NVIDIA GeForce GTX 550 Ti vs ATI Radeon HD 2900 XT

VS

NVIDIA GeForce GTX 550 Ti

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 550 Ti and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 550 Ti 's Advantages

Released 3 years and 10 months late

More VRAM (1024GB vs 512GB)

Lower TDP (116W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 98.50GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 550 Ti +45%

0.691 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

GeForce GTX 550 Ti

VS

Radeon HD 2900 XT

Graphics Card

Mar 2011

Release Date

May 2007

GeForce 500

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1026 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

512bit

98.50GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

SM Count

-

192

Shading Units

320

32

TMUs

16

24

ROPs

16

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

256 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

11.89 GPixel/s

28.80 GTexel/s

Texture Rate

11.89 GTexel/s

-

691.2 GFLOPS

FP32 (float)

475.5 GFLOPS

57.60 GFLOPS

FP64 (double)

-

Board Design

116W

TDP

215W

300 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF116

GPU Name

R600

GF116-400-A1

GPU Variant

R600 XT (215RGMDKA13FG)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

1.17 billion

Transistors

0.72 billion

238 mm²

Die Size

420 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.0

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