GeForce 840M and RTX A1000 Mobile 6 GB - video card comparison
GeForce 840M
RTX A1000 Mobile 6 GB
Architecture
Maxwell (2014−2018)
Ampere (2020−2022)
GPU code name
N15S-GT
GA107
Market segment
Laptop
Laptop
Release date
March 2014
March 2022
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Boost clock speed
1124 MHz
1140 MHz
Core clock speed
1029 MHz
-
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
-
8,700 million
Pipelines / CUDA cores
384
2048
Power consumption (TDP)
33 Watt
60 Watt
Texture fill rate
17.98
72.96
Memory type
DDR3
GDDR6
Maximum RAM amount
4 GB
6 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
2000 MHz
11 GB/s
Memory bandwidth
16.02 GB/s
264.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.2
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-