Radeon RX 6600M vs Iris Xe Graphics G4

Primary details

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

Place in performance rankingnot rated138
Place by popularitynot in top-100not in top-100
ArchitectureGeneration 12.0 (2020)RDNA 2 (2020−2023)
GPU code nameTiger Lake GT1R21M-E65-70
Market segmentLaptopLaptop
Release date2 September 2020 (4 years ago)1 September 2020 (4 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3841792
Core clock speedno data2068 MHz
Boost clock speed1100 MHz2177 MHz
Number of transistorsno data11,060 million
Manufacturing process technology10 nm7 nm
Power consumption (TDP)15 Watt100 Watt (50 - 100 Watt TGP)
Texture fill rate52.80235.8
Floating-point performance0.8448 gflops7.544 gflops

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 datamedium sized
InterfacePCIe 3.0 x1PCIe 4.0 x8
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 Shared8 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared14000 MHz
Memory bandwidthno data256.0 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 outputsNo outputs

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 graphics and general-purpose computing APIs, including their specific versions.

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.12.1
Vulkan1.11.2

Pros & cons summary


Chip lithography 10 nm 7 nm
Power consumption (TDP) 15 Watt 100 Watt

Iris Xe Graphics G4 has 566.7% lower power consumption.

RX 6600M, on the other hand, has a 42.9% more advanced lithography process.

We couldn't decide between Iris Xe Graphics G4 and Radeon RX 6600M. 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 Xe Graphics G4
Iris Xe Graphics G4
AMD Radeon RX 6600M
Radeon RX 6600M

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.2 191 vote

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4.3 965 votes

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Questions & comments

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