NVIDIA GeForce GTX 860M vs NVIDIA GeForce 940M

VS

NVIDIA GeForce GTX 860M

NVIDIA GeForce 940M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M 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 860M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (80.19GB/s vs 14.40GB/s)

128 additional rendering cores

NVIDIA GeForce 940M 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 1% (1098MHz vs 1085MHz)

Score

Benchmark

FP32 (float)

GeForce GTX 860M +23%

1.389 TFLOPS

GeForce 940M

1.124 TFLOPS

GeForce GTX 860M

VS

GeForce 940M

Graphics Card

Jan 2014

Release Date

Mar 2015

GeForce 800M

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1020 MHz

Base Clock

1020 MHz

1085 MHz

Boost Clock

1098 MHz

1253 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

80.19GB/s

Bandwidth

14.40GB/s

Render Config

-

640

Shading Units

512

40

TMUs

32

16

ROPs

16

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

2 MB

-

Theoretical Performance

17.36 GPixel/s

Pixel Rate

17.57 GPixel/s

43.40 GTexel/s

Texture Rate

35.14 GTexel/s

-

1389 GFLOPS

FP32 (float)

1124 GFLOPS

43.40 GFLOPS

FP64 (double)

35.14 GFLOPS

Board Design

75W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GM107

GPU Name

GM107

N15P-GX-A1

GPU Variant

N16S-GT1-KB-B

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.87 billion

148 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

5.0

5.1

Shader Model

5.1

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