/s vs 38.40GB/s)

Lower TDP (39W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 5550

0.352 TFLOPS

Radeon HD 2950 PRO +9%

0.384 TFLOPS

Radeon HD 5550

VS

Radeon HD 2950 PRO

Graphics Card

Feb 2010

Release Date

Unknown

Evergreen

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

38.40GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

16

TMUs

16

8

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

9.600 GPixel/s

8.800 GTexel/s

Texture Rate

9.600 GTexel/s

-

352.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

FP64 (double)

76.80 GFLOPS

Board Design

39W

TDP

75W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

RV670

Redwood PRO2

GPU Variant

RV670 PRO ES (215-0708001)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.627 billion

Transistors

0.666 billion

104 mm²

Die Size

192 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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