GeForce 920M and GeForce GT 650M Mac Edition - video card comparison
GeForce 920M
GeForce GT 650M Mac Edition
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
N16V-GM-S
GK107
Market segment
Laptop
Desktop
Release date
January 2015
July 2012
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Core clock speed
954 MHz
900 MHz
Floating-point performance
297.6 gflops
691.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
915 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
33 Watt
45 Watt
Texture fill rate
30.53
28.80
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
5016 MHz
Memory bandwidth
14.4 GB/s
80.26 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
+
3.0
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-