NVIDIA GeForce GTX 670MX vs NVIDIA GeForce 940M

VS

NVIDIA GeForce GTX 670MX

NVIDIA GeForce 940M

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX and 2GB VRAM GeForce 940M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670MX 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (67.20GB/s vs 14.40GB/s)

448 additional rendering cores

NVIDIA GeForce 940M 's Advantages

Released 2 years and 5 months late

Boost Clock1098MHz

Score

Benchmark

FP32 (float)

GeForce GTX 670MX +2%

1.154 TFLOPS

GeForce 940M

1.124 TFLOPS

GeForce GTX 670MX

VS

GeForce 940M

Graphics Card

Oct 2012

Release Date

Mar 2015

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1098 MHz

700 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

67.20GB/s

Bandwidth

14.40GB/s

Render Config

-

960

Shading Units

512

80

TMUs

32

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

384 KB

L2 Cache

2 MB

-

Theoretical Performance

12.02 GPixel/s

Pixel Rate

17.57 GPixel/s

48.08 GTexel/s

Texture Rate

35.14 GTexel/s

-

1154 GFLOPS

FP32 (float)

1124 GFLOPS

48.08 GFLOPS

FP64 (double)

35.14 GFLOPS

Board Design

75W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

GM107

N13E-GR-A2

GPU Variant

N16S-GT1-KB-B

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.87 billion

294 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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