NVIDIA GeForce GTX 275 PhysX Edition vs ATI Radeon HD 2900 GT

VS

NVIDIA GeForce GTX 275 PhysX Edition ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 PhysX Edition and 256MB VRAM Radeon HD 2900 GT 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 51.20GB/s)

ATI Radeon HD 2900 GT 's Advantages

Lower TDP (150W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275 PhysX Edition +115%

0.622 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

GeForce GTX 275 PhysX Edition

VS

Radeon HD 2900 GT

Graphics Card

Feb 2010

Release Date

Nov 2007

GeForce 200

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1134 MHz

Memory Clock

800 MHz

Memory

896MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

448bit

Memory Bus

256bit

127.0GB/s

Bandwidth

51.20GB/s

Render Config

30

SM Count

-

Compute Units

3

240

Shading Units

240

80

TMUs

12

28

ROPs

12

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

224 KB

L2 Cache

128 KB

Theoretical Performance

17.72 GPixel/s

Pixel Rate

7.212 GPixel/s

50.64 GTexel/s

Texture Rate

7.212 GTexel/s

-

FP16 (half)

-

622.1 GFLOPS

FP32 (float)

288.5 GFLOPS

77.76 GFLOPS

FP64 (double)

-

Graphics Processor

G92B

GPU Name

R600

G92-421-B1

GPU Variant

R600 GT (215RGFDKA13FG)

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.754 billion

Transistors

0.72 billion

260 mm²

Die Size

420 mm²

Board Design

219W

TDP

150W

550 W

Suggested PSU

450 W

2x DVI

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

11.1 (10_0)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.0

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