Radeon HD 3870 and GeForce GT 440 OEM - video card comparison
Radeon HD 3870
GeForce GT 440 OEM
Architecture
TeraScale (2005−2013)
Fermi (2010−2014)
GPU code name
RV670
GF106
Market segment
Desktop
Desktop
Release date
November 2007
October 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
777 MHz
810 MHz
Floating-point performance
497.3 gflops
466.6 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
1,170 million
Pipelines / CUDA cores
320
144
Power consumption (TDP)
106 Watt
65 Watt
Texture fill rate
12.43
19.44
Memory type
GDDR4
DDR3
Maximum RAM amount
512 MB
1536 MB
Memory bus width
256 Bit
192 Bit
Memory clock speed
2252 MHz
1800 MHz
Memory bandwidth
72.06 GB/s
43.2 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
2.1
OpenCL
N/A
1.1
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
N/A