GeForce GTX 680 and GeForce GTX 650 - video card comparison
Passmark - benchmark score GeForce GTX 680 vs GeForce GTX 650
GeForce GTX 680
5721
GeForce GTX 650
1801
GeForce GTX 680
GeForce GTX 650
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK104
GK107
Market segment
Desktop
Desktop
Release date
March 2012
September 2012
Bus support
PCI Express 3.0
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
One 6-pin
SLI options
+
-
Boost clock speed
1058 MHz
-
Core clock speed
1006 MHz
1058 MHz
CUDA cores
1536
384
Floating-point performance
3,090.4 gflops
812.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,270 million
Pipelines / CUDA cores
1536
384
Power consumption (TDP)
195 Watt
64 Watt
Texture fill rate
128.8 billion/sec
33.9 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2048 MB
2 GB
Memory bus width
256-bit GDDR5
128-bit GDDR5
Memory clock speed
6000 MHz
5.0 GB/s
Memory bandwidth
192.2 GB/s
80.0 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Multi monitor support
4 displays
4 displays
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
2048x1536
2048x1536
Audio input for HDMI
Internal
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.2
OpenGL
4.2
4.3
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+