RTX A4000 Max-Q vs L40

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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
ArchitectureAda Lovelace (2022−2024)Ampere (2020−2024)
GPU code nameAD102GA104
Market segmentWorkstationMobile workstation
Release date13 October 2022 (2 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 cores181765120
Core clock speed735 MHz780 MHz
Boost clock speed2490 MHz1395 MHz
Number of transistors76,300 million17,400 million
Manufacturing process technology4 nm8 nm
Power consumption (TDP)300 Watt80 Watt
Texture fill rate1,414223.2
Floating-point processing power90.52 TFLOPS14.28 TFLOPS
ROPs19280
TMUs568160
Tensor Cores568160
Ray Tracing Cores14240

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 4.0 x16
Length267 mmno data
Width2-slotno data
Supplementary power connectors1x 16-pinNone

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 typeGDDR6GDDR6
Maximum RAM amount48 GB8 GB
Memory bus width384 Bit256 Bit
Memory clock speed2250 MHz1375 MHz
Memory bandwidth864.0 GB/s352.0 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 Connectors4x DisplayPort 1.4aPortable Device Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.76.7
OpenGL4.64.6
OpenCL3.03.0
Vulkan1.31.3
CUDA8.98.6

Pros & cons summary


Recency 13 October 2022 12 April 2021
Maximum RAM amount 48 GB 8 GB
Chip lithography 4 nm 8 nm
Power consumption (TDP) 300 Watt 80 Watt

L40 has an age advantage of 1 year, a 500% higher maximum VRAM amount, and a 100% more advanced lithography process.

RTX A4000 Max-Q, on the other hand, has 275% lower power consumption.

We couldn't decide between L40 and RTX A4000 Max-Q. We've got no test results to judge.

Be aware that L40 is a workstation card while RTX A4000 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 L40
L40
NVIDIA RTX A4000 Max-Q
RTX A4000 Max-Q

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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