
GeForce 840M and Radeon R7 M365X - video card comparison
Passmark - benchmark score GeForce 840M vs Radeon R7 M365X
GeForce 840M
1121
Radeon R7 M365X
797
GeForce 840M
Radeon R7 M365X
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
N15S-GT
Litho
Market segment
Laptop
Desktop
Release date
March 2014
May 2015
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Boost clock speed
1124 MHz
825 MHz
Compute units
-
6
Core clock speed
1029 MHz
900 MHz
Floating-point performance
863.2 gflops
737.3 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
690 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
33 Watt
-
Texture fill rate
17.98
23.04
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
1000 MHz
Memory bandwidth
16.02 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
-
1
DirectX
12 (11_0)
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.5
4.4
Shader Model
5.1
5.1
Vulkan
1.1.126
-
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
GameWorks
+
-
GPU Boost
2.0
-
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+