A100 SXM4 80 GB vs Radeon 620

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Primary details

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

Place in the ranking848not rated
Place by popularitynot in top-100not in top-100
Power efficiency3.21no data
ArchitectureGCN 3.0 (2014−2019)Ampere (2020−2024)
GPU code namePolaris 24GA100
Market segmentLaptopWorkstation
Release date13 May 2019 (5 years ago)16 November 2020 (4 years ago)

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 cores3846912
Core clock speed730 MHz1095 MHz
Boost clock speed1024 MHz1410 MHz
Number of transistors1,550 million54,200 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)50 Watt400 Watt
Texture fill rate24.58609.1
Floating-point processing power0.7864 TFLOPS19.49 TFLOPS
ROPs8160
TMUs24432
Tensor Coresno data432

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 x8PCIe 4.0 x16
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 typeDDR3HBM2e
Maximum RAM amount2 GB80 GB
Memory bus width64 Bit5120 Bit
Memory clock speed900 MHz1593 MHz
Memory bandwidth14.4 GB/s2,039 GB/s
Shared memory--

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)N/A
Shader Model6.3N/A
OpenGL4.6N/A
OpenCL2.02.0
Vulkan1.2.131N/A
CUDA-8.0

Pros & cons summary


Recency 13 May 2019 16 November 2020
Maximum RAM amount 2 GB 80 GB
Chip lithography 28 nm 7 nm
Power consumption (TDP) 50 Watt 400 Watt

Radeon 620 has 700% lower power consumption.

A100 SXM4 80 GB, on the other hand, has an age advantage of 1 year, a 3900% higher maximum VRAM amount, and a 300% more advanced lithography process.

We couldn't decide between Radeon 620 and A100 SXM4 80 GB. We've got no test results to judge.

Be aware that Radeon 620 is a notebook card while A100 SXM4 80 GB is a workstation 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 620
Radeon 620
NVIDIA A100 SXM4 80 GB
A100 SXM4 80 GB

Comparisons with similar GPUs

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Community ratings

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3.2 65 votes

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2.3 58 votes

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Questions & comments

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