Radeon RX 5300 XT vs HD 6620G

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Primary details

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

Place in the ranking1120not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.74no data
ArchitectureTeraScale 2 (2009−2015)RDNA 1.0 (2019−2020)
GPU code nameSumoNavi 14
Market segmentDesktopDesktop
Release date7 December 2011 (12 years ago)7 October 2019 (5 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 cores4001024
Core clock speed444 MHz1670 MHz
Boost clock speedno data1845 MHz
Number of transistors1,178 million6,400 million
Manufacturing process technology32 nm7 nm
Power consumption (TDP)35 Watt150 Watt
Texture fill rate8.880118.1
Floating-point processing power0.3552 TFLOPS3.779 TFLOPS
ROPs832
TMUs2064

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).

InterfaceIGPPCIe 4.0 x8
WidthIGP2-slot
Supplementary power connectorsno data1x 6-pin

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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1750 MHz
Memory bandwidthno data112.0 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
HDMI-+

API compatibility

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

DirectX11.2 (11_0)12 (12_1)
Shader Model5.06.5
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Pros & cons summary


Recency 7 December 2011 7 October 2019
Chip lithography 32 nm 7 nm
Power consumption (TDP) 35 Watt 150 Watt

HD 6620G has 328.6% lower power consumption.

RX 5300 XT, on the other hand, has an age advantage of 7 years, and a 357.1% more advanced lithography process.

We couldn't decide between Radeon HD 6620G and Radeon RX 5300 XT. 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 6620G
Radeon HD 6620G
AMD Radeon RX 5300 XT
Radeon RX 5300 XT

Comparisons with similar GPUs

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Community ratings

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2.5 85 votes

Rate Radeon HD 6620G on a scale of 1 to 5:

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2.9 21 vote

Rate Radeon RX 5300 XT on a scale of 1 to 5:

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Questions & comments

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