Radeon RX Vega 20 vs Iris Plus Graphics 640

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Primary details

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

Place in the ranking699not rated
Place by popularitynot in top-100not in top-100
Power efficiency17.94no data
ArchitectureGeneration 9.5 (2016−2020)no data
GPU code nameKaby Lake GT3eno data
Market segmentLaptopDesktop
Release date3 January 2017 (7 years ago)no data (2024 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 cores384no data
Core clock speed300 MHzno data
Boost clock speed1100 MHzno data
Number of transistors189 millionno data
Manufacturing process technology14 nm++no data
Power consumption (TDP)15 Wattno data
Texture fill rate52.80no data
Floating-point processing power0.8448 TFLOPSno data
ROPs6no data
TMUs48no 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).

InterfaceRing Busno data

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 typeDDR3L/LPDDR3/DDR4no data
Maximum RAM amount32 GBno data
Memory bus widthSystem Sharedno data
Memory clock speedSystem Sharedno data
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 Dependentno data

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)no data
Shader Model6.4no data
OpenGL4.6no data
OpenCL3.0no data
Vulkan1.3-

Pros & cons summary


We couldn't decide between Iris Plus Graphics 640 and Radeon RX Vega 20. We've got no test results to judge.

Be aware that Iris Plus Graphics 640 is a notebook card while Radeon RX Vega 20 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 Iris Plus Graphics 640
Iris Plus Graphics 640
AMD Radeon RX Vega 20
Radeon RX Vega 20

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

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3.3 304 votes

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1 1 vote

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Questions & comments

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