Radeon R9 M390 and GeForce GT 755M - video card comparison
Radeon R9 M390
GeForce GT 755M
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Pitcairn
N14P-
Market segment
Laptop
Laptop
Release date
June 2015
June 2013
Bus support
PCIe 3.0
PCI Express 3.0, PCI Express 2.0
Interface
-
PCIe 3.0 x16
SLI-ready
-
-
Core clock speed
-
980 MHz
Floating-point performance
-
752.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5000 Million
1,270 million
Pipelines / CUDA cores
1024
384
Power consumption (TDP)
-
50 Watt
Texture fill rate
-
31.36
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
5400 MHz
Memory bandwidth
-
86.4 GB/s
Shared memory
-
-
Standard memory configuration
-
GDDR5
Display Connectors
-
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
Eyefinity
1
-
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
-
+
7.1 channel HD audio on HDMI
-
+
DirectX
DirectX® 12
12 API
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
3D Vision / 3DTV Play
-
+
AppAcceleration
-
-
Blu-Ray 3D Support
-
+
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
H.264, VC1, MPEG2 1080p video decoder
-
+
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
TrueHD and DTS-HD audio bitstreaming
-
+
ZeroCore
+
-