Iris Xe MAX Graphics vs UHD Graphics G1

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Primary details

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

Place in the rankingnot rated617
Place by popularitynot in top-100not in top-100
Power efficiencyno data14.16
ArchitectureGeneration 11.0 (2019−2021)Generation 12.1 (2020−2021)
GPU code nameIce Lake GT1DG1
Market segmentDesktopLaptop
Release date29 May 2019 (5 years ago)31 October 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 cores256768
Core clock speed300 MHz300 MHz
Boost clock speed900 MHz1650 MHz
Manufacturing process technology10 nm10 nm
Power consumption (TDP)15 Watt25 Watt
Texture fill rate14.4079.20
Floating-point processing power0.4608 TFLOPS2.534 TFLOPS
ROPs824
TMUs1648

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 x1PCIe 4.0 x4
WidthIGPno 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 typeSystem SharedLPDDR4X
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared2133 MHz
Memory bandwidthno data68.26 GB/s
Shared memoryno 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (12_1)12 (12_1)
Shader Model6.46.4
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.1.971.2

Pros & cons summary


Recency 29 May 2019 31 October 2020
Power consumption (TDP) 15 Watt 25 Watt

UHD Graphics G1 has 66.7% lower power consumption.

Iris Xe MAX Graphics, on the other hand, has an age advantage of 1 year.

We couldn't decide between UHD Graphics G1 and Iris Xe MAX Graphics. We've got no test results to judge.

Be aware that UHD Graphics G1 is a desktop card while Iris Xe MAX Graphics is a notebook 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 G1
UHD Graphics G1
Intel Iris Xe MAX Graphics
Iris Xe MAX Graphics

Comparisons with similar GPUs

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Community ratings

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3.4 165 votes

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3.2 252 votes

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Questions & comments

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