NVIDIA GeForce 940MX vs NVIDIA GeForce GTX 870M

VS

NVIDIA GeForce 940MX NVIDIA GeForce GTX 870M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 940MX and 3GB VRAM GeForce GTX 870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 940MX 's Advantages

Released 1 years and 10 months late

Boost Clock has increased by 28% (1242MHz vs 967MHz)

Lower TDP (23W vs 100W)

NVIDIA GeForce GTX 870M 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (120.0GB/s vs 16.02GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 940MX

0.954 TFLOPS

GeForce GTX 870M +172%

2.599 TFLOPS

GeForce 940MX

VS

GeForce GTX 870M

Graphics Card

Jan 2016

Release Date

Mar 2014

GeForce 900M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1004 MHz

Base Clock

941 MHz

1242 MHz

Boost Clock

967 MHz

1001 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

192bit

16.02GB/s

Bandwidth

120.0GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

1344

24

TMUs

112

8

ROPs

24

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

Theoretical Performance

9.936 GPixel/s

Pixel Rate

27.08 GPixel/s

29.81 GTexel/s

Texture Rate

108.3 GTexel/s

-

FP16 (half)

-

953.9 GFLOPS

FP32 (float)

2.599 TFLOPS

29.81 GFLOPS

FP64 (double)

108.3 GFLOPS

Graphics Processor

GM108

GPU Name

GK104

N16S-GTR-S

GPU Variant

N15E-GT-A2

Maxwell

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

3.54 billion

Unknown

Die Size

294 mm²

Board Design

23W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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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