Steam Deck OLED GPU and GeForce RTX 4090 D - video card comparison
Steam Deck OLED GPU
GeForce RTX 4090 D
Architecture
RDNA 2.0 (2020−2022)
Ada Lovelace
GPU code name
Sephiroth
AD102
Market segment
Desktop
Desktop
Release date
2023
December 2023
Interface
-
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
1600 MHz
2520 MHz
Manufacturing process technology
6 nm
5 nm
Number of transistors
2,400 million
76,300 million
Pipelines / CUDA cores
512
14592
Power consumption (TDP)
15 Watt
425 Watt
Texture fill rate
51.20
1,149
Memory type
LPDDR5
GDDR6X
Maximum RAM amount
16 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
5.5 GB/s
21 GB/s
Memory bandwidth
88 GB/s
1,008 GB/s
Display Connectors
1x USB Type-C
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3