GeForce GTX 1080 Ti and GeForce 840M - video card comparison
Passmark - benchmark score GeForce GTX 1080 Ti vs GeForce 840M
GeForce GTX 1080 Ti
19118
GeForce 840M
1121
GeForce GTX 1080 Ti
GeForce 840M
Architecture
Pascal (2016−2021)
Maxwell (2014−2018)
GPU code name
GP102
N15S-GT
Market segment
Desktop
Laptop
Release date
February 2017
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
SLI options
+
-
Boost clock speed
1600 MHz
1124 MHz
Core clock speed
1481 MHz
1029 MHz
Floating-point performance
11,340 gflops
863.2 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
11,800 million
-
Pipelines / CUDA cores
3584
384
Power consumption (TDP)
250 Watt
33 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
17.98
Memory type
GDDR5X
DDR3
Maximum RAM amount
11 GB
4 GB
Memory bus width
352 Bit
64 Bit
Memory clock speed
11000 MHz
2000 MHz
Memory bandwidth
484.4 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.5
4.5
Shader Model
6.4
5.1
Vulkan
+
1.1.126
Ansel
+
-
GameWorks
-
+
GPU Boost
3.0
2.0
Optimus
-
+