Radeon X1950 XT and GeForce GTX 780 6 GB - video card comparison
Radeon X1950 XT
GeForce GTX 780 6 GB
Architecture
R500 (2005−2007)
Kepler (2012−2018)
GPU code name
R580+
GK110B
Market segment
Desktop
Desktop
Release date
October 2006
September 2013
Interface
PCIe 1.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Boost clock speed
-
902 MHz
Core clock speed
625 MHz
863 MHz
Floating-point performance
-
4,156 gflops
Manufacturing process technology
90 nm
28 nm
Number of transistors
384 million
7,080 million
Pipelines / CUDA cores
-
2304
Power consumption (TDP)
96 Watt
250 Watt
Texture fill rate
10.00
173.2
Memory type
GDDR3
GDDR5
Maximum RAM amount
256 MB
6 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
1800 MHz
6008 MHz
Memory bandwidth
57.6 GB/s
288.4 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
9.0c (9_3)
12 (11_1)
CUDA
-
3.5
OpenCL
N/A
1.2
OpenGL
2.0
4.6
Shader Model
3.0
5.1
Vulkan
N/A
1.1.126