T500 Max-Q vs Radeon 660M

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Primary details

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

Place in the ranking330not rated
Place by popularitynot in top-100not in top-100
Power efficiency28.04no data
ArchitectureRDNA 2.0 (2020−2024)Turing (2018−2022)
GPU code nameRembrandt+TU117
Market segmentLaptopMobile workstation
Release date3 January 2023 (1 year ago)2 December 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 cores384896
Core clock speed1500 MHz795 MHz
Boost clock speed1900 MHz1425 MHz
Number of transistors13,100 million4,700 million
Manufacturing process technology6 nm12 nm
Power consumption (TDP)40 Watt18 Watt
Texture fill rate45.6079.80
Floating-point processing power1.459 TFLOPS2.554 TFLOPS
ROPs1632
TMUs2456
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 x8PCIe 3.0 x16
Supplementary power connectorsNoneNone

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 Shared1250 MHz
Memory bandwidthno data80 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 ConnectorsPortable Device DependentPortable Device Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_1)
Shader Model6.76.7 (6.4)
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.31.3
CUDA-7.5

Pros & cons summary


Recency 3 January 2023 2 December 2020
Chip lithography 6 nm 12 nm
Power consumption (TDP) 40 Watt 18 Watt

Radeon 660M has an age advantage of 2 years, and a 100% more advanced lithography process.

T500 Max-Q, on the other hand, has 122.2% lower power consumption.

We couldn't decide between Radeon 660M and T500 Max-Q. We've got no test results to judge.

Be aware that Radeon 660M is a notebook graphics card while T500 Max-Q is a mobile 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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AMD Radeon 660M
Radeon 660M
NVIDIA T500 Max-Q
T500 Max-Q

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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