GeForce 840M and Radeon R5 M230 - video card comparison
Passmark - benchmark score GeForce 840M vs Radeon R5 M230
GeForce 840M
1121
Radeon R5 M230
424
GeForce 840M
Radeon R5 M230
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
N15S-GT
Jet / Sun
Market segment
Laptop
Laptop
Release date
March 2014
January 2014
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 3.0 x8
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Boost clock speed
1124 MHz
855 MHz
Compute units
-
5
Core clock speed
1029 MHz
855 MHz
Floating-point performance
863.2 gflops
547.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
690 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
33 Watt
unknown
Texture fill rate
17.98
17.10
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
1000 MHz
Memory bandwidth
16.02 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
-
+
DirectX
12 (11_0)
DirectX® 11
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
-
-
GameWorks
+
-
GPU Boost
2.0
-
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+