GeForce 920M and GeForce 8600M GT Mac Edition - video card comparison
GeForce 920M
GeForce 8600M GT Mac Edition
Architecture
Kepler (2012−2018)
Tesla (2006−2010)
GPU code name
N16V-GM-S
G84
Market segment
Laptop
Desktop
Release date
January 2015
October 2007
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x8
MXM-II
Core clock speed
954 MHz
470 MHz
Floating-point performance
297.6 gflops
60.16 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
915 million
289 million
Pipelines / CUDA cores
384
32
Power consumption (TDP)
33 Watt
20 Watt
Texture fill rate
30.53
7.520
Memory type
DDR3
GDDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
1270 MHz
Memory bandwidth
14.4 GB/s
20.32 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
11.1 (10_0)
CUDA
+
1.1
OpenCL
1.2
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-