GeForce GTX 280M and GeForce GT 445M - video card comparison
Passmark - benchmark score GeForce GTX 280M vs GeForce GT 445M
GeForce GTX 280M
592
GeForce GT 445M
835
GeForce GTX 280M
GeForce GT 445M
Architecture
G9x (2007−2010)
Fermi (2010−2014)
GPU code name
N10E-GTX
N11E-GE
Market segment
Laptop
Laptop
Release date
March 2009
September 2010
Bus support
PCI-E 2.0
-
Interface
MXM-IV
PCIe 2.0 x16
SLI options
+
+
MXM Type
MXM 3.0 Type-B
-
Core clock speed
585 MHz
590 MHz
CUDA cores
128
144
Floating-point performance
374.5 gflops
339.8 gflops
Gigaflops
562
-
Manufacturing process technology
55 nm
40 nm
Number of transistors
754 million
1,170 million
Pipelines / CUDA cores
128
144
Power consumption (TDP)
75 Watt
35 Watt
Texture fill rate
38 billion/sec
10.6 billion/sec
Memory type
GDDR3
GDDR5
Maximum RAM amount
1 GB
3 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
Up to 950 MHz
1250 MHz
Memory bandwidth
61 GB/s
60.0 GB/s
Shared memory
-
-
Display Connectors
HDMIDual Link DVISingle Link DVIDisplayPortLVDSVGA
No outputs
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
2.1
4.5
Shader Model
4.0
5.1
Vulkan
N/A
N/A
Power management
8.0
-