L40S vs L40 CNX

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Primary details

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

Place in the rankingnot rated84
Place by popularitynot in top-100not in top-100
Power efficiencyno data10.07
ArchitectureAda Lovelace (2022−2024)Ada Lovelace (2022−2024)
GPU code nameAD102AD102
Market segmentWorkstationWorkstation
Release date13 October 2022 (2 years ago)13 October 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 cores1817618176
Core clock speed1005 MHz1110 MHz
Boost clock speed2475 MHz2520 MHz
Number of transistors76,300 million76,300 million
Manufacturing process technology4 nm5 nm
Power consumption (TDP)300 Watt300 Watt
Texture fill rate1,4061,431
Floating-point processing power89.97 TFLOPS91.61 TFLOPS
ROPs192192
TMUs568568
Tensor Cores568568
Ray Tracing Cores142142

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 mm267 mm
Width2-slot2-slot
Supplementary power connectors1x 16-pin1x 16-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 typeGDDR6GDDR6
Maximum RAM amount24 GB48 GB
Memory bus width384 Bit384 Bit
Memory clock speed2250 MHz2250 MHz
Memory bandwidth864.0 GB/s864.0 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 Connectors1x HDMI 2.1, 3x DisplayPort 1.4a1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI++

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
CUDA8.98.9

Pros & cons summary


Maximum RAM amount 24 GB 48 GB
Chip lithography 4 nm 5 nm

L40 CNX has a 25% more advanced lithography process.

L40S, on the other hand, has a 100% higher maximum VRAM amount.

We couldn't decide between L40 CNX and L40S. We've got no test results to judge.


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 CNX
L40 CNX
NVIDIA L40S
L40S

Comparisons with similar GPUs

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Community ratings

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3.3 7 votes

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4.3 28 votes

Rate L40S on a scale of 1 to 5:

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Questions & comments

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