NVIDIA GeForce 940A vs NVIDIA GeForce GTX 860M

VS

NVIDIA GeForce 940A

NVIDIA GeForce GTX 860M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 940A and 4GB VRAM GeForce GTX 860M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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)

NVIDIA GeForce GTX 860M 's Advantages

More VRAM (4GB vs 1024GB)

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 940A

0.863 TFLOPS

GeForce GTX 860M +60%

1.389 TFLOPS

GeForce 940A

VS

GeForce GTX 860M

Graphics Card

Mar 2015

Release Date

Jan 2014

GeForce 900A

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1029 MHz

Base Clock

1020 MHz

1124 MHz

Boost Clock

1085 MHz

1001 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

80.19GB/s

Render Config

-

384

Shading Units

640

16

TMUs

40

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

2 MB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

17.36 GPixel/s

17.98 GTexel/s

Texture Rate

43.40 GTexel/s

-

863.2 GFLOPS

FP32 (float)

1389 GFLOPS

26.98 GFLOPS

FP64 (double)

43.40 GFLOPS

Board Design

33W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

GM107

-

GPU Variant

N15P-GX-A1

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

1.87 billion

Unknown

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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