GeForce GT 650M SLI and HD Graphics 620 - video card comparison
GeForce GT 650M SLI
HD Graphics 620
Architecture
Kepler (2012−2018)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
N13E-GE
Kaby-Lake GT2
Market segment
Laptop
Laptop
Release date
March 2012
August 2016
Interface
-
PCIe 3.0 x1
Boost clock speed
835 MHz
1050 MHz
Core clock speed
790 MHz
300 MHz
Floating-point performance
-
403.2 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
-
189 million
Pipelines / CUDA cores
768
24
Power consumption (TDP)
-
15 Watt
Texture fill rate
-
25.20
Memory type
GDDR5
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
2x2 GB
32 GB
Memory bus width
2x 128 Bit
64/128 Bit
Memory clock speed
4000 MHz
System Shared
Shared memory
-
+
Display Connectors
-
No outputs
DirectX
11
12 (12_1)
CUDA
+
-
OpenCL
-
2.1
OpenGL
-
4.6
Shader Model
-
6.4
Vulkan
-
+
Optimus
+
-
Quick Sync
-
+