GeForce GTX 260 and GeForce GTX 660M Mac Edition - video card comparison
GeForce GTX 260
GeForce GTX 660M Mac Edition
Architecture
Tesla 2.0 (2007−2013)
Kepler (2012−2018)
GPU code name
GT200
GK107
Market segment
Desktop
Desktop
Release date
June 2008
April 2013
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
2x 6-pin
None
SLI options
+
-
Core clock speed
576 MHz
950 MHz
CUDA cores
192
-
Floating-point performance
476.9 gflops
729.6 gflops
Manufacturing process technology
65 nm
28 nm
Number of transistors
1,400 million
1,270 million
Pipelines / CUDA cores
192
384
Power consumption (TDP)
182 Watt
50 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
36.9 billion/sec
30.40
Memory type
GDDR3
GDDR5
Maximum RAM amount
896 MB
512 MB
Memory bus width
448 Bit
128 Bit
Memory clock speed
999 MHz
5000 MHz
Memory bandwidth
111.9 GB/s
80 GB/s
Display Connectors
Dual Link DVIHDTV
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (11_0)
CUDA
+
3.0
OpenCL
1.1
1.2
OpenGL
2.1
4.6
Shader Model
4.0
5.1
Vulkan
N/A
1.1.126