Radeon RX 6600M vs GeForce MX450 25W

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Primary details

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

Place in the rankingnot rated136
Place by popularitynot in top-100not in top-100
Power efficiencyno data24.58
ArchitectureTuring (2018−2022)RDNA 2.0 (2020−2024)
GPU code nameTU117Navi 23
Market segmentLaptopLaptop
Release date15 August 2020 (4 years ago)31 May 2021 (3 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 cores8961792
Core clock speed720 MHz2068 MHz
Boost clock speed930 MHz2416 MHz
Number of transistors4,700 million11,060 million
Manufacturing process technology12 nm7 nm
Power consumption (TDP)25 Watt100 Watt
Texture fill rate52.08270.6
Floating-point processing power1.667 TFLOPS8.659 TFLOPS
ROPs3264
TMUs56112
Ray Tracing Coresno data28

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 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 typeGDDR6GDDR6
Maximum RAM amount2 GB8 GB
Memory bus width64 Bit128 Bit
Memory clock speed1250 MHz1750 MHz
Memory bandwidth80 GB/s224.0 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

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.56.5
OpenGL4.64.6
OpenCL1.22.1
Vulkan1.21.3
CUDA7.5-

Pros & cons summary


Recency 15 August 2020 31 May 2021
Maximum RAM amount 2 GB 8 GB
Chip lithography 12 nm 7 nm
Power consumption (TDP) 25 Watt 100 Watt

MX450 25W has 300% lower power consumption.

RX 6600M, on the other hand, has an age advantage of 9 months, a 300% higher maximum VRAM amount, and a 71.4% more advanced lithography process.

We couldn't decide between GeForce MX450 25W 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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NVIDIA GeForce MX450 25W
GeForce MX450 25W
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.


3.9 26 votes

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4.3 1000 votes

Rate Radeon RX 6600M on a scale of 1 to 5:

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Questions & comments

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