Radeon 620 vs R3 Graphics

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Primary details

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

Place in the rankingnot rated848
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.21
ArchitectureGCN 2.0 (2013−2017)GCN 3.0 (2014−2019)
GPU code nameBeemaPolaris 24
Market segmentDesktopLaptop
Release date28 January 2015 (9 years ago)13 May 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 cores128384
Core clock speed267 MHz730 MHz
Boost clock speed600 MHz1024 MHz
Number of transistors930 million1,550 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)15 Watt50 Watt
Texture fill rate4.80024.58
Floating-point processing power0.1536 TFLOPS0.7864 TFLOPS
ROPs48
TMUs824

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 3.0 x8
WidthIGPno data
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 typeSystem SharedDDR3
Maximum RAM amountSystem Shared2 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared900 MHz
Memory bandwidthno data14.4 GB/s
Shared memoryno data-

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 outputsNo outputs

API compatibility

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

DirectX12 (12_0)12 (12_0)
Shader Model6.36.3
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 28 January 2015 13 May 2019
Power consumption (TDP) 15 Watt 50 Watt

R3 Graphics has 233.3% lower power consumption.

Radeon 620, on the other hand, has an age advantage of 4 years.

We couldn't decide between Radeon R3 Graphics and Radeon 620. We've got no test results to judge.

Be aware that Radeon R3 Graphics is a desktop card while Radeon 620 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 R3 Graphics
Radeon R3 Graphics
AMD Radeon 620
Radeon 620

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.


2.9 696 votes

Rate Radeon R3 Graphics on a scale of 1 to 5:

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3.2 65 votes

Rate Radeon 620 on a scale of 1 to 5:

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Questions & comments

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