Iris Plus Graphics G4 vs Radeon RX Vega 8 (Ryzen 4000/5000)

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Primary details

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

Place in the ranking481not rated
Place by popularity34not in top-100
Power efficiency41.32no data
ArchitectureVega (2017−2020)Generation 11.0 (2019−2021)
GPU code nameVegaIce Lake GT2
Market segmentLaptopLaptop
Release date7 January 2020 (4 years ago)29 May 2019 (5 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 cores512384
Core clock speedno data300 MHz
Boost clock speed2100 MHz1050 MHz
Manufacturing process technology7 nm10 nm
Power consumption (TDP)15 Watt15 Watt
Texture fill rateno data25.20
Floating-point processing powerno data0.8064 TFLOPS
ROPsno data8
TMUsno data24

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).

Interfaceno dataPCIe 3.0 x1

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 typeno dataSystem Shared
Maximum RAM amountno dataSystem Shared
Memory bus widthno dataSystem Shared
Memory clock speedno dataSystem Shared
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 Connectorsno dataNo outputs

API compatibility

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

DirectX12_112 (12_1)
Shader Modelno data6.4
OpenGLno data4.6
OpenCLno data2.1
Vulkan-1.1.97

Pros & cons summary


Recency 7 January 2020 29 May 2019
Chip lithography 7 nm 10 nm

RX Vega 8 (Ryzen 4000/5000) has an age advantage of 7 months, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon RX Vega 8 (Ryzen 4000/5000) and Iris Plus Graphics G4. 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 RX Vega 8 (Ryzen 4000/5000)
Radeon RX Vega 8 (Ryzen 4000/5000)
Intel Iris Plus Graphics G4
Iris Plus Graphics G4

Comparisons with similar GPUs

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Community ratings

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3.8 1180 votes

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Questions & comments

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