RTX A40 vs Radeon RX Vega 8 (Ryzen 4000/5000)

Primary details

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

Place in the ranking479not rated
Place by popularity29not in top-100
Power efficiency41.89no data
ArchitectureVega (2017−2020)Ampere (2020−2024)
GPU code nameVegaGA102
Market segmentLaptopWorkstation
Release date7 January 2020 (4 years ago)5 October 2020 (4 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 cores51210752
Core clock speedno data1305 MHz
Boost clock speed2100 MHz1755 MHz
Number of transistorsno data28,300 million
Manufacturing process technology7 nm8 nm
Power consumption (TDP)15 Watt300 Watt
Texture fill rateno data589.7
Floating-point processing powerno data37.74 TFLOPS
ROPsno data112
TMUsno data336
Tensor Coresno data336
Ray Tracing Coresno data84

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).

Interfaceno dataPCIe 4.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data8-pin EPS

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 typeno dataGDDR6
Maximum RAM amountno data48 GB
Memory bus widthno data384 Bit
Memory clock speedno data1812 MHz
Memory bandwidthno data695.8 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 data3x DisplayPort

API compatibility

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

DirectX12_112 Ultimate (12_2)
Shader Modelno data6.5
OpenGLno data4.6
OpenCLno data2.0
Vulkan-1.2
CUDA-8.6

Pros & cons summary


Recency 7 January 2020 5 October 2020
Chip lithography 7 nm 8 nm
Power consumption (TDP) 15 Watt 300 Watt

RX Vega 8 (Ryzen 4000/5000) has a 14.3% more advanced lithography process, and 1900% lower power consumption.

RTX A40, on the other hand, has an age advantage of 8 months.

We couldn't decide between Radeon RX Vega 8 (Ryzen 4000/5000) and RTX A40. We've got no test results to judge.

Be aware that Radeon RX Vega 8 (Ryzen 4000/5000) is a notebook card while RTX A40 is a 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 RX Vega 8 (Ryzen 4000/5000)
Radeon RX Vega 8 (Ryzen 4000/5000)
NVIDIA RTX A40
RTX A40

Comparisons with similar GPUs

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Community ratings

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3.8 1117 votes

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Questions & comments

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