NVIDIA GeForce GT 555M vs NVIDIA GeForce 940M

VS

NVIDIA GeForce GT 555M

NVIDIA GeForce 940M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 555M and 2GB VRAM GeForce 940M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 555M 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

Lower TDP (35W vs 75W)

NVIDIA GeForce 940M 's Advantages

Released 3 years late

Boost Clock1098MHz

368 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 555M

0.389 TFLOPS

GeForce 940M +188%

1.124 TFLOPS

GeForce GT 555M

VS

GeForce 940M

Graphics Card

Mar 2012

Release Date

Mar 2015

GeForce 500M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1098 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

-

2

SM Count

-

144

Shading Units

512

24

TMUs

32

16

ROPs

16

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

2.700 GPixel/s

Pixel Rate

17.57 GPixel/s

16.20 GTexel/s

Texture Rate

35.14 GTexel/s

-

388.8 GFLOPS

FP32 (float)

1124 GFLOPS

32.40 GFLOPS

FP64 (double)

35.14 GFLOPS

Board Design

35W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF116

GPU Name

GM107

N12E-GE2-A1

GPU Variant

N16S-GT1-KB-B

Fermi 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

1.87 billion

238 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

5.0

5.1

Shader Model

5.1

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