GeForce 830M and GeForce GT 820M - video card comparison
Passmark - benchmark score GeForce 830M vs GeForce GT 820M
GeForce 830M
1038
GeForce GT 820M
584
GeForce 830M
GeForce GT 820M
Architecture
Maxwell (2014−2018)
Fermi 2.0 (2010−2014)
GPU code name
N15?
GF117
Market segment
Laptop
Desktop
Release date
March 2014
November 2013
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Boost clock speed
1150 MHz
-
Core clock speed
1029 MHz
775 MHz
Floating-point performance
588.8 gflops
297.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
585 million
Pipelines / CUDA cores
256
96
Power consumption (TDP)
33 Watt
15 Watt
Texture fill rate
18.40
12.40
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
14.4 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
+
2.1
OpenCL
1.2
1.1
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-