GeForce GTX 680M SLI and GeForce GTX 550 Ti - video card comparison
GeForce GTX 680M SLI
GeForce GTX 550 Ti
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
N13E-GTX
GF116
Market segment
Laptop
Desktop
Release date
June 2012
March 2011
Bus support
-
16x PCI-E 2.0
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
One 6-pin
SLI options
+
+
Core clock speed
720 MHz
900 MHz
CUDA cores
-
192
Floating-point performance
-
691.2 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
-
1,170 million
Pipelines / CUDA cores
2688
192
Power consumption (TDP)
-
116 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
-
28.8 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 4 GB
2 GB
Memory bus width
2x 256 Bit
192 Bit
Memory clock speed
3600 MHz
4.1 GB/s
Memory bandwidth
-
98.4 GB/s
Shared memory
-
-
Display Connectors
-
Two Dual Link DVI-IMini HDMI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
11
12 (11_0)
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.2
Shader Model
-
5.1
Vulkan
-
N/A
Optimus
+
-