Radeon 660M vs GeForce MX450 30.5W 10Gbps

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Primary details

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

Place in the rankingnot rated329
Place by popularitynot in top-100not in top-100
Power efficiencyno data28.39
ArchitectureTuring (2018−2022)RDNA 2.0 (2020−2024)
GPU code nameTU117Rembrandt+
Market segmentLaptopLaptop
Release date25 August 2020 (4 years ago)3 January 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 cores896384
Core clock speed1395 MHz1500 MHz
Boost clock speed1575 MHz1900 MHz
Number of transistors4,700 million13,100 million
Manufacturing process technology12 nm6 nm
Power consumption (TDP)31 Watt40 Watt
Texture fill rate88.2045.60
Floating-point processing power2.822 TFLOPS1.459 TFLOPS
ROPs3216
TMUs5624
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 4.0 x4PCIe 4.0 x8
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 typeGDDR6System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed1250 MHzSystem Shared
Memory bandwidth80 GB/sno 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 ConnectorsNo outputsPortable 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 Model6.56.7
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.21.3
CUDA7.5-

Pros & cons summary


Recency 25 August 2020 3 January 2023
Chip lithography 12 nm 6 nm
Power consumption (TDP) 31 Watt 40 Watt

MX450 30.5W 10Gbps has 29% lower power consumption.

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

We couldn't decide between GeForce MX450 30.5W 10Gbps and Radeon 660M. 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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NVIDIA GeForce MX450 30.5W 10Gbps
GeForce MX450 30.5W 10Gbps
AMD Radeon 660M
Radeon 660M

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Community ratings

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4.3 6 votes

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3.6 306 votes

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Questions & comments

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