Quadro K620 and Iris Plus Graphics 640 - video card comparison
Passmark - benchmark score Quadro K620 vs Iris Plus Graphics 640
Quadro K620
2297
Iris Plus Graphics 640
1534
Quadro K620
Iris Plus Graphics 640
Architecture
Maxwell (2014−2018)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
GM107
Kaby Lake GT3e
Market segment
Workstation
Laptop
Release date
July 2014
January 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
1124 MHz
1050 MHz
Core clock speed
1058 MHz
300 MHz
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,870 million
189 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
41 Watt
15 Watt
Texture fill rate
26.98
52.80
Memory type
128 Bit
DDR3L/LPDDR3/DDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
Up to 29 GB/s
-
Shared memory
-
+
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
12 (12_1)
CUDA
5.0
-
OpenCL
1.2
2.1
OpenGL
4.5
4.6
Shader Model
5
6.4
Vulkan
+
1.1.103
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-
Quick Sync
-
+