NVIDIA GeForce GTX 275 PhysX Edition vs ATI Radeon HD 3450 AGP

VS

NVIDIA GeForce GTX 275 PhysX Edition

ATI Radeon HD 3450 AGP

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 PhysX Edition and 512MB VRAM Radeon HD 3450 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 1 months late

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (127.0GB/s vs 8.000GB/s)

200 additional rendering cores

ATI Radeon HD 3450 AGP 's Advantages

Lower TDP (25W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275 PhysX Edition +1195%

0.622 TFLOPS

Radeon HD 3450 AGP

0.048 TFLOPS

GeForce GTX 275 PhysX Edition

VS

Radeon HD 3450 AGP

Graphics Card

Feb 2010

Release Date

Jan 2008

GeForce 200

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1134 MHz

Memory Clock

500 MHz

Memory

896MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

448bit

Memory Bus

64bit

127.0GB/s

Bandwidth

8.000GB/s

Render Config

-

Compute Units

2

30

SM Count

-

240

Shading Units

40

80

TMUs

4

28

ROPs

4

-

224 KB

L2 Cache

64 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

2.400 GPixel/s

50.64 GTexel/s

Texture Rate

2.400 GTexel/s

-

622.1 GFLOPS

FP32 (float)

48.00 GFLOPS

77.76 GFLOPS

FP64 (double)

-

Board Design

219W

TDP

25W

550 W

Suggested PSU

200 W

2x DVI

Outputs

2x DVI

1x 6-pin + 1x 8-pin

Power Connectors

1x Molex

Graphics Processor

G92B

GPU Name

RV620

G92-421-B1

GPU Variant

RV620 LE

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.754 billion

Transistors

0.181 billion

260 mm²

Die Size

67 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

1.3

CUDA

-

4.0

Shader Model

4.1

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