AMD Radeon HD 7950 vs NVIDIA GeForce GTX 560

VS

AMD Radeon HD 7950

NVIDIA GeForce GTX 560

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 1024MB VRAM GeForce GTX 560 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Released 8 months late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 128.0GB/s)

1456 additional rendering cores

NVIDIA GeForce GTX 560 's Advantages

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 +163%

2.867 TFLOPS

GeForce GTX 560

1.089 TFLOPS

Radeon HD 7950

VS

GeForce GTX 560

Graphics Card

Jan 2012

Release Date

May 2011

Southern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

128.0GB/s

Render Config

28

Compute Units

-

SM Count

7

1792

Shading Units

336

112

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

11.34 GPixel/s

89.60 GTexel/s

Texture Rate

45.36 GTexel/s

-

2.867 TFLOPS

FP32 (float)

1089 GFLOPS

716.8 GFLOPS

FP64 (double)

90.72 GFLOPS

Board Design

200W

TDP

150W

550 W

Suggested PSU

450 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

2x 6-pin

Graphics Processor

Tahiti

GPU Name

GF114

Tahiti PRO (215-0821056)

GPU Variant

GF114-325-A1

GCN 1.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

1.95 billion

352 mm²

Die Size

332 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

2.1

5.1

Shader Model

5.1

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