ATI Radeon HD 3550 vs ATI Radeon HD 2900 XT

VS

ATI Radeon HD 3550

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3550 and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3550 's Advantages

Released 1 years and 3 months late

Lower TDP (30W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 6.336GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3550

0.048 TFLOPS

Radeon HD 2900 XT +891%

0.476 TFLOPS

Radeon HD 3550

VS

Radeon HD 2900 XT

Graphics Card

Aug 2008

Release Date

May 2007

Radeon R600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

396 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

512bit

6.336GB/s

Bandwidth

106.0GB/s

Render Config

2

Compute Units

4

-

40

Shading Units

320

4

TMUs

16

4

ROPs

16

-

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.376 GPixel/s

Pixel Rate

11.89 GPixel/s

2.376 GTexel/s

Texture Rate

11.89 GTexel/s

-

47.52 GFLOPS

FP32 (float)

475.5 GFLOPS

-

Board Design

30W

TDP

215W

200 W

Suggested PSU

550 W

2x DisplayPort

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV620

GPU Name

R600

RV620 PRO (215-0670006)

GPU Variant

R600 XT (215RGMDKA13FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.181 billion

Transistors

0.72 billion

67 mm²

Die Size

420 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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