GeForce GTX 1080 11Gbps and Radeon R9 285X - video card comparison
GeForce GTX 1080 11Gbps
Radeon R9 285X
Architecture
Pascal (2016−2021)
GCN 3.0 (2014−2017)
GPU code name
GP104
Tonga
Market segment
Desktop
Desktop
Release date
April 2017
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin + 1x 8-pin
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
1002 MHz
Floating-point performance
8,873 gflops
-
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
5,000 million
Pipelines / CUDA cores
2560
2048
Power consumption (TDP)
180 Watt
200 Watt
Texture fill rate
277.3
128.3
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
11008 MHz
5.5 GB/s
Memory bandwidth
352.3 GB/s
264.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
HDMI
+
+
DirectX
12 (12_1)
12 (12_0)
CUDA
6.1
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.5
Vulkan
1.2.131
1.2.170