NVIDIA GeForce 945M vs NVIDIA GeForce GT 555M

VS

NVIDIA GeForce 945M

NVIDIA GeForce GT 555M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945M and 2GB VRAM GeForce GT 555M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945M 's Advantages

Released 4 years and 1 months late

Boost Clock1189MHz

240 additional rendering cores

Lower TDP (23W vs 35W)

NVIDIA GeForce GT 555M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 16.02GB/s)

Score

Benchmark

FP32 (float)

GeForce 945M +134%

0.913 TFLOPS

GeForce GT 555M

0.389 TFLOPS

GeForce 945M

VS

GeForce GT 555M

Graphics Card

Apr 2016

Release Date

Mar 2012

GeForce 900M

Generation

GeForce 500M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1001 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

2

384

Shading Units

144

24

TMUs

24

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

2.700 GPixel/s

28.54 GTexel/s

Texture Rate

16.20 GTexel/s

-

913.2 GFLOPS

FP32 (float)

388.8 GFLOPS

28.54 GFLOPS

FP64 (double)

32.40 GFLOPS

Board Design

23W

TDP

35W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM108

GPU Name

GF116

-

GPU Variant

N12E-GE2-A1

Maxwell

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

1.17 billion

Unknown

Die Size

238 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

2.1

5.1

Shader Model

5.1

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