Radeon RX 6300 vs HD 8490 OEM

Primary details

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

Place in the rankingnot rated369
Place by popularitynot in top-100not in top-100
Power efficiencyno data30.33
ArchitectureTeraScale 2 (2009−2015)RDNA 2.0 (2020−2024)
GPU code nameCaicosNavi 24
Market segmentDesktopDesktop
Release date23 July 2013 (11 years ago)no data (2024 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 cores160768
Core clock speed875 MHz1000 MHz
Boost clock speedno data2040 MHz
Number of transistors370 million5,400 million
Manufacturing process technology40 nm6 nm
Power consumption (TDP)35 Watt32 Watt
Texture fill rate7.00097.92
Floating-point processing power0.28 TFLOPS3.133 TFLOPS
ROPs432
TMUs848
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 2.0 x16PCIe 4.0 x4
Length168 mmno data
Width1-slotIGP
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 amount1 GB2 GB
Memory bus width64 Bit32 Bit
Memory clock speed900 MHz2000 MHz
Memory bandwidth14.4 GB/s64 GB/s

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 DisplayPort2x HDMI 2.1
HDMI-+

API compatibility

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

DirectX11.2 (11_0)12 Ultimate (12_2)
Shader Model5.06.7
OpenGL4.44.6
OpenCL1.22.2
VulkanN/A1.3

Pros & cons summary


Maximum RAM amount 1 GB 2 GB
Chip lithography 40 nm 6 nm
Power consumption (TDP) 35 Watt 32 Watt

RX 6300 has a 100% higher maximum VRAM amount, a 566.7% more advanced lithography process, and 9.4% lower power consumption.

We couldn't decide between Radeon HD 8490 OEM and Radeon RX 6300. 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 HD 8490 OEM
Radeon HD 8490 OEM
AMD Radeon RX 6300
Radeon RX 6300

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Community ratings

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3.9 356 votes

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3.8 27 votes

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

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Questions & comments

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