Radeon RX 6300M vs RX 455 OEM

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
ArchitectureGCN 2.0 (2013−2017)RDNA 2.0 (2020−2024)
GPU code nameTobagoNavi 24
Market segmentDesktopLaptop
Release date30 June 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 cores768768
Core clock speed1050 MHz2000 MHz
Boost clock speedno data2400 MHz
Number of transistors2,080 million5,400 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)100 Watt35 Watt
Texture fill rate50.40115.2
Floating-point processing power1.613 TFLOPS3.686 TFLOPS
ROPs1632
TMUs4848
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).

InterfacePCIe 3.0 x16PCIe 4.0 x4
Length165 mmno data
Width1-slotno data
Supplementary power connectors1x 6-pinNone

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 amount2 GB2 GB
Memory bus width128 Bit32 Bit
Memory clock speed1625 MHz2250 MHz
Memory bandwidth104.0 GB/s72 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 Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.36.6
OpenGL4.64.6
OpenCL2.02.2
Vulkan1.2.1311.3

Pros & cons summary


Recency 30 June 2016 4 January 2022
Chip lithography 28 nm 6 nm
Power consumption (TDP) 100 Watt 35 Watt

RX 6300M has an age advantage of 5 years, a 366.7% more advanced lithography process, and 185.7% lower power consumption.

We couldn't decide between Radeon RX 455 OEM and Radeon RX 6300M. We've got no test results to judge.

Be aware that Radeon RX 455 OEM is a desktop card while Radeon RX 6300M is a notebook one.


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 455 OEM
Radeon RX 455 OEM
AMD Radeon RX 6300M
Radeon RX 6300M

Comparisons with similar GPUs

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Community ratings

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3 2 votes

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3.5 11 votes

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Questions & comments

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