NVIDIA GeForce 840A vs NVIDIA GeForce 940MX

VS

NVIDIA GeForce 840A

NVIDIA GeForce 940MX

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 2GB VRAM GeForce 940MX 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 10% (1242MHz vs 1124MHz)

Lower TDP (23W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840A

0.863 TFLOPS

GeForce 940MX +10%

0.954 TFLOPS

GeForce 840A

VS

GeForce 940MX

Graphics Card

Mar 2014

Release Date

Jan 2016

GeForce 800A

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1029 MHz

Base Clock

1004 MHz

1124 MHz

Boost Clock

1242 MHz

1001 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

16.02GB/s

Render Config

-

384

Shading Units

384

16

TMUs

24

8

ROPs

8

-

64 KB (per SMM)

L1 Cache

64 KB (per SMM)

1024 KB

L2 Cache

1024 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

9.936 GPixel/s

17.98 GTexel/s

Texture Rate

29.81 GTexel/s

-

863.2 GFLOPS

FP32 (float)

953.9 GFLOPS

26.98 GFLOPS

FP64 (double)

29.81 GFLOPS

Board Design

33W

TDP

23W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

GM108

-

GPU Variant

N16S-GTR-S

Maxwell

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

Unknown

Die Size

Unknown

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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