NVIDIA GeForce GTX 670MX vs NVIDIA GeForce 940MX

VS

NVIDIA GeForce GTX 670MX

NVIDIA GeForce 940MX

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX and 2GB VRAM GeForce 940MX 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 16.02GB/s)

576 additional rendering cores

NVIDIA GeForce 940MX 's Advantages

Released 3 years and 3 months late

Boost Clock1242MHz

Lower TDP (23W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 670MX +20%

1.154 TFLOPS

GeForce 940MX

0.954 TFLOPS

GeForce GTX 670MX

VS

GeForce 940MX

Graphics Card

Oct 2012

Release Date

Jan 2016

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1004 MHz

-

Boost Clock

1242 MHz

700 MHz

Memory Clock

1001 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

67.20GB/s

Bandwidth

16.02GB/s

Render Config

-

960

Shading Units

384

80

TMUs

24

ROPs

8

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

384 KB

L2 Cache

1024 KB

-

Theoretical Performance

12.02 GPixel/s

Pixel Rate

9.936 GPixel/s

48.08 GTexel/s

Texture Rate

29.81 GTexel/s

-

1154 GFLOPS

FP32 (float)

953.9 GFLOPS

48.08 GFLOPS

FP64 (double)

29.81 GFLOPS

Board Design

75W

TDP

23W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK104

GPU Name

GM108

N13E-GR-A2

GPU Variant

N16S-GTR-S

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

Unknown

294 mm²

Die Size

Unknown

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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