Radeon 620 vs Pro 575X

Primary details

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

Place in the rankingnot rated845
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.21
ArchitectureGCN 4.0 (2016−2020)GCN 3.0 (2014−2019)
GPU code namePolaris 20Polaris 24
Market segmentMobile workstationLaptop
Release date18 March 2019 (5 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 cores2048384
Core clock speed1096 MHz730 MHz
Boost clock speedno data1024 MHz
Number of transistors5,700 million1,550 million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)120 Watt50 Watt
Texture fill rate140.324.58
Floating-point processing power4.489 TFLOPS0.7864 TFLOPS
ROPs328
TMUs12824

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 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 typeGDDR5DDR3
Maximum RAM amount4 GB2 GB
Memory bus width256 Bit64 Bit
Memory clock speed1700 MHz900 MHz
Memory bandwidth217.6 GB/s14.4 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 outputsNo outputs

API compatibility

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

DirectX12 (12_0)12 (12_0)
Shader Model6.46.3
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 18 March 2019 13 May 2019
Maximum RAM amount 4 GB 2 GB
Chip lithography 14 nm 28 nm
Power consumption (TDP) 120 Watt 50 Watt

Pro 575X has a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

Radeon 620, on the other hand, has an age advantage of 1 month, and 140% lower power consumption.

We couldn't decide between Radeon Pro 575X and Radeon 620. We've got no test results to judge.

Be aware that Radeon Pro 575X is a mobile workstation card while Radeon 620 is a mobile workstation 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 Pro 575X
Radeon Pro 575X
AMD Radeon 620
Radeon 620

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.6 23 votes

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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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