NVIDIA GeForce GTX 660M vs NVIDIA GeForce GT 540M

VS

NVIDIA GeForce GTX 660M NVIDIA GeForce GT 540M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GTX 660M and 1024MB VRAM GeForce GT 540M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660M 's Advantages

Released 1 years and 2 months late

Boost Clock950MHz

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

288 additional rendering cores

NVIDIA GeForce GT 540M 's Advantages

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GTX 660M +182%

0.73 TFLOPS

GeForce GT 540M

0.258 TFLOPS

GeForce GTX 660M

VS

GeForce GT 540M

Graphics Card

Mar 2012

Release Date

Jan 2011

GeForce 600M

Generation

GeForce 500M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

835 MHz

Base Clock

-

950 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

-

Compute Units

-

384

Shading Units

96

32

TMUs

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

7.600 GPixel/s

Pixel Rate

2.688 GPixel/s

30.40 GTexel/s

Texture Rate

10.75 GTexel/s

-

FP16 (half)

-

729.6 GFLOPS

FP32 (float)

258.0 GFLOPS

30.40 GFLOPS

FP64 (double)

21.50 GFLOPS

Graphics Processor

GK107

GPU Name

GF108

N13E-GE-A2

GPU Variant

N12P-GS-A1

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.585 billion

118 mm²

Die Size

116 mm²

Board Design

50W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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