Radeon Instinct MI250X vs UHD Graphics 620

Primary details

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

Place in the ranking805not rated
Place by popularity24not in top-100
Power efficiency12.37no data
ArchitectureGeneration 9.5 (2016−2020)CDNA 2.0 (2021)
GPU code nameKaby Lake GT2Aldebaran
Market segmentLaptopWorkstation
Release date1 September 2017 (7 years ago)8 November 2021 (3 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 cores19214080
Core clock speed300 MHz1000 MHz
Boost clock speed1000 MHz1700 MHz
Number of transistors189 million58,200 million
Manufacturing process technology14 nm++6 nm
Power consumption (TDP)15 Watt500 Watt
Texture fill rate24.001,496
Floating-point processing power0.384 TFLOPS47.87 TFLOPS
ROPs3no data
TMUs24880

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).

InterfaceRing BusPCIe 4.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data2x 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 typeLPDDR3/DDR4HBM2e
Maximum RAM amount32 GB128 GB
Memory bus widthSystem Shared8192 Bit
Memory clock speedSystem Shared1600 MHz
Memory bandwidthno data3,277 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 ConnectorsPortable Device DependentNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Sync+no data

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
OpenCL3.03.0
Vulkan1.3N/A

Pros & cons summary


Recency 1 September 2017 8 November 2021
Maximum RAM amount 32 GB 128 GB
Chip lithography 14 nm 6 nm
Power consumption (TDP) 15 Watt 500 Watt

UHD Graphics 620 has 3233.3% lower power consumption.

Instinct MI250X, on the other hand, has an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

We couldn't decide between UHD Graphics 620 and Radeon Instinct MI250X. We've got no test results to judge.

Be aware that UHD Graphics 620 is a notebook card while Radeon Instinct MI250X 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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Intel UHD Graphics 620
UHD Graphics 620
AMD Radeon Instinct MI250X
Radeon Instinct MI250X

Comparisons with similar GPUs

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Community ratings

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


3 4369 votes

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3.5 123 votes

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Questions & comments

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