NVIDIA GeForce GTX 580 Rev. 2 vs AMD Radeon HD 7950

VS

NVIDIA GeForce GTX 580 Rev. 2

AMD Radeon HD 7950

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 580 Rev. 2 and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Released 7 months late

More VRAM (3GB vs 1536GB)

Larger VRAM bandwidth (240.0GB/s vs 192.4GB/s)

1280 additional rendering cores

Lower TDP (200W vs 244W)

Score

Benchmark

FP32 (float)

GeForce GTX 580 Rev. 2

1.581 TFLOPS

Radeon HD 7950 +81%

2.867 TFLOPS

GeForce GTX 580 Rev. 2

VS

Radeon HD 7950

Graphics Card

Jun 2011

Release Date

Jan 2012

GeForce 500

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1002 MHz

Memory Clock

1250 MHz

Memory

1536MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

192.4GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

16

SM Count

-

512

Shading Units

1792

64

TMUs

112

48

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

768 KB

-

Theoretical Performance

24.70 GPixel/s

Pixel Rate

25.60 GPixel/s

49.41 GTexel/s

Texture Rate

89.60 GTexel/s

-

1.581 TFLOPS

FP32 (float)

2.867 TFLOPS

197.6 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

244W

TDP

200W

550 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

GF110

GPU Name

Tahiti

GF110-380-A1

GPU Variant

Tahiti PRO (215-0821056)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3 billion

Transistors

4.313 billion

520 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.0

CUDA

-

5.1

Shader Model

5.1

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