Iris Plus Graphics 640 and GeForce GT 740 - video card comparison
Passmark - benchmark score Iris Plus Graphics 640 vs GeForce GT 740
Iris Plus Graphics 640
1534
GeForce GT 740
1534
Iris Plus Graphics 640
GeForce GT 740
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Kepler (2012−2018)
GPU code name
Kaby Lake GT3e
GK107
Market segment
Laptop
Desktop
Release date
January 2017
May 2014
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
993 MHz
Floating-point performance
-
762.6 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
1,270 million
Pipelines / CUDA cores
48
384
Power consumption (TDP)
15 Watt
64 Watt
Texture fill rate
52.80
31.78
Memory type
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
32 GB
4 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
5012 MHz
Memory bandwidth
-
80.19 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
12 (12_1)
12 (11_0)
CUDA
-
3.0
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.103
1.1.126
Quick Sync
+
-