NVIDIA GeForce GTX 580 vs ATI Radeon HD 2950 PRO

VS

NVIDIA GeForce GTX 580

ATI Radeon HD 2950 PRO

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 580 and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 580 's Advantages

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (192.4GB/s vs 38.40GB/s)

192 additional rendering cores

ATI Radeon HD 2950 PRO 's Advantages

Lower TDP (75W vs 244W)

Score

Benchmark

FP32 (float)

GeForce GTX 580 +311%

1.581 TFLOPS

Radeon HD 2950 PRO

0.384 TFLOPS

GeForce GTX 580

VS

Radeon HD 2950 PRO

Graphics Card

Nov 2010

Release Date

Unknown

GeForce 500

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1002 MHz

Memory Clock

600 MHz

Memory

1536MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

192.4GB/s

Bandwidth

38.40GB/s

Render Config

-

Compute Units

4

16

SM Count

-

512

Shading Units

320

64

TMUs

16

48

ROPs

16

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

256 KB

-

Theoretical Performance

24.70 GPixel/s

Pixel Rate

9.600 GPixel/s

49.41 GTexel/s

Texture Rate

9.600 GTexel/s

-

1.581 TFLOPS

FP32 (float)

384.0 GFLOPS

197.6 GFLOPS

FP64 (double)

76.80 GFLOPS

Board Design

244W

TDP

75W

550 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GF110

GPU Name

RV670

GF110-375-A1

GPU Variant

RV670 PRO ES (215-0708001)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

3 billion

Transistors

0.666 billion

520 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

4.1

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