Radeon HD 2900 XT and GeForce GT 440 OEM - video card comparison
Radeon HD 2900 XT
GeForce GT 440 OEM
Architecture
TeraScale (2005−2013)
Fermi (2010−2014)
GPU code name
R600
GF106
Market segment
Desktop
Desktop
Release date
May 2007
October 2010
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Core clock speed
743 MHz
810 MHz
Floating-point performance
475.5 gflops
466.6 gflops
Manufacturing process technology
80 nm
40 nm
Number of transistors
720 million
1,170 million
Pipelines / CUDA cores
320
144
Power consumption (TDP)
215 Watt
65 Watt
Texture fill rate
11.89
19.44
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
1536 MB
Memory bus width
512 Bit
192 Bit
Memory clock speed
1656 MHz
1800 MHz
Memory bandwidth
106.0 GB/s
43.2 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.0 (10_0)
12 (11_0)
CUDA
-
2.1
OpenCL
N/A
1.1
OpenGL
3.3
4.6
Shader Model
4.0
5.1
Vulkan
N/A
N/A