GeForce GTX 650 Ti and Radeon HD 6390 - video card comparison
GeForce GTX 650 Ti
Radeon HD 6390
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK106
Redwood
Market segment
Desktop
Desktop
Release date
October 2012
July 2011
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
None
Core clock speed
928 MHz
550 MHz
CUDA cores
768
-
Floating-point performance
1,425 gflops
352.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,540 million
627 million
Pipelines / CUDA cores
768
320
Power consumption (TDP)
110 Watt
39 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
59.2 billion/sec
8.800
Memory type
GDDR5
DDR2
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5.4 GB/s
1000 MHz
Memory bandwidth
86.4 GB/s
16 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
4 Displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.3
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-