Radeon 620 vs R5 A330

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Primary details

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

Place in the rankingnot rated847
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.22
ArchitectureGCN 1.0 (2011−2020)GCN 3.0 (2014−2019)
GPU code nameExoPolaris 24
Market segmentLaptopLaptop
Release date21 October 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 cores320384
Core clock speed1030 MHz730 MHz
Boost clock speedno data1024 MHz
Number of transistors690 million1,550 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)no data50 Watt
Texture fill rate20.6024.58
Floating-point processing power0.6592 TFLOPS0.7864 TFLOPS
ROPs88
TMUs2024

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 x8PCIe 3.0 x8
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 typeDDR3DDR3
Maximum RAM amount2 GB2 GB
Memory bus width64 Bit64 Bit
Memory clock speed900 MHz900 MHz
Memory bandwidth14.4 GB/s14.4 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 (11_1)12 (12_0)
Shader Model5.06.3
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 21 October 2015 13 May 2019

Radeon 620 has an age advantage of 3 years.

We couldn't decide between Radeon R5 A330 and Radeon 620. 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 R5 A330
Radeon R5 A330
AMD Radeon 620
Radeon 620

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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