GeForce GTX 670M and HD Graphics 620 - video card comparison
Passmark - benchmark score GeForce GTX 670M vs HD Graphics 620
GeForce GTX 670M
1788
HD Graphics 620
963
GeForce GTX 670M
HD Graphics 620
Architecture
Fermi (2010−2014)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
N13E-GS1-LP
Kaby-Lake GT2
Market segment
Laptop
Laptop
Release date
March 2012
August 2016
Bus support
PCI Express 2.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x1
SLI options
+
-
Boost clock speed
-
1050 MHz
Core clock speed
598 MHz
300 MHz
CUDA cores
336
-
Floating-point performance
803.7 gflops
403.2 gflops
Manufacturing process technology
40 nm
14 nm
Number of transistors
1,950 million
189 million
Pipelines / CUDA cores
336
24
Power consumption (TDP)
75 Watt
15 Watt
Texture fill rate
33.5 billion/sec
25.20
Memory type
GDDR5
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
3 GB
32 GB
Memory bus width
192bit
64/128 Bit
Memory clock speed
1500 MHz
System Shared
Memory bandwidth
72.0 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (12_1)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
N/A
+
Optimus
+
-
Quick Sync
-
+