Radeon R9 285 and GeForce GT 555M - video card comparison
Passmark - benchmark score Radeon R9 285 vs GeForce GT 555M
Radeon R9 285
6880
GeForce GT 555M
674
Radeon R9 285
GeForce GT 555M
Architecture
GCN 3.0 (2014−2017)
Fermi (2010−2014)
GPU code name
Tonga
N12E-GE-B
Market segment
Desktop
Laptop
Release date
September 2014
January 2011
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
SLI options
-
+
Boost clock speed
-
753 MHz
Core clock speed
918 MHz
Up to 753 MHz
CUDA cores
-
Up to 144
Floating-point performance
3,290 gflops
388.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,000 million
1,170 million
Pipelines / CUDA cores
1792
144
Power consumption (TDP)
190 Watt
35 Watt
Texture fill rate
102.8
Up to 16.2 billion/sec
Memory type
GDDR5
DDR3\DDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
256 Bit
Up to 192 bit/128 Bit
Memory clock speed
5.5 GB/s
Up to 1569 MHz
Memory bandwidth
176.0 GB/s
Up to 50.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 API
CUDA
-
+
OpenCL
2.1
1.1
OpenGL
4.6
4.5
Shader Model
6.5
5.1
Vulkan
1.2.170
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
Optimus
-
+