Quadro P520 Max-Q vs A40 PCIe

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureAmpere (2020−2024)Pascal (2016−2021)
GPU code nameGA102GP108
Market segmentWorkstationMobile workstation
Release date5 October 2020 (4 years ago)23 May 2019 (5 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 cores10752384
Core clock speed1305 MHz1303 MHz
Boost clock speed1755 MHz1493 MHz
Number of transistors28,300 million1,800 million
Manufacturing process technology8 nm14 nm
Power consumption (TDP)300 Watt18 Watt
Texture fill rate589.735.83
Floating-point processing power37.74 TFLOPS1.147 TFLOPS
ROPs11216
TMUs33624
Tensor Cores336no data
Ray Tracing Cores84no data

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 4.0 x16PCIe 3.0 x16
Length267 mmno data
Width2-slotno data
Supplementary power connectors8-pin EPSNone

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 typeGDDR6GDDR5
Maximum RAM amount48 GB4 GB
Memory bus width384 Bit64 Bit
Memory clock speed1812 MHz1375 MHz
Memory bandwidth695.8 GB/s44 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 Connectors3x DisplayPortPortable Device Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_1)
Shader Model6.56.7 (6.4)
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.21.3
CUDA8.66.1

Pros & cons summary


Recency 5 October 2020 23 May 2019
Maximum RAM amount 48 GB 4 GB
Chip lithography 8 nm 14 nm
Power consumption (TDP) 300 Watt 18 Watt

A40 PCIe has an age advantage of 1 year, a 1100% higher maximum VRAM amount, and a 75% more advanced lithography process.

P520 Max-Q, on the other hand, has 1566.7% lower power consumption.

We couldn't decide between A40 PCIe and Quadro P520 Max-Q. We've got no test results to judge.

Be aware that A40 PCIe is a workstation card while Quadro P520 Max-Q 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.

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NVIDIA A40 PCIe
A40 PCIe
NVIDIA Quadro P520 Max-Q
Quadro P520 Max-Q

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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