
Radeon R9 M395 and GeForce GTX 680M SLI - video card comparison
Radeon R9 M395
GeForce GTX 680M SLI
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
-
N13E-GTX
Market segment
Laptop
Laptop
Release date
June 2015
June 2012
Bus support
PCIe 3.0
-
SLI options
-
+
Core clock speed
834 MHz
720 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
5000 Million
-
Pipelines / CUDA cores
1792
2688
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2x 4 GB
Memory bus width
256 Bit
2x 256 Bit
Memory clock speed
1250 MHz
3600 MHz
Shared memory
-
-
Eyefinity
1
-
DirectX
DirectX® 12
11
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
-
OpenGL
4.4
-
Vulkan
+
-
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
+
-
ZeroCore
+
-