GeForce GTX 660M and Radeon HD 3650 - video card comparison
Passmark - benchmark score GeForce GTX 660M vs Radeon HD 3650
GeForce GTX 660M
1478
Radeon HD 3650
154
GeForce GTX 660M
Radeon HD 3650
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
N13E-GE
RV635
Market segment
Laptop
Desktop
Release date
March 2012
January 2008
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
None
SLI options
+
-
Boost clock speed
950 MHz
-
Core clock speed
835 MHz
725 MHz
CUDA cores
384
-
Floating-point performance
729.6 gflops
174 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
378 million
Pipelines / CUDA cores
384
120
Power consumption (TDP)
50 Watt
65 Watt
Texture fill rate
30.4 billion/sec
5.800
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128bit
128 Bit
Memory clock speed
2000 MHz
1600 MHz
Memory bandwidth
64.0 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A
Optimus
+
-