Radeon R9 M395X and GeForce GTX 660 - video card comparison
Passmark - benchmark score Radeon R9 M395X vs GeForce GTX 660
Radeon R9 M395X
5350
GeForce GTX 660
4119
Radeon R9 M395X
GeForce GTX 660
Architecture
GCN 3 (2014−2016)
Kepler (2012−2018)
GPU code name
Amethyst XT
GK106
Market segment
Laptop
Desktop
Release date
October 2014
September 2012
Bus support
PCIe 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
One 6-pin
SLI options
-
+
Boost clock speed
-
1033 MHz
Core clock speed
723 MHz
980 MHz
CUDA cores
-
960
Floating-point performance
2,961 gflops
1,981 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
2,540 million
Pipelines / CUDA cores
2048
960
Power consumption (TDP)
250 Watt
140 Watt
Texture fill rate
92.54
78.4 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
192-bit GDDR5
Memory clock speed
1250 MHz
6.0 GB/s
Memory bandwidth
160.0 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
Eyefinity
1
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.3
Shader Model
6.3
5.1
Vulkan
-
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
+
-
ZeroCore
+
-