Radeon R9 M295X and GeForce GTX 660M - video card comparison
Passmark - benchmark score Radeon R9 M295X vs GeForce GTX 660M
Radeon R9 M295X
5304
GeForce GTX 660M
1478
Radeon R9 M295X
GeForce GTX 660M
Architecture
GCN 3 (2014−2016)
Kepler (2012−2018)
GPU code name
Tonga
N13E-GE
Market segment
Laptop
Laptop
Release date
October 2014
March 2012
Bus support
PCIe 3.0
PCI Express 2.0, PCI Express 3.0
Interface
MXM-B (3.0)
MXM-B (3.0)
Supplementary power connectors
None
-
SLI options
-
+
Boost clock speed
-
950 MHz
Core clock speed
723 MHz
835 MHz
CUDA cores
-
384
Floating-point performance
2,961 gflops
729.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
1,270 million
Pipelines / CUDA cores
2048
384
Power consumption (TDP)
250 Watt
50 Watt
Texture fill rate
92.54
30.4 billion/sec
Memory type
Not Listed
GDDR5
Maximum RAM amount
0 MB
2 GB
Memory bus width
Not Listed
128bit
Memory clock speed
-
2000 MHz
Memory bandwidth
160.0 GB/s
64.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
Not Listed
12 API
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
6.3
5.1
Vulkan
-
1.1.126
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-