GeForce RTX 3080 Max-Q vs Radeon R5 M420

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Primary details

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

Place in performance ranking1000not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN (2011−2017)Ampere (2020−2022)
GPU code nameJetGN20-E7 GA104
Market segmentLaptopLaptop
Release date1 June 2016 (8 years ago)4 January 2021 (3 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores3206144
Core clock speed780 MHz780 MHz
Boost clock speed850 MHz1245 MHz
Number of transistors690 million17,400 million
Manufacturing process technology28 nm8 nm
Power consumption (TDP)no data80 Watt
Texture fill rate17.00239.0
Floating-point performance547.2 gflopsno data

Form factor & compatibility

Information on Radeon R5 M420 and GeForce RTX 3080 Max-Q compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizeno datalarge
InterfacePCIe 3.0 x8PCIe 4.0 x16
Supplementary power connectorsno dataNone

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 amount4 GB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed2000 MHz6000 MHz
Memory bandwidth16 GB/s320.0 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 outputs1x HDMI, 3x DisplayPort
HDMIno data+

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.5
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.2.1311.2
CUDAno data8.6

Pros & cons summary


Recency 1 June 2016 4 January 2021
Maximum RAM amount 4 GB 16 GB
Chip lithography 28 nm 8 nm

We couldn't decide between Radeon R5 M420 and GeForce RTX 3080 Max-Q. 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 R5 M420
Radeon R5 M420
NVIDIA GeForce RTX 3080 Max-Q
GeForce RTX 3080 Max-Q

Comparisons with similar GPUs

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Community ratings

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2.9 103 votes

Rate Radeon R5 M420 on a scale of 1 to 5:

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3.7 34 votes

Rate GeForce RTX 3080 Max-Q on a scale of 1 to 5:

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Questions & comments

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