GeForce 840M and GeForce GT 1030 DDR4 - video card comparison
GeForce 840M
GeForce GT 1030 DDR4
Architecture
Maxwell (2014−2018)
Pascal (2016−2021)
GPU code name
N15S-GT
GP108
Market segment
Laptop
Desktop
Release date
March 2014
March 2018
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x4
Supplementary power connectors
-
None
Boost clock speed
1124 MHz
1379 MHz
Core clock speed
1029 MHz
1152 MHz
Floating-point performance
863.2 gflops
1,059 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
-
1,800 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
33 Watt
20 Watt
Texture fill rate
17.98
33.10
Memory type
DDR3
DDR4
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
2100 MHz
Memory bandwidth
16.02 GB/s
16.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI
HDMI
-
+
DirectX
12 (11_0)
12 (12_1)
CUDA
+
6.1
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-