GeForce 940M and Steam Deck OLED GPU - video card comparison
GeForce 940M
Steam Deck OLED GPU
Architecture
Maxwell (2014−2018)
RDNA 2.0 (2020−2022)
GPU code name
N16S-GT-S/B
Sephiroth
Market segment
Laptop
Desktop
Release date
March 2015
2023
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
-
Boost clock speed
1176 MHz
1600 MHz
Core clock speed
1072 MHz
-
Floating-point performance
903.2 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,870 million
2,400 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
75 Watt
15 Watt
Texture fill rate
28.22
51.20
Memory type
DDR3
LPDDR5
Maximum RAM amount
4 GB
16 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
5.5 GB/s
Memory bandwidth
14.4 GB/s
88 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x USB Type-C
DirectX
12 (11_0)
12 (12_1)
CUDA
+
-
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-