GeForce GTX 650 and GeForce GTX 285 X2 - video card comparison
GeForce GTX 650
GeForce GTX 285 X2
Architecture
Kepler (2012−2018)
Tesla 2.0 (2007−2013)
GPU code name
GK107
GT200B
Market segment
Desktop
Desktop
Release date
September 2012
June 2009
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
2x 8-pin
Core clock speed
1058 MHz
648 MHz
CUDA cores
384
-
Floating-point performance
812.5 gflops
-
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
1,400 million
Pipelines / CUDA cores
384
240
Power consumption (TDP)
64 Watt
315 Watt
Texture fill rate
33.9 billion/sec
51.84
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128-bit GDDR5
512 Bit
Memory clock speed
5.0 GB/s
2.3 GB/s
Memory bandwidth
80.0 GB/s
147.5 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
2x DVI, 1x HDMI
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
+
1.3
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
+
-