GeForce 840A and GeForce 830M - video card comparison
Passmark - benchmark score GeForce 840A vs GeForce 830M
GeForce 840A
1214
GeForce 830M
1038
GeForce 840A
GeForce 830M
Architecture
Maxwell (2014−2018)
Maxwell (2014−2018)
GPU code name
GM108
N15?
Market segment
Desktop
Laptop
Release date
March 2014
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Boost clock speed
1124 MHz
1150 MHz
Core clock speed
1029 MHz
1029 MHz
Floating-point performance
863.2 gflops
588.8 gflops
Manufacturing process technology
28 nm
28 nm
Pipelines / CUDA cores
384
256
Power consumption (TDP)
33 Watt
33 Watt
Texture fill rate
17.98
18.40
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2002 MHz
1800 MHz
Memory bandwidth
16.02 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
5.0
+
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+