A100 SXM4 vs Radeon RX 550X

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Primary details

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

Place in the ranking585not rated
Place by popularitynot in top-100not in top-100
Power efficiency8.26no data
ArchitectureGCN 4.0 (2016−2020)Ampere (2020−2024)
GPU code nameLexaGA100
Market segmentDesktopWorkstation
Release date16 December 2018 (5 years ago)14 May 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 cores5126912
Core clock speed1100 MHz1410 MHz
Boost clock speed1183 MHzno data
Number of transistors2,200 million54,200 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)50 Watt400 Watt
Texture fill rate37.86609.1
Floating-point processing power1.211 TFLOPS19.49 TFLOPS
ROPs16160
TMUs32432
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
Length145 mmno data
Width2-slotIGP
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 typeGDDR5HBM2E
Maximum RAM amount4 GB40 GB
Memory bus width128 Bit5120 Bit
Memory clock speed1500 MHz1215 MHz
Memory bandwidth96 GB/s1,555 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 Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.2.140
CUDA-8.0

Pros & cons summary


Recency 16 December 2018 14 May 2020
Maximum RAM amount 4 GB 40 GB
Chip lithography 14 nm 7 nm
Power consumption (TDP) 50 Watt 400 Watt

RX 550X has 700% lower power consumption.

A100 SXM4, on the other hand, has an age advantage of 1 year, a 900% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon RX 550X and A100 SXM4. We've got no test results to judge.

Be aware that Radeon RX 550X is a desktop card while A100 SXM4 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 RX 550X
Radeon RX 550X
NVIDIA A100 SXM4
A100 SXM4

Comparisons with similar GPUs

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Community ratings

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3.6 114 votes

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Questions & comments

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