Atari VCS 800 GPU vs Radeon 540X

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Primary details

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

Place in the ranking704not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.19no data
ArchitectureGCN 4.0 (2016−2020)GCN 5.0 (2017−2020)
GPU code nameLexaBanded Kestrel
Market segmentLaptopDesktop
Release date5 September 2018 (6 years ago)14 December 2020 (3 years ago)
Launch price (MSRP)no data$399

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 cores512192
Core clock speed980 MHz300 MHz
Boost clock speed1046 MHz1201 MHz
Number of transistors2,200 million4,940 million
Manufacturing process technology14 nm14 nm
Power consumption (TDP)50 Watt15 Watt
Texture fill rate33.4714.41
Floating-point processing power1.071 TFLOPS0.4612 TFLOPS
ROPs164
TMUs3212

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 connectorsNoneNone

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 typeGDDR5DDR4
Maximum RAM amount2 GB8 GB
Memory bus width64 Bit128 Bit
Memory clock speed1500 MHz1200 MHz
Memory bandwidth48 GB/s38.4 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

API compatibility

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

DirectX12 (12_0)12 (12_1)
Shader Model6.46.4
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.2.1311.2

Pros & cons summary


Recency 5 September 2018 14 December 2020
Maximum RAM amount 2 GB 8 GB
Power consumption (TDP) 50 Watt 15 Watt

Atari VCS 800 GPU has an age advantage of 2 years, a 300% higher maximum VRAM amount, and 233.3% lower power consumption.

We couldn't decide between Radeon 540X and Atari VCS 800 GPU. We've got no test results to judge.

Be aware that Radeon 540X is a notebook card while Atari VCS 800 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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AMD Radeon 540X
Radeon 540X
AMD Atari VCS 800 GPU
Atari VCS 800 GPU

Comparisons with similar GPUs

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Community ratings

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3.8 316 votes

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Questions & comments

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