Radeon R9 285 and Radeon Pro 555X - video card comparison
Passmark - benchmark score Radeon R9 285 vs Radeon Pro 555X
Radeon R9 285
6880
Radeon Pro 555X
3332
Radeon R9 285
Radeon Pro 555X
Architecture
GCN 3.0 (2014−2017)
Polaris (2016−2019)
GPU code name
Tonga
Polaris 21
Market segment
Desktop
Mobile workstation
Release date
September 2014
June 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
Core clock speed
918 MHz
855 MHz
Floating-point performance
3,290 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
5,000 million
3,000 million
Pipelines / CUDA cores
1792
768
Power consumption (TDP)
190 Watt
-
Texture fill rate
102.8
43.54
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5.5 GB/s
5080 MHz
Memory bandwidth
176.0 GB/s
81.6 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.4
Vulkan
1.2.170
1.2.131
FreeSync
-
+