
Radeon HD 8670M and GeForce GT 555M 3 GB - video card comparison
Radeon HD 8670M
GeForce GT 555M 3 GB
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Sun
GF106
Market segment
Laptop
Desktop
Release date
November 2012
March 2011
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
825 MHz
-
Core clock speed
775 MHz
590 MHz
Floating-point performance
633.6 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
690 million
1,170 million
Pipelines / CUDA cores
384
144
Power consumption (TDP)
-
35 Watt
Texture fill rate
19.50
14.16
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
3 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
2000 MHz
1800 MBps
Memory bandwidth
16 GB/s
43.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (11_1)
12 (11_0)
CUDA
-
2.1
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A