Arc A780 vs Radeon Pro Vega 20

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Primary details

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

Place in the ranking378not rated
Place by popularitynot in top-100not in top-100
Power efficiency9.43no data
ArchitectureGCN 5.0 (2017−2020)Generation 12.7 (2022−2023)
GPU code nameVega 12DG2-512
Market segmentMobile workstationDesktop
Release date14 November 2018 (6 years ago)2022 (2 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 cores12804096
Core clock speed815 MHz2200 MHz
Boost clock speed1283 MHz2200 MHz
Number of transistorsno data21,700 million
Manufacturing process technology14 nm6 nm
Power consumption (TDP)100 Watt200 Watt
Texture fill rate102.6563.2
Floating-point processing power3.284 TFLOPS18.02 TFLOPS
ROPs32128
TMUs80256
Tensor Coresno data512
Ray Tracing Coresno data32

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 sizelargeno data
InterfacePCIe 3.0 x16PCIe 4.0 x16
Widthno data2-slot
Supplementary power connectors1x 6-pin + 1x 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 typeHBM2GDDR6X
Maximum RAM amount4 GB16 GB
Memory bus width1024 Bit256 Bit
Memory clock speed740 MHz1093 MHz
Memory bandwidth189.4 GB/s559.6 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 outputs1x HDMI 2.1, 3x DisplayPort 2.0
HDMI-+

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.36.6
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.3

Pros & cons summary


Maximum RAM amount 4 GB 16 GB
Chip lithography 14 nm 6 nm
Power consumption (TDP) 100 Watt 200 Watt

Pro Vega 20 has 100% lower power consumption.

Arc A780, on the other hand, has a 300% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

We couldn't decide between Radeon Pro Vega 20 and Arc A780. We've got no test results to judge.

Be aware that Radeon Pro Vega 20 is a mobile workstation card while Arc A780 is a desktop 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 Vega 20
Radeon Pro Vega 20
Intel Arc A780
Arc A780

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 87 votes

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3.8 73 votes

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Questions & comments

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