AMD Radeon HD 7950 vs NVIDIA GeForce GTX 580

VS

AMD Radeon HD 7950

NVIDIA GeForce GTX 580

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

Main Differences

AMD Radeon HD 7950 's Advantages

Released 1 years and 2 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)

Radeon HD 7950 +81%

2.867 TFLOPS

GeForce GTX 580

1.581 TFLOPS

Radeon HD 7950

VS

GeForce GTX 580

Graphics Card

Jan 2012

Release Date

Nov 2010

Southern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1002 MHz

Memory

3GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.0GB/s

Bandwidth

192.4GB/s

Render Config

28

Compute Units

-

SM Count

16

1792

Shading Units

512

112

TMUs

64

32

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

768 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

24.70 GPixel/s

89.60 GTexel/s

Texture Rate

49.41 GTexel/s

-

2.867 TFLOPS

FP32 (float)

1.581 TFLOPS

716.8 GFLOPS

FP64 (double)

197.6 GFLOPS

Board Design

200W

TDP

244W

550 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

GF110

Tahiti PRO (215-0821056)

GPU Variant

GF110-375-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

3 billion

352 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

5.1

Shader Model

5.1

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