GeForce 840M and Switch GPU - video card comparison
GeForce 840M
Switch GPU
Architecture
Maxwell (2014−2018)
Maxwell 2.0 (2015−2019)
GPU code name
N15S-GT
GM20B
Market segment
Laptop
Desktop
Release date
March 2014
March 2017
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x8
IGP
Supplementary power connectors
-
None
Boost clock speed
1124 MHz
768 MHz
Core clock speed
1029 MHz
-
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
20 nm
Number of transistors
-
2,000 million
Pipelines / CUDA cores
384
256
Power consumption (TDP)
33 Watt
15 Watt
Texture fill rate
17.98
12.29
Memory type
DDR3
DDR4
Maximum RAM amount
4 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
3200 MHz
Memory bandwidth
16.02 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
+
5.3
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1.126
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-