GeForce GTX 780 and Radeon X1650 XT - video card comparison
GeForce GTX 780
Radeon X1650 XT
Architecture
Kepler (2012−2018)
R500 (2005−2007)
GPU code name
GK110
RV560
Market segment
Desktop
Desktop
Release date
May 2013
October 2006
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
None
Boost clock speed
900 MHz
-
Core clock speed
863 MHz
525 MHz
CUDA cores
2304
-
Floating-point performance
4,156 gflops
-
Manufacturing process technology
28 nm
80 nm
Number of transistors
7,080 million
330 million
Pipelines / CUDA cores
2304
-
Power consumption (TDP)
250 Watt
55 Watt
Maximum GPU temperature
95 °C
-
Texture fill rate
160.5 billion/sec
4.200
Memory type
GDDR5
GDDR3
Maximum RAM amount
3 GB
256 MB
Memory bus width
384 Bit
128 Bit
Memory clock speed
6008 MHz
1400 MHz
Memory bandwidth
288.4 GB/s
22.4 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
2x DVI, 1x S-Video
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.3
2.0
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
PhysX
+
-