NVIDIA GeForce GT 545 vs ATI Radeon HD 3850 X3

VS

NVIDIA GeForce GT 545

ATI Radeon HD 3850 X3

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 and 512MB VRAM Radeon HD 3850 X3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 545 's Advantages

More VRAM (1536GB vs 512GB)

Lower TDP (70W vs 145W)

ATI Radeon HD 3850 X3 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 38.40GB/s)

176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 545

0.415 TFLOPS

Radeon HD 3850 X3 +3%

0.428 TFLOPS

GeForce GT 545

VS

Radeon HD 3850 X3

Graphics Card

May 2011

Release Date

Unknown

GeForce 500

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

850 MHz

Memory

1536MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

192bit

Memory Bus

256bit

38.40GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

3

SM Count

-

144

Shading Units

320

24

TMUs

16

ROPs

16

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

256 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

10.70 GPixel/s

17.28 GTexel/s

Texture Rate

10.70 GTexel/s

-

414.7 GFLOPS

FP32 (float)

428.2 GFLOPS

34.56 GFLOPS

FP64 (double)

-

Board Design

70W

TDP

145W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

4x DVI

None

Power Connectors

1x 8-pin

Graphics Processor

GF116

GPU Name

RV670

-

GPU Variant

RV670 PRO (215-0708003)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.666 billion

238 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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