GeForce 840M - video card specification
Passmark - benchmark score GeForce 840M
GeForce 840M
1121
GeForce 840M
Architecture
Maxwell (2014−2018)
GPU code name
N15S-GT
Market segment
Laptop
Release date
March 2014
Bus support
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x8
Supplementary power connectors
-
Bridgeless CrossFire
-
Boost clock speed
1124 MHz
Compute units
-
Core clock speed
1029 MHz
Floating-point performance
863.2 gflops
Manufacturing process technology
28 nm
Number of transistors
-
Pipelines / CUDA cores
384
Power consumption (TDP)
33 Watt
Texture fill rate
17.98
Memory type
DDR3
Maximum RAM amount
4 GB
Memory bus width
64 Bit
Memory clock speed
2000 MHz
Memory bandwidth
16.02 GB/s
High bandwidth memory (HBM)
-
Shared memory
-
Display Connectors
No outputs
Eyefinity
-
Number of Eyefinity displays
-
HDMI
-
DisplayPort support
-
DirectX
12 (11_0)
CUDA
+
Mantle
-
OpenCL
1.2
OpenGL
4.5
Shader Model
5.1
Vulkan
1.1.126
AppAcceleration
-
CrossFire
-
DDMA audio
-
Enduro
-
FreeSync
-
FRTC
-
GameWorks
+
GPU Boost
2.0
HD3D
-
LiquidVR
-
Optimus
+
PowerTune
-
TrueAudio
-
VCE
-
ZeroCore
-