NVIDIA GeForce GTX 560 vs AMD Radeon HD 6950

VS

NVIDIA GeForce GTX 560

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 560 and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 560 's Advantages

Lower TDP (150W vs 200W)

AMD Radeon HD 6950 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 128.0GB/s)

1072 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 560

1.089 TFLOPS

Radeon HD 6950 +106%

2.253 TFLOPS

GeForce GTX 560

VS

Radeon HD 6950

Graphics Card

May 2011

Release Date

Dec 2010

GeForce 500

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

128.0GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

22

7

SM Count

-

336

Shading Units

1408

56

TMUs

88

32

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

11.34 GPixel/s

Pixel Rate

25.60 GPixel/s

45.36 GTexel/s

Texture Rate

70.40 GTexel/s

-

1089 GFLOPS

FP32 (float)

2.253 TFLOPS

90.72 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

150W

TDP

200W

450 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GF114

GPU Name

Cayman

GF114-325-A1

GPU Variant

Cayman PRO (215-0807019)

Fermi 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

2.64 billion

332 mm²

Die Size

389 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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