RTX A400 vs Iris Xe Graphics G4

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Primary details

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

Place in the rankingnot rated417
Place by popularitynot in top-100not in top-100
Power efficiencyno data15.72
ArchitectureGeneration 12.1 (2020−2021)Ampere (2020−2024)
GPU code nameTiger Lake GT2GA107
Market segmentLaptopWorkstation
Release date2 September 2020 (4 years ago)16 April 2024 (less than a year 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 cores384768
Core clock speed300 MHz727 MHz
Boost clock speed1100 MHz1762 MHz
Number of transistorsno data8,700 million
Manufacturing process technology10 nm8 nm
Power consumption (TDP)15 Watt50 Watt
Texture fill rate26.4042.29
Floating-point processing power0.8448 TFLOPS2.706 TFLOPS
ROPs1216
TMUs2424
Tensor Coresno data24
Ray Tracing Coresno data6

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 x8
Lengthno data163 mm
Widthno data1-slot
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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared1500 MHz
Memory bandwidthno data96 GB/s
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 outputs4x mini-DisplayPort 1.4a

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
OpenCL3.03.0
Vulkan1.21.3
CUDA-8.6

Pros & cons summary


Recency 2 September 2020 16 April 2024
Chip lithography 10 nm 8 nm
Power consumption (TDP) 15 Watt 50 Watt

Iris Xe Graphics G4 has 233.3% lower power consumption.

RTX A400, on the other hand, has an age advantage of 3 years, and a 25% more advanced lithography process.

We couldn't decide between Iris Xe Graphics G4 and RTX A400. We've got no test results to judge.

Be aware that Iris Xe Graphics G4 is a notebook card while RTX A400 is a workstation 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 Xe Graphics G4
Iris Xe Graphics G4
NVIDIA RTX A400
RTX A400

Comparisons with similar GPUs

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Community ratings

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3.2 215 votes

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3.4 12 votes

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Questions & comments

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