GeForce 840M and HD Graphics (Skylake) - video card comparison
GeForce 840M
HD Graphics (Skylake)
Architecture
Maxwell (2014−2018)
Gen. 9 Skylake (2015−2016)
GPU code name
N15S-GT
Skylake GT1
Market segment
Laptop
Laptop
Release date
March 2014
September 2015
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x8
-
Boost clock speed
1124 MHz
800 MHz
Core clock speed
1029 MHz
300 MHz
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
14 nm
Pipelines / CUDA cores
384
12
Power consumption (TDP)
33 Watt
-
Texture fill rate
17.98
-
Memory type
DDR3
DDR3L/LPDDR3
Maximum RAM amount
4 GB
-
Memory bus width
64 Bit
64/128 Bit
Memory clock speed
2000 MHz
-
Memory bandwidth
16.02 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
12 (11_0)
12_1
CUDA
+
-
OpenCL
1.2
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
1.1.126
-
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-
Quick Sync
-
+