GeForce GTX 780M Mac Edition and UHD Graphics 620 - video card comparison
GeForce GTX 780M Mac Edition
UHD Graphics 620
Architecture
Kepler (2012−2018)
Gen. 9.5 (2017)
GPU code name
GK104
Kaby-Lake-Refresh GT2
Market segment
Desktop
Laptop
Release date
November 2013
September 2017
Interface
MXM-B (3.0)
PCIe 3.0 x1
Boost clock speed
797 MHz
1150 MHz
Core clock speed
771 MHz
300 MHz
Floating-point performance
2,448 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
3,540 million
189 million
Pipelines / CUDA cores
1536
24
Power consumption (TDP)
122 Watt
15 Watt
Texture fill rate
102.0
27.60
Memory type
GDDR5
LPDDR3/DDR4
Maximum RAM amount
4 GB
32 GB
Memory bus width
256 Bit
System Shared
Memory clock speed
5000 MHz
System Shared
Memory bandwidth
160.0 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.1.103
Quick Sync
-
+