L20 vs GeForce RTX 4070 Mobile

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Primary details

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

Place in the ranking54not rated
Place by popularitynot in top-100not in top-100
Power efficiency30.43no data
ArchitectureAda Lovelace (2022−2024)Ada Lovelace (2022−2024)
GPU code nameAD106AD102
Market segmentLaptopWorkstation
Release date3 January 2023 (1 year ago)16 November 2023 (1 year 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 cores460811776
Core clock speed1395 MHz1440 MHz
Boost clock speed1695 MHz2520 MHz
Number of transistorsno data76,300 million
Manufacturing process technology4 nm5 nm
Power consumption (TDP)115 Watt275 Watt
Texture fill rate244.1927.4
Floating-point processing power15.62 TFLOPS59.35 TFLOPS
ROPs48128
TMUs144368
Tensor Cores144368
Ray Tracing Cores3692

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 4.0 x16PCIe 4.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data1x 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 amount8 GB48 GB
Memory bus width128 Bit384 Bit
Memory clock speed2000 MHz2250 MHz
Memory bandwidth256.0 GB/s864.0 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 ConnectorsPortable Device Dependent4x DisplayPort 1.4a

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


Recency 3 January 2023 16 November 2023
Maximum RAM amount 8 GB 48 GB
Chip lithography 4 nm 5 nm
Power consumption (TDP) 115 Watt 275 Watt

RTX 4070 Mobile has a 25% more advanced lithography process, and 139.1% lower power consumption.

L20, on the other hand, has an age advantage of 10 months, and a 500% higher maximum VRAM amount.

We couldn't decide between GeForce RTX 4070 Mobile and L20. We've got no test results to judge.

Be aware that GeForce RTX 4070 Mobile is a notebook card while L20 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 GeForce RTX 4070 Mobile
GeForce RTX 4070 Mobile
NVIDIA L20
L20

Comparisons with similar GPUs

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Community ratings

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4 1750 votes

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2.7 19 votes

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