Radeon R9 285 and P102-100 - video card comparison
Radeon R9 285
P102-100
Architecture
GCN 3.0 (2014−2017)
Pascal (2016−2021)
GPU code name
Tonga
GP102
Market segment
Desktop
Desktop
Release date
September 2014
February 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x4
Supplementary power connectors
2x 6-pin
2x 8-pin
Boost clock speed
-
1683 MHz
Core clock speed
918 MHz
1582 MHz
Floating-point performance
3,290 gflops
10,125 gflops
Manufacturing process technology
28 nm
16 nm
Number of transistors
5,000 million
11,800 million
Pipelines / CUDA cores
1792
3200
Power consumption (TDP)
190 Watt
250 Watt
Texture fill rate
102.8
336.6
Memory type
GDDR5
GDDR5X
Maximum RAM amount
2 GB
5 GB
Memory bus width
256 Bit
320 Bit
Memory clock speed
5.5 GB/s
11008 MHz
Memory bandwidth
176.0 GB/s
440.3 GB/s
Display Connectors
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
CUDA
-
6.1
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.5
6.4
Vulkan
1.2.170
1.2.131