
GeForce GT 445M and Radeon HD 3870 - video card comparison
Passmark - benchmark score GeForce GT 445M vs Radeon HD 3870
GeForce GT 445M
835
Radeon HD 3870
572
GeForce GT 445M
Radeon HD 3870
Architecture
Fermi (2010−2014)
TeraScale (2005−2013)
GPU code name
N11E-GE
RV670
Market segment
Laptop
Desktop
Release date
September 2010
November 2007
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
SLI options
+
-
Core clock speed
590 MHz
777 MHz
CUDA cores
144
-
Floating-point performance
339.8 gflops
497.3 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
1,170 million
666 million
Pipelines / CUDA cores
144
320
Power consumption (TDP)
35 Watt
106 Watt
Texture fill rate
10.6 billion/sec
12.43
Memory type
GDDR5
GDDR4
Maximum RAM amount
3 GB
512 MB
Memory bus width
192 Bit
256 Bit
Memory clock speed
1250 MHz
2252 MHz
Memory bandwidth
60.0 GB/s
72.06 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 API
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A