Switch GPU 20nm vs GeForce 940M

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking784not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.17no data
ArchitectureMaxwell (2014−2017)Maxwell 2.0 (2014−2019)
GPU code nameGM108GM20B
Market segmentLaptopDesktop
Release date13 March 2015 (9 years ago)17 March 2017 (7 years ago)
Launch price (MSRP)no data$299

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384256
Core clock speed1072 MHz384 MHz
Boost clock speed1176 MHz768 MHz
Number of transistors1,870 million2,000 million
Manufacturing process technology28 nm20 nm
Power consumption (TDP)75 Watt15 Watt
Texture fill rate28.2212.29
Floating-point processing power0.9032 TFLOPS0.3932 TFLOPS
ROPs816
TMUs2416

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizemedium sizedno data
Bus supportPCI Express 3.0no data
InterfacePCIe 3.0 x8IGP
Lengthno data239 mm
Widthno dataIGP
Supplementary power connectorsno dataNone

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeDDR3DDR4
Maximum RAM amount2 GB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed900 MHz1600 MHz
Memory bandwidth14.4 GB/s25.6 GB/s
Shared memory-no data

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

GPU Boost2.0no data
Optimus+-
GameWorks+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)12 (12_1)
Shader Model5.16.4
OpenGL4.54.6
OpenCL1.21.2
Vulkan1.1.1261.1
CUDA+5.3

Pros & cons summary


Recency 13 March 2015 17 March 2017
Maximum RAM amount 2 GB 4 GB
Chip lithography 28 nm 20 nm
Power consumption (TDP) 75 Watt 15 Watt

Switch GPU 20nm has an age advantage of 2 years, a 100% higher maximum VRAM amount, a 40% more advanced lithography process, and 400% lower power consumption.

We couldn't decide between GeForce 940M and Switch GPU 20nm. We've got no test results to judge.

Be aware that GeForce 940M is a notebook card while Switch GPU 20nm is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA GeForce 940M
GeForce 940M
NVIDIA Switch GPU 20nm
Switch GPU 20nm

Comparisons with similar GPUs

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Community ratings

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3.3 674 votes

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Questions & comments

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