Radeon R9 M380 and GeForce GTX 660M - video card comparison
Passmark - benchmark score Radeon R9 M380 vs GeForce GTX 660M
Radeon R9 M380
2845
GeForce GTX 660M
1478
Radeon R9 M380
GeForce GTX 660M
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Strato Pro GDDR5
N13E-GE
Market segment
Laptop
Laptop
Release date
June 2015
March 2012
Bus support
PCIe 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
SLI options
-
+
Boost clock speed
1000 MHz
950 MHz
Core clock speed
1000 MHz
835 MHz
CUDA cores
-
384
Floating-point performance
1,536 gflops
729.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
1,270 million
Pipelines / CUDA cores
768
384
Power consumption (TDP)
-
50 Watt
Texture fill rate
48.00
30.4 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
1500 MHz
2000 MHz
Memory bandwidth
96 GB/s
64.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
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
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
+
-
ZeroCore
+
-