Radeon RX 7900M vs Iris Xe Graphics G4 48EU Mobile

Primary details

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

Place in the rankingnot rated38
Place by popularitynot in top-100not in top-100
Power efficiencyno data22.45
ArchitectureGeneration 12.1 (2020−2021)RDNA 3.0 (2022−2024)
GPU code nameTiger Lake GT2Navi 31
Market segmentDesktopLaptop
Release date2 September 2020 (4 years ago)19 October 2023 (1 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 cores3844608
Core clock speed300 MHz1825 MHz
Boost clock speed1100 MHz2090 MHz
Number of transistorsno data57,700 million
Manufacturing process technology10 nm5 nm
Power consumption (TDP)15 Watt180 Watt
Texture fill rate26.40601.9
Floating-point processing power0.8448 TFLOPS38.52 TFLOPS
ROPs12192
TMUs24288
Ray Tracing Coresno data72

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).

Laptop sizeno datalarge
InterfaceRing BusPCIe 4.0 x16
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 Shared16 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared2250 MHz
Memory bandwidthno data576.0 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 ConnectorsPortable Device DependentPortable Device Dependent

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.66.7
OpenGL4.64.6
OpenCL3.02.2
Vulkan1.31.3

Pros & cons summary


Recency 2 September 2020 19 October 2023
Chip lithography 10 nm 5 nm
Power consumption (TDP) 15 Watt 180 Watt

Iris Xe Graphics G4 48EU Mobile has 1100% lower power consumption.

RX 7900M, on the other hand, has an age advantage of 3 years, and a 100% more advanced lithography process.

We couldn't decide between Iris Xe Graphics G4 48EU Mobile and Radeon RX 7900M. We've got no test results to judge.

Be aware that Iris Xe Graphics G4 48EU Mobile is a desktop card while Radeon RX 7900M 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 Iris Xe Graphics G4 48EU Mobile
Iris Xe Graphics G4 48EU Mobile
AMD Radeon RX 7900M
Radeon RX 7900M

Comparisons with similar GPUs

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Community ratings

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3.5 58 votes

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4.2 58 votes

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Questions & comments

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