NVIDIA GeForce GTX 580 vs ATI Radeon HD 2900 GT

VS

NVIDIA GeForce GTX 580

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 580 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 580 's Advantages

Released 3 years late

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (192.4GB/s vs 51.20GB/s)

272 additional rendering cores

ATI Radeon HD 2900 GT 's Advantages

Lower TDP (150W vs 244W)

Score

Benchmark

FP32 (float)

GeForce GTX 580 +448%

1.581 TFLOPS

Radeon HD 2900 GT

0.288 TFLOPS

GeForce GTX 580

VS

Radeon HD 2900 GT

Graphics Card

Nov 2010

Release Date

Nov 2007

GeForce 500

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1002 MHz

Memory Clock

800 MHz

Memory

1536MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

192.4GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

3

16

SM Count

-

512

Shading Units

240

64

TMUs

12

48

ROPs

12

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

128 KB

-

Theoretical Performance

24.70 GPixel/s

Pixel Rate

7.212 GPixel/s

49.41 GTexel/s

Texture Rate

7.212 GTexel/s

-

1.581 TFLOPS

FP32 (float)

288.5 GFLOPS

197.6 GFLOPS

FP64 (double)

-

Board Design

244W

TDP

150W

550 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GF110

GPU Name

R600

GF110-375-A1

GPU Variant

R600 GT (215RGFDKA13FG)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

3 billion

Transistors

0.72 billion

520 mm²

Die Size

420 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.0

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