Atari VCS 400 GPU vs GeForce 940A

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Primary details

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

Place in the ranking788not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.96no data
ArchitectureMaxwell (2014−2017)GCN 5.0 (2017−2020)
GPU code nameGM108Banded Kestrel
Market segmentLaptopDesktop
Release date13 March 2015 (9 years ago)14 December 2020 (4 years ago)
Launch price (MSRP)no data$249

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 cores384192
Core clock speed1029 MHz300 MHz
Boost clock speed1124 MHz1201 MHz
Number of transistorsno data4,940 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)33 Watt15 Watt
Texture fill rate17.9814.41
Floating-point processing power0.8632 TFLOPS0.4612 TFLOPS
ROPs84
TMUs1612

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).

InterfacePCIe 3.0 x8IGP
Lengthno data295 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 amount1 GB4 GB
Memory bus width64 Bit128 Bit
Memory clock speed1001 MHz1200 MHz
Memory bandwidth16.02 GB/s38.4 GB/s

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

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
OpenGL4.64.6
OpenCL1.22.1
Vulkan1.1.1261.2
CUDA5.0-

Pros & cons summary


Recency 13 March 2015 14 December 2020
Maximum RAM amount 1 GB 4 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 33 Watt 15 Watt

Atari VCS 400 GPU has an age advantage of 5 years, a 300% higher maximum VRAM amount, a 100% more advanced lithography process, and 120% lower power consumption.

We couldn't decide between GeForce 940A and Atari VCS 400 GPU. We've got no test results to judge.

Be aware that GeForce 940A is a notebook card while Atari VCS 400 GPU 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 940A
GeForce 940A
AMD Atari VCS 400 GPU
Atari VCS 400 GPU

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