NVIDIA GeForce GT 545 vs AMD Radeon HD 6850

VS

NVIDIA GeForce GT 545

AMD Radeon HD 6850

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 and 1024MB VRAM Radeon HD 6850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 545 's Advantages

Released 7 months late

More VRAM (1536GB vs 1024GB)

Lower TDP (70W vs 127W)

AMD Radeon HD 6850 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 38.40GB/s)

816 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 545

0.415 TFLOPS

Radeon HD 6850 +258%

1.488 TFLOPS

GeForce GT 545

VS

Radeon HD 6850

Graphics Card

May 2011

Release Date

Oct 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

1000 MHz

Memory

1536MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

128.0GB/s

Render Config

-

Compute Units

12

3

SM Count

-

144

Shading Units

960

24

TMUs

48

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

24.80 GPixel/s

17.28 GTexel/s

Texture Rate

37.20 GTexel/s

-

414.7 GFLOPS

FP32 (float)

1488 GFLOPS

34.56 GFLOPS

FP64 (double)

-

Board Design

70W

TDP

127W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

None

Power Connectors

1x 6-pin

Graphics Processor

GF116

GPU Name

Barts

-

GPU Variant

Barts PRO (215-0798006)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

1.7 billion

238 mm²

Die Size

255 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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