GeForce GT 445M and GeForce 7800 GT Dual - video card comparison
GeForce GT 445M
GeForce 7800 GT Dual
Architecture
Fermi (2010−2014)
Curie (2003−2013)
GPU code name
N11E-GE
G70
Market segment
Laptop
Desktop
Release date
September 2010
August 2005
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
SLI options
+
-
Core clock speed
590 MHz
400 MHz
CUDA cores
144
-
Floating-point performance
339.8 gflops
-
Manufacturing process technology
40 nm
110 nm
Number of transistors
1,170 million
302 million
Pipelines / CUDA cores
144
-
Power consumption (TDP)
35 Watt
-
Texture fill rate
10.6 billion/sec
8.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
3 GB
256 MB
Memory bus width
192 Bit
256 Bit
Memory clock speed
1250 MHz
1000 MHz
Memory bandwidth
60.0 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
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
N/A
N/A