GeForce GT 230M and GeForce GTX 660M Mac Edition - video card comparison
GeForce GT 230M
GeForce GTX 660M Mac Edition
Architecture
GT2xx (2009−2012)
Kepler (2012−2018)
GPU code name
N10P-GE
GK107
Market segment
Laptop
Desktop
Release date
June 2009
April 2013
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
-
None
Core clock speed
500 MHz
950 MHz
CUDA cores
48
-
Floating-point performance
105.6 gflops
729.6 gflops
Gigaflops
158
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
486 million
1,270 million
Pipelines / CUDA cores
48
384
Power consumption (TDP)
23 Watt
50 Watt
Texture fill rate
8.000
30.40
Memory type
GDDR2, GDDR3
GDDR5
Maximum RAM amount
Up to 1 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
Up to 600 (DDR2), Up to 800 (GDDR3), Up to 1066 (GDDR3) MHz
5000 MHz
Memory bandwidth
16 (DDR2), 25 (DDR3)
80 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVIVGADisplayPortHDMISingle Link DVI
No outputs
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
HDA
-
DirectX
11.1 (10_1)
12 (11_0)
CUDA
+
3.0
OpenCL
1.1
1.2
OpenGL
2.1
4.6
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126
Power management
8.0
-