L20

Ada Lovelace NVIDIA L-Series Data Center GDDR6 2023 NVIDIA

Key Metrics

Architecture: Ada Lovelace
Launch Date: 2023-11-16
CUDA Cores: 11,776
Memory: 48 GB GDDR6
Memory Bandwidth: 864 GB/s
TDP/TBP: 275 W
Interface: PCIe 4.0 x16

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GPU Specs

Identity
Entry Type	Data Center GPU
Official Name	NVIDIA L20
GPU Codename	AD102
Architecture	Ada Lovelace
Launch Date	2023-11-16
Market Segment Notes	Data Center in NVIDIA L-Series
Core Specs
GPU Die	AD102
Process Node	TSMC 5 nm
Transistor Count	76.3 billion
Die Size	609 mm²
CUDA Cores	11776
SM Count	92
TMUs	368
ROPs	128
AI Units / Tensor Cores	368
RT Units / RT Cores	92
Base Clock	1,440 MHz
Boost Clock	2,520 MHz
Pixel Fillrate	322.6 GP/s
Texture Fillrate	927.4 GT/s
FP32 Throughput	59.35 TFLOPS
FP16 Throughput	59.35 TFLOPS
FP64 Throughput	0.93 TFLOPS
Memory
Memory Size	48 GB
Memory Type	GDDR6
Memory Bus Width	384-bit
Memory Clock	2,250 MHz
Memory Bandwidth	864 GB/s
L2 Cache	96 MB
L1 Cache	128 KB
Board and Display
TDP / TBP	275 W
Recommended PSU	600 W
Power Connectors	1x 16-pin
Interface	PCIe 4.0 x16
Display Outputs	4x DisplayPort 1.4a
Slot Width	Dual-slot, 267 mm length
Card Length	267 mm
Board Partner Model	Reference or OEM specification
Reference Design	NVIDIA reference design
Software
CUDA Compute Capability	8.9
Shader Model	6.8
DirectX Support	DirectX 12.2
Vulkan Support	Vulkan 1.4
OpenGL Support	OpenGL 4.6
OpenCL Support	OpenCL 3.0

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Why It Mattered

L20 is a NVIDIA L-Series accelerator from the Ada Lovelace generation. Its historical context is data-center deployment rather than gaming, so form factor, memory capacity, interconnect, virtualization features, and server compatibility are the details that make this entry useful.

Sources

Sources reviewed: 2026-06-20

This entry is still being source-checked.

Specifications are currently based on reference/spec-dump sources. Historical notes require additional source review.

Data confidence and source status

Partial entry. Core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.

Verified: core specifications and historical notes have been reviewed against listed sources.
Partial: core specifications may be present, but history, variant notes, known issues, and source review may be incomplete.
Imported: spec-only imported entry pending editorial source review.
Needs source review: narrative notes are incomplete until reviewed.

Independent reference sources

TechPowerUp GPU SpecsModel-level specification reference for this GPU entryOpen source

Derived datasets and spec dumps

RightNow GPU DatabaseOpen data inventory used for bulk normalization and cross-checking Derived/spec-dump source. Treat as a reference dataset, not independent historical verification.Open source

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Why It Mattered

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Independent reference sources

Derived datasets and spec dumps