GeForce GTX 650 Ti and Radeon Sky 900 - video card comparison
GeForce GTX 650 Ti
Radeon Sky 900
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK106
Tahiti
Market segment
Desktop
Desktop
Release date
October 2012
March 2013
Bus support
PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
2x 8-pin
Boost clock speed
-
950 MHz
Core clock speed
928 MHz
825 MHz
CUDA cores
768
-
Floating-point performance
1,425 gflops
2x 3,405 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
4,313 million
Pipelines / CUDA cores
768
3584
Power consumption (TDP)
110 Watt
300 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
59.2 billion/sec
106.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
6 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
5.4 GB/s
5000 MHz
Memory bandwidth
86.4 GB/s
480 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
1x DVI, 1x mini-DisplayPort
Multi monitor support
4 Displays
-
Dual-link DVI support
-
1
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-