H100 PCIe vs Radeon Instinct MI25

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Primary details

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

Place in the ranking386not rated
Place by popularitynot in top-100not in top-100
Power efficiency3.10no data
ArchitectureGCN 5.0 (2017−2020)Hopper (2022−2023)
GPU code nameVega 10GH100
Market segmentWorkstationWorkstation
Release date27 June 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 cores40967296
Core clock speed1400 MHz1065 MHz
Boost clock speed1500 MHz1650 MHz
Number of transistors12,500 million80,000 million
Manufacturing process technology14 nm4 nm
Power consumption (TDP)300 Watt350 Watt
Texture fill rate384.0752.4
Floating-point processing power12.29 TFLOPS24.08 TFLOPS
ROPs6424
TMUs256456
Tensor Coresno data456

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 x16PCIe 5.0 x16
Length267 mm267 mm
Width2-slot2-slot
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 typeHBM2HBM2e
Maximum RAM amount16 GB80 GB
Memory bus width2048 Bit5120 Bit
Memory clock speed852 MHz1000 MHz
Memory bandwidth436.2 GB/s1,280 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (12_1)N/A
Shader Model6.4N/A
OpenGL4.6N/A
OpenCL2.03.0
Vulkan1.1.125N/A
CUDA-9.0

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.



GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

Instinct MI25 67679
H100 PCIe 281524
+316%

Pros & cons summary


Recency 27 June 2017 22 March 2022
Maximum RAM amount 16 GB 80 GB
Chip lithography 14 nm 4 nm
Power consumption (TDP) 300 Watt 350 Watt

Instinct MI25 has 16.7% lower power consumption.

H100 PCIe, on the other hand, has an age advantage of 4 years, a 400% higher maximum VRAM amount, and a 250% more advanced lithography process.

We couldn't decide between Radeon Instinct MI25 and H100 PCIe. We've got no test results to judge.


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 Instinct MI25
Radeon Instinct MI25
NVIDIA H100 PCIe
H100 PCIe

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.6 13 votes

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3.6 67 votes

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Questions & comments

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