Radeon Pro V620 vs Pro V340 MxGPU

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Primary details

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

Place in the ranking533not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.69no data
ArchitectureGCN 5.0 (2017−2020)RDNA 2.0 (2020−2024)
GPU code nameVega 10Navi 21
Market segmentWorkstationWorkstation
Release date26 August 2018 (6 years ago)4 November 2021 (3 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 cores35844608
Core clock speed1000 MHz1825 MHz
Boost clock speed1500 MHz2200 MHz
Number of transistors12,500 million26,800 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)300 Watt300 Watt
Texture fill rate336.0633.6
Floating-point processing power10.75 TFLOPS20.28 TFLOPS
ROPs64128
TMUs224288
Ray Tracing Coresno data72

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 4.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors2x 8-pin2x 8-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 typeHBM2GDDR6
Maximum RAM amount16 GB32 GB
Memory bus width2048 Bit256 Bit
Memory clock speed1000 MHz2000 MHz
Memory bandwidth512.0 GB/s512.0 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.1.1251.2

Pros & cons summary


Recency 26 August 2018 4 November 2021
Maximum RAM amount 16 GB 32 GB
Chip lithography 14 nm 7 nm

Pro V620 has an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon Pro V340 MxGPU and Radeon Pro V620. 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 Pro V340 MxGPU
Radeon Pro V340 MxGPU
AMD Radeon Pro V620
Radeon Pro V620

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