NVIDIA GeForce GTX 275 PhysX Edition vs ATI Radeon X800 GTO AGP

VS

NVIDIA GeForce GTX 275 PhysX Edition

ATI Radeon X800 GTO AGP

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 PhysX Edition and 256MB VRAM Radeon X800 GTO AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 275 PhysX Edition 's Advantages

Released 2 years and 3 months late

More VRAM (896GB vs 256GB)

Larger VRAM bandwidth (127.0GB/s vs 31.36GB/s)

240 additional rendering cores

ATI Radeon X800 GTO AGP 's Advantages

Lower TDP (49W vs 219W)

Score

GeForce GTX 275 PhysX Edition

VS

Radeon X800 GTO AGP

Graphics Card

Feb 2010

Release Date

Nov 2007

GeForce 200

Generation

Radeon R400 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1134 MHz

Memory Clock

490 MHz

Memory

896MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

448bit

Memory Bus

256bit

127.0GB/s

Bandwidth

31.36GB/s

Render Config

-

30

SM Count

-

240

Shading Units

-

80

TMUs

12

28

ROPs

12

-

224 KB

L2 Cache

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

4.800 GPixel/s

50.64 GTexel/s

Texture Rate

4.800 GTexel/s

-

622.1 GFLOPS

FP32 (float)

-

77.76 GFLOPS

FP64 (double)

-

Board Design

219W

TDP

49W

550 W

Suggested PSU

200 W

2x DVI

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x Molex

Graphics Processor

G92B

GPU Name

R420

G92-421-B1

GPU Variant

R420 GTO

Tesla

Architecture

R400

TSMC

Foundry

TSMC

55 nm

Process Size

130 nm

0.754 billion

Transistors

0.16 billion

260 mm²

Die Size

281 mm²

Graphics Features

11.1 (10_0)

DirectX

9.0b (9_2)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

-

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