NVIDIA GeForce GTX 275 PhysX Edition vs AMD FireStream 9270

VS

NVIDIA GeForce GTX 275 PhysX Edition

AMD FireStream 9270

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 PhysX Edition and 2GB VRAM FireStream 9270 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 1 years and 3 months late

Larger VRAM bandwidth (127.0GB/s vs 115.2GB/s)

AMD FireStream 9270 's Advantages

More VRAM (2GB vs 896GB)

560 additional rendering cores

Lower TDP (160W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275 PhysX Edition

0.622 TFLOPS

FireStream 9270 +92%

1.2 TFLOPS

GeForce GTX 275 PhysX Edition

VS

FireStream 9270

Graphics Card

Feb 2010

Release Date

Nov 2008

GeForce 200

Generation

FireStream

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

900 MHz

Memory

896MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

448bit

Memory Bus

256bit

127.0GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

10

30

SM Count

-

240

Shading Units

800

80

TMUs

40

28

ROPs

16

-

L1 Cache

16 KB (per CU)

224 KB

L2 Cache

256 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

12.00 GPixel/s

50.64 GTexel/s

Texture Rate

30.00 GTexel/s

-

622.1 GFLOPS

FP32 (float)

1200 GFLOPS

77.76 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

219W

TDP

160W

550 W

Suggested PSU

450 W

2x DVI

Outputs

1x DVI

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

G92B

GPU Name

RV770

G92-421-B1

GPU Variant

RV770 XT

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.754 billion

Transistors

0.956 billion

260 mm²

Die Size

256 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.1

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