Iris Plus Graphics 640 and GeForce 820M - video card comparison
Passmark - benchmark score Iris Plus Graphics 640 vs GeForce 820M
Iris Plus Graphics 640
1534
GeForce 820M
511
Iris Plus Graphics 640
GeForce 820M
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Fermi (2010−2014)
GPU code name
Kaby Lake GT3e
N15V-GM
Market segment
Laptop
Laptop
Release date
January 2017
January 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
775 MHz
Floating-point performance
-
240.0 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
585 million
Pipelines / CUDA cores
48
96
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
52.80
10.00
Memory type
DDR3L/LPDDR3/DDR4
DDR3
Maximum RAM amount
32 GB
2 GB
Memory bus width
64/128 Bit
64 Bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
14.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (11_0)
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.1.103
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+
Quick Sync
+
-