Radeon Pro Vega 20 vs RX Vega 64 Liquid Cooling

Primary details

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

Place in the rankingnot rated376
Place by popularitynot in top-100not in top-100
Power efficiencyno data9.51
ArchitectureGCN 5.0 (2017−2020)GCN 5.0 (2017−2020)
GPU code nameVega 10Vega 12
Market segmentDesktopMobile workstation
Release date7 August 2017 (7 years ago)14 November 2018 (6 years ago)
Launch price (MSRP)$699 no data

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 cores40961280
Core clock speed1408 MHz815 MHz
Boost clock speed1668 MHz1283 MHz
Number of transistors12,500 millionno data
Manufacturing process technology14 nm14 nm
Power consumption (TDP)345 Watt100 Watt
Texture fill rate427.0102.6
Floating-point processing power13.66 TFLOPS3.284 TFLOPS
ROPs6432
TMUs25680

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).

Laptop sizeno datalarge
InterfacePCIe 3.0 x16PCIe 3.0 x16
Length282 mmno data
Width2-slotno data
Supplementary power connectors2x 8-pin1x 6-pin + 1x 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 typeHBM2HBM2
Maximum RAM amount8 GB4 GB
Memory bus width2048 Bit1024 Bit
Memory clock speed945 MHz740 MHz
Memory bandwidth483.8 GB/s189.4 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 Connectors1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_1)12 (12_1)
Shader Model6.46.3
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.1.1251.2.131

Pros & cons summary


Recency 7 August 2017 14 November 2018
Maximum RAM amount 8 GB 4 GB
Power consumption (TDP) 345 Watt 100 Watt

RX Vega 64 Liquid Cooling has a 100% higher maximum VRAM amount.

Pro Vega 20, on the other hand, has an age advantage of 1 year, and 245% lower power consumption.

We couldn't decide between Radeon RX Vega 64 Liquid Cooling and Radeon Pro Vega 20. We've got no test results to judge.

Be aware that Radeon RX Vega 64 Liquid Cooling is a desktop card while Radeon Pro Vega 20 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.

Vote for your favorite

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AMD Radeon RX Vega 64 Liquid Cooling
Radeon RX Vega 64 Liquid Cooling
AMD Radeon Pro Vega 20
Radeon Pro Vega 20

Comparisons with similar GPUs

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Community ratings

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4.5 22 votes

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3.9 86 votes

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Questions & comments

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