Radeon R7 M380 and GeForce 840M - video card comparison
Passmark - benchmark score Radeon R7 M380 vs GeForce 840M
Radeon R7 M380
1718
GeForce 840M
1121
Radeon R7 M380
GeForce 840M
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Tropo
N15S-GT
Market segment
Laptop
Laptop
Release date
May 2015
March 2014
Bus support
PCIe 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Boost clock speed
915 MHz
1124 MHz
Compute units
10
-
Core clock speed
915 MHz
1029 MHz
Floating-point performance
1,171 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
-
Pipelines / CUDA cores
640
384
Power consumption (TDP)
-
33 Watt
Texture fill rate
36.60
17.98
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1000 MHz
2000 MHz
Memory bandwidth
32 GB/s
16.02 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.5
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
+
-