GeForce GTX 660M and GeForce GTX 285M - video card comparison
Passmark - benchmark score GeForce GTX 660M vs GeForce GTX 285M
GeForce GTX 660M
1478
GeForce GTX 285M
655
GeForce GTX 660M
GeForce GTX 285M
Architecture
Kepler (2012−2018)
G9x (2007−2010)
GPU code name
N13E-GE
N10E-GTX1
Market segment
Laptop
Laptop
Release date
March 2012
March 2009
Bus support
PCI Express 2.0, PCI Express 3.0
PCI-E 2.0
Interface
MXM-B (3.0)
MXM-B (3.0)
SLI options
+
2-way
MXM Type
-
MXM 3.0 Type-B
Boost clock speed
950 MHz
-
Core clock speed
835 MHz
576 MHz
CUDA cores
384
128
Floating-point performance
729.6 gflops
384.0 gflops
Gigaflops
-
576
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
754 million
Pipelines / CUDA cores
384
128
Power consumption (TDP)
50 Watt
75 Watt
Texture fill rate
30.4 billion/sec
38 billion/sec
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128bit
256 Bit
Memory clock speed
2000 MHz
Up to 1020 MHz
Memory bandwidth
64.0 GB/s
61 GB/s
Shared memory
-
-
Display Connectors
No outputs
Single Link DVIVGALVDSHDMIDual Link DVIDisplayPort
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
+
-
Power management
-
8.0