GeForce GTX 650 Ti Boost and GeForce 8800 GTS 640 - video card comparison
GeForce GTX 650 Ti Boost
GeForce 8800 GTS 640
Architecture
Kepler (2012−2018)
Tesla (2006−2010)
GPU code name
GK106
G80
Market segment
Desktop
Desktop
Release date
March 2013
November 2006
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
One 6-pin
1x 6-pin
SLI options
+
-
Boost clock speed
1033 MHz
-
Core clock speed
980 MHz
513 MHz
CUDA cores
768
-
Floating-point performance
1,585 gflops
228.1 gflops
Manufacturing process technology
28 nm
90 nm
Number of transistors
2,540 million
681 million
Pipelines / CUDA cores
768
96
Power consumption (TDP)
134 Watt
143 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
62.7 billion/sec
24.62
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
640 MB
Memory bus width
192 Bit
320 Bit
Memory clock speed
6.0 GB/s
1584 MHz
Memory bandwidth
144.2 GB/s
63.36 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)
11.1 (10_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.3
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-