NVIDIA GeForce GTX 275 vs ATI Radeon HD 4580

VS

NVIDIA GeForce GTX 275

ATI Radeon HD 4580

We compared two Desktop platform GPUs: 896MB VRAM GeForce GTX 275 and 512MB VRAM Radeon HD 4580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 275 's Advantages

More VRAM (896GB vs 512GB)

Larger VRAM bandwidth (127.0GB/s vs 22.18GB/s)

120 additional rendering cores

ATI Radeon HD 4580 's Advantages

Released 2 years and 10 months late

Lower TDP (65W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 275 +252%

0.674 TFLOPS

Radeon HD 4580

0.191 TFLOPS

GeForce GTX 275

VS

Radeon HD 4580

Graphics Card

Jan 2009

Release Date

Nov 2011

GeForce 200

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1134 MHz

Memory Clock

693 MHz

Memory

896MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

448bit

Memory Bus

128bit

127.0GB/s

Bandwidth

22.18GB/s

Render Config

-

Compute Units

3

30

SM Count

-

240

Shading Units

120

80

TMUs

8

28

ROPs

4

-

224 KB

L2 Cache

128 KB

-

Theoretical Performance

17.72 GPixel/s

Pixel Rate

3.184 GPixel/s

50.64 GTexel/s

Texture Rate

6.368 GTexel/s

-

673.9 GFLOPS

FP32 (float)

191.0 GFLOPS

84.24 GFLOPS

FP64 (double)

-

Board Design

219W

TDP

65W

550 W

Suggested PSU

250 W

2x DVI

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

GT200B

GPU Name

RV635

G200-105-B3

GPU Variant

RV635 PRO (215-0682008)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

1.4 billion

Transistors

0.378 billion

470 mm²

Die Size

135 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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