GeForce GT 745A and GeForce 840A - video card comparison
Passmark - benchmark score GeForce GT 745A vs GeForce 840A
GeForce GT 745A
1265
GeForce 840A
1214
GeForce GT 745A
GeForce 840A
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
GK107
GM108
Market segment
Desktop
Desktop
Release date
August 2013
March 2014
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Boost clock speed
915 MHz
1124 MHz
Core clock speed
837 MHz
1029 MHz
Floating-point performance
642.8 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
-
Pipelines / CUDA cores
384
384
Power consumption (TDP)
33 Watt
33 Watt
Texture fill rate
29.28
17.98
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
2002 MHz
Memory bandwidth
28.8 GB/s
16.02 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
5.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126