H100 SXM5 vs Radeon RX 550 640SP

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 4.0 (2016−2020)Hopper (2022−2023)
GPU code nameBaffinGH100
Market segmentDesktopWorkstation
Release date13 October 2017 (7 years ago)22 March 2022 (2 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 cores6408448
Core clock speed1019 MHz1065 MHz
Boost clock speed1071 MHz1780 MHz
Number of transistors3,000 million80,000 million
Manufacturing process technology14 nm4 nm
Power consumption (TDP)60 Watt700 Watt
Texture fill rate42.84939.8
Floating-point processing power1.371 TFLOPS30.07 TFLOPS
ROPs1624
TMUs40528
Tensor Coresno data528

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 5.0 x16
Length145 mmno data
Width2-slotno data
Supplementary power connectorsNone8-pin EPS

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 typeGDDR5HBM3
Maximum RAM amount2 GB80 GB
Memory bus width128 Bit5120 Bit
Memory clock speed1500 MHz1500 MHz
Memory bandwidth96 GB/s1,920 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)N/A
Shader Model6.4N/A
OpenGL4.6N/A
OpenCL2.03.0
Vulkan1.2.131N/A
CUDA-9.0

Pros & cons summary


Recency 13 October 2017 22 March 2022
Maximum RAM amount 2 GB 80 GB
Chip lithography 14 nm 4 nm
Power consumption (TDP) 60 Watt 700 Watt

RX 550 640SP has 1066.7% lower power consumption.

H100 SXM5, on the other hand, has an age advantage of 4 years, a 3900% higher maximum VRAM amount, and a 250% more advanced lithography process.

We couldn't decide between Radeon RX 550 640SP and H100 SXM5. We've got no test results to judge.

Be aware that Radeon RX 550 640SP is a desktop card while H100 SXM5 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 550 640SP
Radeon RX 550 640SP
NVIDIA H100 SXM5
H100 SXM5

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Community ratings

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3.8 40 votes

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4.2 27 votes

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Questions & comments

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