Iris Plus Graphics 655 and GeForce 840M - video card comparison
Passmark - benchmark score Iris Plus Graphics 655 vs GeForce 840M
Iris Plus Graphics 655
1787
GeForce 840M
1121
Iris Plus Graphics 655
GeForce 840M
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Maxwell (2014−2018)
GPU code name
Kaby Lake GT3e
N15S-GT
Market segment
Laptop
Laptop
Release date
September 2017
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x1
PCIe 3.0 x8
Boost clock speed
1200 MHz
1124 MHz
Core clock speed
300 MHz
1029 MHz
Floating-point performance
-
863.2 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
-
Pipelines / CUDA cores
48
384
Power consumption (TDP)
15 Watt
33 Watt
Texture fill rate
50.40
17.98
Memory type
DDR3/DDR4
DDR3
Maximum RAM amount
System Shared
4 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
2000 MHz
Memory bandwidth
-
16.02 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (11_0)
CUDA
-
+
OpenCL
2.1
1.2
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.1.103
1.1.126
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+
Quick Sync
+
-