
GeForce 840A and A10 PCIe - video card comparison
GeForce 840A
A10 PCIe
Architecture
Maxwell (2014−2018)
Ampere (2020−2022)
GPU code name
GM108
GA102
Market segment
Desktop
Desktop
Release date
March 2014
April 2021
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
-
8-pin EPS
Boost clock speed
1124 MHz
1695 MHz
Core clock speed
1029 MHz
-
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
-
28,300 million
Pipelines / CUDA cores
384
9216
Power consumption (TDP)
33 Watt
150 Watt
Texture fill rate
17.98
488.2
Memory type
DDR3
GDDR6
Maximum RAM amount
2 GB
24 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
2002 MHz
12.5 GB/s
Memory bandwidth
16.02 GB/s
600.2 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
5.0
8.6
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.2