Radeon RX 6300M vs RX 490M

Primary details

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

Place in the rankingnot rated324
Place by popularitynot in top-100not in top-100
Power efficiencyno data32.88
ArchitecturePolaris (2016−2019)RDNA 2.0 (2020−2024)
GPU code namePolarisNavi 24
Market segmentLaptopLaptop
Release date1 August 2016 (8 years ago)4 January 2022 (2 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 coresno data768
Core clock speedno data2000 MHz
Boost clock speedno data2400 MHz
Number of transistorsno data5,400 million
Manufacturing process technology14 nm6 nm
Power consumption (TDP)no data35 Watt
Texture fill rateno data115.2
Floating-point processing powerno data3.686 TFLOPS
ROPsno data32
TMUsno data48
Ray Tracing Coresno data12

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 sizelargeno data
Interfaceno dataPCIe 4.0 x4
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 typeGDDR5GDDR6
Maximum RAM amountno data2 GB
Memory bus widthno data32 Bit
Memory clock speedno data2250 MHz
Memory bandwidthno data72 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 dataNo outputs

API compatibility

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

DirectX1212 Ultimate (12_2)
Shader Modelno data6.6
OpenGLno data4.6
OpenCLno data2.2
Vulkan-1.3

Pros & cons summary


Recency 1 August 2016 4 January 2022
Chip lithography 14 nm 6 nm

RX 6300M has an age advantage of 5 years, and a 133.3% more advanced lithography process.

We couldn't decide between Radeon RX 490M and Radeon RX 6300M. 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 RX 490M
Radeon RX 490M
AMD Radeon RX 6300M
Radeon RX 6300M

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.


2.7 7 votes

Rate Radeon RX 490M on a scale of 1 to 5:

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3.5 11 votes

Rate Radeon RX 6300M on a scale of 1 to 5:

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Questions & comments

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