Radeon X1900 XTX and GeForce GTS 450 Rev. 3 - video card comparison
Radeon X1900 XTX
GeForce GTS 450 Rev. 3
Architecture
R500 (2005−2007)
Fermi 2.0 (2010−2014)
GPU code name
R580
GF116
Market segment
Desktop
Desktop
Release date
January 2006
July 2012
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
650 MHz
783 MHz
Floating-point performance
-
451.0 gflops
Manufacturing process technology
90 nm
40 nm
Number of transistors
384 million
1,170 million
Pipelines / CUDA cores
-
144
Power consumption (TDP)
135 Watt
106 Watt
Texture fill rate
10.40
18.79
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1550 MBps
1400 MHz
Memory bandwidth
49.6 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
9.0c (9_3)
12 (11_0)
CUDA
-
2.1
OpenCL
N/A
1.1
OpenGL
2.1 (full)
Shader Model
3.05.1
Vulkan
N/A
N/A