RTX A4000H vs Quadro P520

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Primary details

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

Place in the ranking612not rated
Place by popularitynot in top-100not in top-100
Power efficiency20.70no data
ArchitecturePascal (2016−2021)Ampere (2020−2024)
GPU code nameGP108GA104
Market segmentMobile workstationWorkstation
Release date23 May 2019 (5 years ago)12 April 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 cores3846144
Core clock speed1303 MHz735 MHz
Boost clock speed1493 MHz1560 MHz
Number of transistors1,800 million17,400 million
Manufacturing process technology14 nm8 nm
Power consumption (TDP)18 Watt140 Watt
Texture fill rate35.83299.5
Floating-point processing power1.147 TFLOPS19.17 TFLOPS
ROPs1696
TMUs24192
Tensor Coresno data192
Ray Tracing Coresno data48

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
Lengthno data241 mm
Widthno data1-slot
Supplementary power connectorsNone1x 6-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 typeGDDR5GDDR6
Maximum RAM amount2 GB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed1502 MHz1750 MHz
Memory bandwidth48.06 GB/s448.0 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 outputs4x DisplayPort 1.4a

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.2.1311.3
CUDA6.18.6

Pros & cons summary


Recency 23 May 2019 12 April 2021
Maximum RAM amount 2 GB 16 GB
Chip lithography 14 nm 8 nm
Power consumption (TDP) 18 Watt 140 Watt

Quadro P520 has 677.8% lower power consumption.

RTX A4000H, on the other hand, has an age advantage of 1 year, a 700% higher maximum VRAM amount, and a 75% more advanced lithography process.

We couldn't decide between Quadro P520 and RTX A4000H. We've got no test results to judge.

Be aware that Quadro P520 is a mobile workstation card while RTX A4000H 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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NVIDIA Quadro P520
Quadro P520
NVIDIA RTX A4000H
RTX A4000H

Comparisons with similar GPUs

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Community ratings

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