AMD Radeon HD 6950 vs NVIDIA GeForce GTX 560 OEM

VS

AMD Radeon HD 6950

NVIDIA GeForce GTX 560 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 1280MB VRAM GeForce GTX 560 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950 's Advantages

More VRAM (2GB vs 1280GB)

Larger VRAM bandwidth (160.0GB/s vs 128.3GB/s)

1024 additional rendering cores

NVIDIA GeForce GTX 560 OEM 's Advantages

Released 11 months late

Lower TDP (150W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 6950 +165%

2.253 TFLOPS

GeForce GTX 560 OEM

0.848 TFLOPS

Radeon HD 6950

VS

GeForce GTX 560 OEM

Graphics Card

Dec 2010

Release Date

Nov 2011

Northern Islands

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

802 MHz

Memory

2GB

Memory Size

1280MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

320bit

160.0GB/s

Bandwidth

128.3GB/s

Render Config

22

Compute Units

-

SM Count

12

1408

Shading Units

384

88

TMUs

48

32

ROPs

40

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

640 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

13.25 GPixel/s

70.40 GTexel/s

Texture Rate

26.50 GTexel/s

-

2.253 TFLOPS

FP32 (float)

847.9 GFLOPS

563.2 GFLOPS

FP64 (double)

106.0 GFLOPS

Board Design

200W

TDP

150W

550 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cayman

GPU Name

GF110

Cayman PRO (215-0807019)

GPU Variant

GF110-040-A1

TeraScale 3

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.64 billion

Transistors

3 billion

389 mm²

Die Size

520 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

5.0

Shader Model

5.1

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