
Radeon RX 7990 XTX and L40S - video card comparison
Radeon RX 7990 XTX
L40S
Architecture
RDNA 3.0 (2022)
Ada Lovelace
GPU code name
Navi 31
AD102
Market segment
Desktop
Desktop
Release date
2023
October 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
3x 8-pin
1x 16-pin
Boost clock speed
3599 MHz
2520 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
57,700 million
76,300 million
Pipelines / CUDA cores
6144
18176
Power consumption (TDP)
405 Watt
300 Watt
Texture fill rate
1,382
1,431
Memory type
GDDR6
GDDR6
Maximum RAM amount
24 GB
48 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
24 GB/s
18 GB/s
Memory bandwidth
1,152 GB/s
864.0 GB/s
Display Connectors
1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.2
3.0
OpenGL
4.6
4.6
Shader Model
6.7
6.7
Vulkan
1.3
1.3