NVIDIA GeForce 945M vs NVIDIA GeForce GTX 675MX

VS

NVIDIA GeForce 945M

NVIDIA GeForce GTX 675MX

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 945M and 2GB VRAM GeForce GTX 675MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 945M 's Advantages

Released 3 years and 6 months late

Boost Clock1189MHz

Lower TDP (23W vs 100W)

NVIDIA GeForce GTX 675MX 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (115.2GB/s vs 16.02GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 945M

0.913 TFLOPS

GeForce GTX 675MX +37%

1.256 TFLOPS

GeForce 945M

VS

GeForce GTX 675MX

Graphics Card

Apr 2016

Release Date

Oct 2012

GeForce 900M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1006 MHz

Base Clock

-

1189 MHz

Boost Clock

-

1001 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

115.2GB/s

Render Config

-

384

Shading Units

960

24

TMUs

80

8

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

9.512 GPixel/s

Pixel Rate

13.08 GPixel/s

28.54 GTexel/s

Texture Rate

52.32 GTexel/s

-

913.2 GFLOPS

FP32 (float)

1256 GFLOPS

28.54 GFLOPS

FP64 (double)

52.32 GFLOPS

Board Design

23W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

GM108

GPU Name

GK104

-

GPU Variant

N13E-GSR-A2

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

3.54 billion

Unknown

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.0

5.1

Shader Model

5.1

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