NVIDIA GeForce GTX 860M vs NVIDIA GeForce 940A

VS

NVIDIA GeForce GTX 860M NVIDIA GeForce 940A

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 860M and 1024MB VRAM GeForce 940A 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 1GB)

Larger VRAM bandwidth (80.19GB/s vs 16.02GB/s)

256 additional rendering cores

NVIDIA GeForce 940A 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 4% (1124MHz vs 1085MHz)

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 860M +60%

1.389 TFLOPS

GeForce 940A

0.863 TFLOPS

GeForce GTX 860M

VS

GeForce 940A

Graphics Card

Jan 2014

Release Date

Mar 2015

GeForce 800M

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

1020 MHz

Base Clock

1029 MHz

1085 MHz

Boost Clock

1124 MHz

1253 MHz

Memory Clock

1001 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

80.19GB/s

Bandwidth

16.02GB/s

Render Config

-

SM Count

-

Compute Units

-

640

Shading Units

384

40

TMUs

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

2 MB

L2 Cache

1024 KB

Theoretical Performance

17.36 GPixel/s

Pixel Rate

8.992 GPixel/s

43.40 GTexel/s

Texture Rate

17.98 GTexel/s

-

FP16 (half)

-

1389 GFLOPS

FP32 (float)

863.2 GFLOPS

43.40 GFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

GM107

GPU Name

GM108

N15P-GX-A1

GPU Variant

-

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

Unknown

148 mm²

Die Size

Unknown

Board Design

75W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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