NVIDIA GeForce GT 545 vs AMD Radeon HD 6950

VS

NVIDIA GeForce GT 545

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 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 GT 545 's Advantages

Lower TDP (70W vs 200W)

AMD Radeon HD 6950 's Advantages

More VRAM (2GB vs 1536GB)

Larger VRAM bandwidth (160.0GB/s vs 38.40GB/s)

1264 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 545

0.415 TFLOPS

Radeon HD 6950 +442%

2.253 TFLOPS

GeForce GT 545

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

-

800 MHz

Memory Clock

1250 MHz

Memory

1536MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

22

3

SM Count

-

144

Shading Units

1408

24

TMUs

88

16

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

512 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

25.60 GPixel/s

17.28 GTexel/s

Texture Rate

70.40 GTexel/s

-

414.7 GFLOPS

FP32 (float)

2.253 TFLOPS

34.56 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

70W

TDP

200W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GF116

GPU Name

Cayman

-

GPU Variant

Cayman PRO (215-0807019)

Fermi 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

2.64 billion

238 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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