NVIDIA GeForce GTX 275 vs ATI Radeon X1600

VS

NVIDIA GeForce GTX 275

ATI Radeon X1600

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 512MB VRAM Radeon X1600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 275 's Advantages

Released 2 years late

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (127.0GB/s vs 12.80GB/s)

240 additional rendering cores

ATI Radeon X1600 's Advantages

Lower TDP (27W vs 219W)

Score

GeForce GTX 275

VS

Radeon X1600

Graphics Card

Jan 2009

Release Date

Jan 2007

GeForce 200

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

400 MHz

Memory

896MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

448bit

Memory Bus

128bit

127.0GB/s

Bandwidth

12.80GB/s

Render Config

-

30

SM Count

-

240

Shading Units

-

80

TMUs

4

28

ROPs

4

-

224 KB

L2 Cache

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

2.540 GPixel/s

50.64 GTexel/s

Texture Rate

2.540 GTexel/s

-

673.9 GFLOPS

FP32 (float)

-

84.24 GFLOPS

FP64 (double)

-

Board Design

219W

TDP

27W

550 W

Suggested PSU

200 W

2x DVI

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

GT200B

GPU Name

RV516

G200-105-B3

GPU Variant

-

Tesla 2.0

Architecture

R500

TSMC

Foundry

UMC

55 nm

Process Size

80 nm

1.4 billion

Transistors

0.107 billion

470 mm²

Die Size

100 mm²

Graphics Features

11.1 (10_0)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

3.0

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