
GeForce GTX 280 and Radeon X1900 XT - video card comparison
GeForce GTX 280
Radeon X1900 XT
Architecture
Tesla 2.0 (2007−2013)
R500 (2005−2007)
GPU code name
GT200
R580
Market segment
Desktop
Desktop
Release date
June 2008
January 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
6-pin & 8-pin
1x 6-pin
SLI options
+
-
Core clock speed
602 MHz
625 MHz
CUDA cores
240
-
Floating-point performance
622.1 gflops
-
Manufacturing process technology
65 nm
90 nm
Number of transistors
1,400 million
384 million
Pipelines / CUDA cores
240
-
Power consumption (TDP)
236 Watt
100 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
48.2 billion/sec
10.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1107 MHz
1450 MBps
Memory bandwidth
141.7 GB/s
46.4 GB/s
Display Connectors
HDTVDual Link DVI
2x DVI, 1x S-Video
Multi monitor support
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
2.1
2.1 (full)
Shader Model4.03.0
Vulkan
N/A
N/A