NVIDIA GeForce GTX 870M vs NVIDIA GeForce 940MX

VS

NVIDIA GeForce GTX 870M NVIDIA GeForce 940MX

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 870M 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 870M 's Advantages

More VRAM (3GB vs 2GB)

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

960 additional rendering cores

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)

Score

Benchmark

FP32 (float)

GeForce GTX 870M +172%

2.599 TFLOPS

GeForce 940MX

0.954 TFLOPS

GeForce GTX 870M

VS

GeForce 940MX

Graphics Card

Mar 2014

Release Date

Jan 2016

GeForce 800M

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

941 MHz

Base Clock

1004 MHz

967 MHz

Boost Clock

1242 MHz

1250 MHz

Memory Clock

1001 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

120.0GB/s

Bandwidth

16.02GB/s

Render Config

-

SM Count

-

Compute Units

-

1344

Shading Units

384

112

TMUs

24

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

384 KB

L2 Cache

1024 KB

Theoretical Performance

27.08 GPixel/s

Pixel Rate

9.936 GPixel/s

108.3 GTexel/s

Texture Rate

29.81 GTexel/s

-

FP16 (half)

-

2.599 TFLOPS

FP32 (float)

953.9 GFLOPS

108.3 GFLOPS

FP64 (double)

29.81 GFLOPS

Graphics Processor

GK104

GPU Name

GM108

N15E-GT-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

Board Design

100W

TDP

23W

-

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

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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