UHD Graphics G4 (Lakefield GT1 48 EU) vs Iris Graphics 540

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Primary details

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

Place in the ranking742not rated
Place by popularitynot in top-100not in top-100
Power efficiency15.15no data
ArchitectureGeneration 9.0 (2015−2016)Gen. 11 Ice Lake (2019−2022)
GPU code nameSkylake GT3eLakefield GT1
Market segmentLaptopLaptop
Release date1 September 2015 (9 years ago)28 May 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 cores38448
Core clock speed300 MHz200 MHz
Boost clock speed1000 MHz500 MHz
Number of transistors189 millionno data
Manufacturing process technology14 nm+10 nm
Power consumption (TDP)15 Watt7 Watt
Texture fill rate48.00no data
Floating-point processing power0.768 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 typeSystem SharedDDR4
Maximum RAM amountSystem Sharedno data
Memory bus widthSystem Sharedno data
Memory clock speedSystem Sharedno data
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 data

Supported technologies

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

Quick Sync++

API compatibility

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

DirectX12 (12_1)12_1
Shader Model6.4no data
OpenGL4.6no data
OpenCL3.0no data
Vulkan1.3-

Pros & cons summary


Recency 1 September 2015 28 May 2020
Chip lithography 14 nm 10 nm
Power consumption (TDP) 15 Watt 7 Watt

UHD Graphics G4 (Lakefield GT1 48 EU) has an age advantage of 4 years, a 40% more advanced lithography process, and 114.3% lower power consumption.

We couldn't decide between Iris Graphics 540 and UHD Graphics G4 (Lakefield GT1 48 EU). 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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Intel Iris Graphics 540
Iris Graphics 540
Intel UHD Graphics G4 (Lakefield GT1 48 EU)
UHD Graphics G4 (Lakefield GT1 48 EU)

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.


3.5 92 votes

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4 9 votes

Rate UHD Graphics G4 (Lakefield GT1 48 EU) on a scale of 1 to 5:

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Questions & comments

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