GeForce GTX 680MX and HD Graphics 620 - video card comparison
Passmark - benchmark score GeForce GTX 680MX vs HD Graphics 620
GeForce GTX 680MX
4266
HD Graphics 620
963
GeForce GTX 680MX
HD Graphics 620
Architecture
Kepler (2012−2018)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
-
Kaby-Lake GT2
Market segment
Laptop
Laptop
Release date
October 2012
August 2016
Bus support
PCI Express 3.0
-
Interface
-
PCIe 3.0 x1
SLI options
+
-
Boost clock speed
-
1050 MHz
Core clock speed
720 MHz
300 MHz
CUDA cores
1536
-
Floating-point performance
-
403.2 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
3540 Million
189 million
Pipelines / CUDA cores
1536
24
Power consumption (TDP)
122 Watt
15 Watt
Texture fill rate
92.2 billion/sec
25.20
Memory type
GDDR5
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
2500 MHz
System Shared
Memory bandwidth
160 GB/s
-
Shared memory
-
+
Display Connectors
-
No outputs
DirectX
12 API
12 (12_1)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
-
6.4
Vulkan
-
+
3D Vision
+
-
Optimus
+
-
Quick Sync
-
+