NVIDIA GeForce 945M vs NVIDIA GeForce GTX 1080 Mobile

VS

NVIDIA GeForce 945M

NVIDIA GeForce GTX 1080 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945M and 8GB VRAM GeForce GTX 1080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945M 's Advantages

Lower TDP (23W vs 150W)

NVIDIA GeForce GTX 1080 Mobile 's Advantages

Boost Clock has increased by 46% (1734MHz vs 1189MHz)

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (320.3GB/s vs 16.02GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945M

0.913 TFLOPS

GeForce GTX 1080 Mobile +872%

8.878 TFLOPS

GeForce 945M

VS

GeForce GTX 1080 Mobile

Graphics Card

Apr 2016

Release Date

Aug 2016

GeForce 900M

Generation

GeForce 10 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1006 MHz

Base Clock

1556 MHz

1189 MHz

Boost Clock

1734 MHz

1001 MHz

Memory Clock

1251 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5X

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

320.3GB/s

Render Config

-

SM Count

20

384

Shading Units

2560

24

TMUs

160

8

ROPs

64

-

64 KB (per SMM)

L1 Cache

48 KB (per SM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

111.0 GPixel/s

28.54 GTexel/s

Texture Rate

277.4 GTexel/s

-

FP16 (half)

138.7 GFLOPS

913.2 GFLOPS

FP32 (float)

8.878 TFLOPS

28.54 GFLOPS

FP64 (double)

277.4 GFLOPS

Board Design

23W

TDP

150W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM108

GPU Name

GP104

-

GPU Variant

N17E-G3-A1

Maxwell

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

Unknown

Transistors

7.2 billion

Unknown

Die Size

314 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

6.1

5.1

Shader Model

6.4

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