GeForce MX450 12W vs Radeon 620

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Primary details

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

Place in the ranking845not rated
Place by popularitynot in top-100not in top-100
Power efficiency3.21no data
ArchitectureGCN 3.0 (2014−2019)Turing (2018−2022)
GPU code namePolaris 24TU117S
Market segmentLaptopLaptop
Release date13 May 2019 (5 years ago)15 August 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 speed730 MHz720 MHz
Boost clock speed1024 MHz930 MHz
Number of transistors1,550 million4,700 million
Manufacturing process technology28 nm12 nm
Power consumption (TDP)50 Watt12 Watt
Texture fill rate24.5852.08
Floating-point processing power0.7864 TFLOPS1.667 TFLOPS
ROPs832
TMUs2456

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 3.0 x8PCIe 4.0 x4
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 typeDDR3GDDR6
Maximum RAM amount2 GB2 GB
Memory bus width64 Bit64 Bit
Memory clock speed900 MHz1250 MHz
Memory bandwidth14.4 GB/s80 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 outputsPortable Device Dependent

API compatibility

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

DirectX12 (12_0)12 (12_1)
Shader Model6.36.7 (6.4)
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.3
CUDA-7.5

Pros & cons summary


Recency 13 May 2019 15 August 2020
Chip lithography 28 nm 12 nm
Power consumption (TDP) 50 Watt 12 Watt

MX450 12W has an age advantage of 1 year, a 133.3% more advanced lithography process, and 316.7% lower power consumption.

We couldn't decide between Radeon 620 and GeForce MX450 12W. 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 620
Radeon 620
NVIDIA GeForce MX450 12W
GeForce MX450 12W

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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