
GeForce 945M and GeForce GTX 670MX - video card comparison
Passmark - benchmark score GeForce 945M vs GeForce GTX 670MX
GeForce 945M
2171
GeForce GTX 670MX
2005
GeForce 945M
GeForce GTX 670MX
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
GM107
N13E-GR
Market segment
Laptop
Laptop
Release date
March 2015
October 2012
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
SLI options
-
+
Boost clock speed
1045 MHz
-
Core clock speed
928 MHz
600 MHz
CUDA cores
-
960
Floating-point performance
953.9 gflops
1,154 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
3,540 million
Pipelines / CUDA cores
512
960
Power consumption (TDP)
75 Watt
75 Watt
Texture fill rate
40.80
48.0 billion/sec
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
2000 MHz
1400 MHz
Memory bandwidth
28.8 GB/s
67.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (11_0)
12 API
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
+