GeForce GTX 550 Ti and GeForce GT 420M - video card comparison
Passmark - benchmark score GeForce GTX 550 Ti vs GeForce GT 420M
GeForce GTX 550 Ti
1599
GeForce GT 420M
417
GeForce GTX 550 Ti
GeForce GT 420M
Architecture
Fermi (2010−2014)
Fermi (2010−2014)
GPU code name
GF116
N11P-GE
Market segment
Desktop
Laptop
Release date
March 2011
September 2010
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
-
SLI options
+
-
Core clock speed
900 MHz
500 MHz
CUDA cores
192
96
Floating-point performance
691.2 gflops
192 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,170 million
585 million
Pipelines / CUDA cores
192
96
Power consumption (TDP)
116 Watt
23 Watt
Maximum GPU temperature
100 °C
-
Texture fill rate
28.8 billion/sec
6.0 billion/sec
Memory type
GDDR5
(G)DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
4.1 GB/s
800 MHz
Memory bandwidth
98.4 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
Two Dual Link DVI-IMini HDMI
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.2
4.5
Shader Model
5.1
5.1
Vulkan
N/A
N/A