
Iris Plus Graphics 640 and GeForce GT 720 - video card comparison
Passmark - benchmark score Iris Plus Graphics 640 vs GeForce GT 720
Iris Plus Graphics 640
1534
GeForce GT 720
628
Iris Plus Graphics 640
GeForce GT 720
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Kepler 2.0 (2013−2015)
GPU code name
Kaby Lake GT3e
GK208B
Market segment
Laptop
Desktop
Release date
January 2017
September 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x1
PCIe 2.0 x8
Supplementary power connectors
-
None
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
797 MHz
CUDA cores
-
192
Floating-point performance
-
306.0 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
915 million
Pipelines / CUDA cores
48
192
Power consumption (TDP)
15 Watt
19 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
52.80
12.75
Memory type
DDR3L/LPDDR3/DDR4
DDR3 / GDDR5
Maximum RAM amount
32 GB
1 GB or 1 GB
Memory bus width
64/128 Bit
64 Bit
Memory clock speed
System Shared
1.8 GBps or 5.0 GB/s
Memory bandwidth
-
14.4 (DDR3) or 40 (GDDR5)
Shared memory
+
-
Display Connectors
No outputs
Dual Link DVI-DHDMIVGA
Multi monitor support
-
3 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (12_1)
12 (11_0)
CUDA
-
+
OpenCL
2.1
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.1
Vulkan
1.1.103
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
Quick Sync
+
-