GeForce GT 555M and Radeon HD 6620G - video card comparison
Passmark - benchmark score GeForce GT 555M vs Radeon HD 6620G
GeForce GT 555M
674
Radeon HD 6620G
351
GeForce GT 555M
Radeon HD 6620G
Architecture
Fermi (2010−2014)
Terascale 2 (2009−2015)
GPU code name
N12E-GE-B
Llano
Market segment
Laptop
Laptop
Release date
January 2011
June 2011
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
IGP
SLI options
+
-
Boost clock speed
753 MHz
-
Core clock speed
Up to 753 MHz
400 MHz
CUDA cores
Up to 144
-
Floating-point performance
388.8 gflops
-
Manufacturing process technology
40 nm
32 nm
Number of transistors
1,170 million
1000 Million
Pipelines / CUDA cores
144
400
Power consumption (TDP)
35 Watt
35 Watt
Texture fill rate
Up to 16.2 billion/sec
8.880
Memory type
DDR3\DDR5
System Shared
Maximum RAM amount
3 GB
System Shared
Memory bus width
Up to 192 bit/128 Bit
System Shared
Memory clock speed
Up to 1569 MHz
System Shared
Memory bandwidth
Up to 50.2 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 API
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
Optimus
+
-