NVIDIA GeForce GT 545 vs ATI Radeon HD 3690

VS

NVIDIA GeForce GT 545

ATI Radeon HD 3690

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 and 256MB VRAM Radeon HD 3690 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 545 's Advantages

Released 3 years and 2 months late

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (38.40GB/s vs 26.56GB/s)

Lower TDP (70W vs 75W)

ATI Radeon HD 3690 's Advantages

176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 545

0.415 TFLOPS

Radeon HD 3690 +3%

0.429 TFLOPS

GeForce GT 545

VS

Radeon HD 3690

Graphics Card

May 2011

Release Date

Mar 2008

GeForce 500

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

830 MHz

Memory

1536MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

26.56GB/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

128 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

10.72 GPixel/s

17.28 GTexel/s

Texture Rate

10.72 GTexel/s

-

414.7 GFLOPS

FP32 (float)

428.8 GFLOPS

34.56 GFLOPS

FP64 (double)

85.76 GFLOPS

Board Design

70W

TDP

75W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-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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