GeForce RTX 4090 D and L20 - video card comparison
GeForce RTX 4090 D
L20
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
AD102
AD102
Market segment
Desktop
Desktop
Release date
December 2023
November 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 16-pin
1x 16-pin
Boost clock speed
2520 MHz
2520 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
76,300 million
76,300 million
Pipelines / CUDA cores
14592
11776
Power consumption (TDP)
425 Watt
275 Watt
Texture fill rate
1,149
927.4
Memory type
GDDR6X
GDDR6
Maximum RAM amount
24 GB
48 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
21 GB/s
18 GB/s
Memory bandwidth
1,008 GB/s
864.0 GB/s
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
4x DisplayPort 1.4a
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
8.9
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3