GeForce GTX 1080 Ti and Radeon R9 285X - video card comparison
GeForce GTX 1080 Ti
Radeon R9 285X
Architecture
Pascal (2016−2021)
GCN 3.0 (2014−2017)
GPU code name
GP102
Tonga
Market segment
Desktop
Desktop
Release date
February 2017
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1600 MHz
-
Core clock speed
1481 MHz
1002 MHz
Floating-point performance
11,340 gflops
-
Manufacturing process technology
16 nm
28 nm
Number of transistors
11,800 million
5,000 million
Pipelines / CUDA cores
3584
2048
Power consumption (TDP)
250 Watt
200 Watt
Maximum GPU temperature
91 °C
-
Texture fill rate
354.4
128.3
Memory type
GDDR5X
GDDR5
Maximum RAM amount
11 GB
3 GB
Memory bus width
352 Bit
384 Bit
Memory clock speed
11000 MHz
5.5 GB/s
Memory bandwidth
484.4 GB/s
264.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
Multi monitor support
+
-
HDMI
+
+
G-SYNC support
+
-
DirectX
12 (12_1)
12 (12_0)
CUDA
+
-
OpenCL
1.2
2.1
OpenGL
4.5
4.6
Shader Model
6.4
6.5
Vulkan
+
1.2.170
Ansel
+
-
GPU Boost
3.0
-