GeForce 945M and GeForce GT 650M SLI - video card comparison
GeForce 945M
GeForce GT 650M SLI
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
GM107
N13E-GE
Market segment
Laptop
Laptop
Release date
March 2015
March 2012
Bus support
PCI Express 3.0
-
Interface
MXM-B (3.0)
-
Supplementary power connectors
None
-
Boost clock speed
1045 MHz
835 MHz
Core clock speed
928 MHz
790 MHz
Floating-point performance
953.9 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
-
Pipelines / CUDA cores
512
768
Power consumption (TDP)
75 Watt
-
Texture fill rate
40.80
-
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
2x2 GB
Memory bus width
128 Bit
2x 128 Bit
Memory clock speed
2000 MHz
4000 MHz
Memory bandwidth
28.8 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
-
DirectX
12 (11_0)
11
CUDA
+
+
OpenCL
1.2
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
1.1.126
-
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
+