GeForce GTX 660M and GeForce 7800 GT - video card comparison
Passmark - benchmark score GeForce GTX 660M vs GeForce 7800 GT
GeForce GTX 660M
1478
GeForce 7800 GT
251
GeForce GTX 660M
GeForce 7800 GT
Architecture
Kepler (2012−2018)
Curie (2003−2013)
GPU code name
N13E-GE
G70
Market segment
Laptop
Desktop
Release date
March 2012
August 2005
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
SLI options
+
-
Boost clock speed
950 MHz
-
Core clock speed
835 MHz
400 MHz
CUDA cores
384
-
Floating-point performance
729.6 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
1,270 million
302 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
50 Watt
65 Watt
Texture fill rate
30.4 billion/sec
8.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128bit
256 Bit
Memory clock speed
2000 MHz
1000 MHz
Memory bandwidth
64.0 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A
Optimus
+
-