H100 SXM5 vs Radeon RX 6900 XT

Primary details

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

Place in the ranking22not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation29.85no data
Power efficiency16.03no data
ArchitectureRDNA 2.0 (2020−2024)Hopper (2022−2023)
GPU code nameNavi 21GH100
Market segmentDesktopWorkstation
Release date28 October 2020 (4 years ago)22 March 2022 (2 years ago)
Launch price (MSRP)$999 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores51208448
Core clock speed1825 MHz1065 MHz
Boost clock speed2250 MHz1780 MHz
Number of transistors26,800 million80,000 million
Manufacturing process technology7 nm4 nm
Power consumption (TDP)300 Watt700 Watt
Texture fill rate720.0939.8
Floating-point processing power23.04 TFLOPS30.07 TFLOPS
ROPs12824
TMUs320528
Tensor Coresno data528
Ray Tracing Cores80no data

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 4.0 x16PCIe 5.0 x16
Length267 mmno data
Width3-slotno data
Supplementary power connectors2x 8-pin8-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 typeGDDR6HBM3
Maximum RAM amount16 GB80 GB
Memory bus width256 Bit5120 Bit
Memory clock speed2000 MHz1500 MHz
Memory bandwidth512.0 GB/s1,920 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 Connectors1x HDMI, 2x DisplayPort, 1x USB Type-CNo outputs
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_2)N/A
Shader Model6.5N/A
OpenGL4.6N/A
OpenCL2.13.0
Vulkan1.2N/A
CUDA-9.0

Pros & cons summary


Recency 28 October 2020 22 March 2022
Maximum RAM amount 16 GB 80 GB
Chip lithography 7 nm 4 nm
Power consumption (TDP) 300 Watt 700 Watt

RX 6900 XT has 133.3% lower power consumption.

H100 SXM5, on the other hand, has an age advantage of 1 year, a 400% higher maximum VRAM amount, and a 75% more advanced lithography process.

We couldn't decide between Radeon RX 6900 XT and H100 SXM5. We've got no test results to judge.

Be aware that Radeon RX 6900 XT 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 6900 XT
Radeon RX 6900 XT
NVIDIA H100 SXM5
H100 SXM5

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Community ratings

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