Radeon Instinct MI100 vs Instinct MI25

Primary details

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

Place in the ranking389not rated
Place by popularitynot in top-100not in top-100
Power efficiency3.00no data
ArchitectureGCN 5.0 (2017−2020)CDNA 1.0 (2020)
GPU code nameVega 10Arcturus
Market segmentWorkstationWorkstation
Release date27 June 2017 (7 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 cores40967680
Core clock speed1400 MHz1000 MHz
Boost clock speed1500 MHz1502 MHz
Number of transistors12,500 million50,000 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)300 Watt300 Watt
Texture fill rate384.0721.0
Floating-point processing power12.29 TFLOPS23.07 TFLOPS
ROPs6464
TMUs256480

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 4.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors2x 8-pin2x 8-pin

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 typeHBM2HBM2
Maximum RAM amount16 GB32 GB
Memory bus width2048 Bit4096 Bit
Memory clock speed852 MHz1200 MHz
Memory bandwidth436.2 GB/s1,229 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
OpenCL2.02.1
Vulkan1.1.125N/A

Pros & cons summary


Recency 27 June 2017 16 November 2020
Maximum RAM amount 16 GB 32 GB
Chip lithography 14 nm 7 nm

Instinct MI100 has an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon Instinct MI25 and Radeon Instinct MI100. 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
AMD Radeon Instinct MI100
Radeon Instinct MI100

Comparisons with similar GPUs

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Community ratings

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4.6 13 votes

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4.6 53 votes

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Questions & comments

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