Radeon Graphics 128SP vs UHD Graphics 620

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Primary details

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

Place in the ranking810not rated
Place by popularity27not in top-100
Power efficiency12.20no data
ArchitectureGeneration 9.5 (2016−2020)RDNA 2.0 (2020−2024)
GPU code nameKaby Lake GT2Raphael
Market segmentLaptopDesktop
Release date1 September 2017 (7 years ago)27 September 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 cores192128
Core clock speed300 MHz400 MHz
Boost clock speed1000 MHz2200 MHz
Number of transistors189 million3,400 million
Manufacturing process technology14 nm++5 nm
Power consumption (TDP)15 Watt15 Watt
Texture fill rate24.0017.60
Floating-point processing power0.384 TFLOPS0.5632 TFLOPS
ROPs38
TMUs248
Ray Tracing Coresno data2

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 x8
Widthno dataIGP
Supplementary power connectorsno dataNone

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/DDR4System Shared
Maximum RAM amount32 GBSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
Shared memory+no data

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 DependentMotherboard Dependent

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)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL3.02.0
Vulkan1.31.3

Pros & cons summary


Recency 1 September 2017 27 September 2022
Chip lithography 14 nm 5 nm

Graphics 128SP has an age advantage of 5 years, and a 180% more advanced lithography process.

We couldn't decide between UHD Graphics 620 and Radeon Graphics 128SP. We've got no test results to judge.

Be aware that UHD Graphics 620 is a notebook card while Radeon Graphics 128SP is a desktop 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 Graphics 128SP
Radeon Graphics 128SP

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.


3 4470 votes

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4.8 4 votes

Rate Radeon Graphics 128SP on a scale of 1 to 5:

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Questions & comments

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