Radeon RX 580 and GeForce GT 555M - video card comparison
Passmark - benchmark score Radeon RX 580 vs GeForce GT 555M
Radeon RX 580
9140
GeForce GT 555M
674
Radeon RX 580
GeForce GT 555M
Architecture
Polaris (2016−2019)
Fermi (2010−2014)
GPU code name
Polaris 20
N12E-GE-B
Market segment
Desktop
Laptop
Release date
April 2017
January 2011
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
-
SLI options
-
+
Boost clock speed
1340 MHz
753 MHz
Core clock speed
1257 MHz
Up to 753 MHz
CUDA cores
-
Up to 144
Floating-point performance
6,175 gflops
388.8 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
5,700 million
1,170 million
Pipelines / CUDA cores
2304
144
Power consumption (TDP)
185 Watt
35 Watt
Texture fill rate
193.0
Up to 16.2 billion/sec
Memory type
GDDR5
DDR3\DDR5
Maximum RAM amount
8 GB
3 GB
Memory bus width
256 Bit
Up to 192 bit/128 Bit
Memory clock speed
8000 MHz
Up to 1569 MHz
Memory bandwidth
256.0 GB/s
Up to 50.2 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 API
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
Optimus
-
+