Iris Plus Graphics 640 and GeForce GT 635M - video card comparison
Passmark - benchmark score Iris Plus Graphics 640 vs GeForce GT 635M
Iris Plus Graphics 640
1534
GeForce GT 635M
578
Iris Plus Graphics 640
GeForce GT 635M
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Fermi (2010−2014)
GPU code name
Kaby Lake GT3e
N13E-GE2
Market segment
Laptop
Laptop
Release date
January 2017
December 2011
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Boost clock speed
1050 MHz
753 MHz
Core clock speed
300 MHz
Up to 675 MHz
CUDA cores
-
Up to 144
Floating-point performance
-
253.4 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
189 million
1,170 million
Pipelines / CUDA cores
48
144
Power consumption (TDP)
15 Watt
35 Watt
Texture fill rate
52.80
Up to 16.2 billion/sec
Memory type
DDR3L/LPDDR3/DDR4
DDR3
Maximum RAM amount
32 GB
2 GB
Memory bus width
64/128 Bit
Up to 192bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
Up to 43.2 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (12_1)
12 API
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.1.103
N/A
3D Blu-Ray
-
+
Optimus
-
+
Quick Sync
+
-