GeForce GTX 660 and GeForce GTX 650 - video card comparison
Passmark - benchmark score GeForce GTX 660 vs GeForce GTX 650
GeForce GTX 660
4119
GeForce GTX 650
1801
GeForce GTX 660
GeForce GTX 650
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK106
GK107
Market segment
Desktop
Desktop
Release date
September 2012
September 2012
Bus support
PCI Express 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
One 6-pin
SLI options
+
-
Boost clock speed
1033 MHz
-
Core clock speed
980 MHz
1058 MHz
CUDA cores
960
384
Floating-point performance
1,981 gflops
812.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
1,270 million
Pipelines / CUDA cores
960
384
Power consumption (TDP)
140 Watt
64 Watt
Texture fill rate
78.4 billion/sec
33.9 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
192-bit GDDR5
128-bit GDDR5
Memory clock speed
6.0 GB/s
5.0 GB/s
Memory bandwidth
144.2 GB/s
80.0 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Multi monitor support
4 displays
4 displays
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
2048x1536
2048x1536
Audio input for HDMI
Internal
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.3
4.3
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Blu-Ray
+
+
3D Gaming
+
+
3D Vision
+
+