Radeon R9 M390X and GeForce GTX 780M - video card comparison
Passmark - benchmark score Radeon R9 M390X vs GeForce GTX 780M
Radeon R9 M390X
3705
GeForce GTX 780M
3962
Radeon R9 M390X
GeForce GTX 780M
Architecture
GCN 3 (2014−2016)
Kepler (2012−2018)
GPU code name
Amethyst (XT) / Tonga
N14E-GTX
Market segment
Laptop
Laptop
Release date
June 2015
May 2013
Bus support
PCIe 3.0
PCI Express 3.0, PCI Express 2.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
None
None
SLI options
-
+
Boost clock speed
-
797 MHz
Core clock speed
723 MHz
823 MHz
CUDA cores
-
1536
Floating-point performance
2,961 gflops
2,448 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
3,540 million
Pipelines / CUDA cores
2048
1536
Power consumption (TDP)
100 Watt
122 Watt
Texture fill rate
92.54
102.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
2500 MHz
Memory bandwidth
160.0 GB/s
160.0 GB/s
Shared memory
-
-
Standard memory configuration
-
GDDR5
Display Connectors
No outputs
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
6.3
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
+
-