Iris Xe Graphics 64EUs (Alder Lake) vs Radeon 660M

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Primary details

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

Place in the ranking332not rated
Place by popularitynot in top-100not in top-100
Power efficiency27.95no data
ArchitectureRDNA 2.0 (2020−2024)Gen. 11 Ice Lake (2019−2022)
GPU code nameRembrandt+Alder Lake Xe
Market segmentLaptopLaptop
Release date3 January 2023 (1 year ago)4 January 2022 (2 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 cores38464
Core clock speed1500 MHzno data
Boost clock speed1900 MHz1400 MHz
Number of transistors13,100 millionno data
Manufacturing process technology6 nm10 nm
Power consumption (TDP)40 Wattno data
Texture fill rate45.60no data
Floating-point processing power1.459 TFLOPSno data
ROPs16no data
TMUs24no data
Ray Tracing Cores6no 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).

InterfacePCIe 4.0 x8no data
Supplementary power connectorsNoneno 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 Sharedno data
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 Syncno data+

API compatibility

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

DirectX12 Ultimate (12_2)DirectX 12_1
Shader Model6.7no data
OpenGL4.6no data
OpenCL2.0no data
Vulkan1.3-

Pros & cons summary


Recency 3 January 2023 4 January 2022
Chip lithography 6 nm 10 nm

Radeon 660M has an age advantage of 11 months, and a 66.7% more advanced lithography process.

We couldn't decide between Radeon 660M and Iris Xe Graphics 64EUs (Alder Lake). 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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AMD Radeon 660M
Radeon 660M
Intel Iris Xe Graphics 64EUs (Alder Lake)
Iris Xe Graphics 64EUs (Alder Lake)

Comparisons with similar GPUs

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Community ratings

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3.6 324 votes

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3.1 53 votes

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Questions & comments

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