
Iris Plus Graphics 640 and GeForce GT 420M - video card comparison
Passmark - benchmark score Iris Plus Graphics 640 vs GeForce GT 420M
Iris Plus Graphics 640
1534
GeForce GT 420M
417
Iris Plus Graphics 640
GeForce GT 420M
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Fermi (2010−2014)
GPU code name
Kaby Lake GT3e
N11P-GE
Market segment
Laptop
Laptop
Release date
January 2017
September 2010
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
500 MHz
CUDA cores
-
96
Floating-point performance
-
192 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
189 million
585 million
Pipelines / CUDA cores
48
96
Power consumption (TDP)
15 Watt
23 Watt
Texture fill rate
52.80
6.0 billion/sec
Memory type
DDR3L/LPDDR3/DDR4
(G)DDR3
Maximum RAM amount
32 GB
1 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
800 MHz
Memory bandwidth
-
25.6 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
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
Quick Sync
+
-