GeForce GTX 660M and GeForce GTX 260 - video card comparison
Passmark - benchmark score GeForce GTX 660M vs GeForce GTX 260
GeForce GTX 660M
1478
GeForce GTX 260
1260
GeForce GTX 660M
GeForce GTX 260
Architecture
Kepler (2012−2018)
Tesla 2.0 (2007−2013)
GPU code name
N13E-GE
GT200
Market segment
Laptop
Desktop
Release date
March 2012
June 2008
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
2x 6-pin
SLI options
+
+
Boost clock speed
950 MHz
-
Core clock speed
835 MHz
576 MHz
CUDA cores
384
192
Floating-point performance
729.6 gflops
476.9 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
1,270 million
1,400 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
50 Watt
182 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
30.4 billion/sec
36.9 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
896 MB
Memory bus width
128bit
448 Bit
Memory clock speed
2000 MHz
999 MHz
Memory bandwidth
64.0 GB/s
111.9 GB/s
Shared memory
-
-
Display Connectors
No outputs
Dual Link DVIHDTV
Multi monitor support
-
+
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
12 API
11.1 (10_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
2.1
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
Optimus
+
-