NVIDIA GeForce GTX 275 vs ATI Radeon HD 2600 XT X2

VS

NVIDIA GeForce GTX 275

ATI Radeon HD 2600 XT X2

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 512MB VRAM Radeon HD 2600 XT X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 275 's Advantages

Released 1 years and 6 months late

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (127.0GB/s vs 25.60GB/s)

120 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 275 +251%

0.674 TFLOPS

Radeon HD 2600 XT X2

0.192 TFLOPS

GeForce GTX 275

VS

Radeon HD 2600 XT X2

Graphics Card

Jan 2009

Release Date

Jul 2007

GeForce 200

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

800 MHz

Memory

896MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

448bit

Memory Bus

128bit

127.0GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

3

30

SM Count

-

240

Shading Units

120

80

TMUs

8

28

ROPs

4

-

224 KB

L2 Cache

64 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

3.200 GPixel/s

50.64 GTexel/s

Texture Rate

6.400 GTexel/s

-

673.9 GFLOPS

FP32 (float)

192.0 GFLOPS

84.24 GFLOPS

FP64 (double)

-

Board Design

219W

TDP

Unknown

550 W

Suggested PSU

200 W

2x DVI

Outputs

4x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GT200B

GPU Name

RV630

G200-105-B3

GPU Variant

-

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

1.4 billion

Transistors

0.39 billion

470 mm²

Die Size

153 mm²

Graphics Features

11.1 (10_0)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.0

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