GeForce GTX 1080 and Radeon R9 280X2 - video card comparison
GeForce GTX 1080
Radeon R9 280X2
Architecture
Pascal (2016−2021)
GCN 1.0 (2012−2020)
GPU code name
Pascal GP104
Tahiti
Market segment
Desktop
Desktop
Release date
May 2016
-
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
3x 8-pin
SLI options
+
-
Boost clock speed
1733 MHz
1000 MHz
Core clock speed
1607 MHz
-
CUDA cores
2560
-
Floating-point performance
8,873 gflops
-
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
4,313 million
Pipelines / CUDA cores
2560
2048
Power consumption (TDP)
180 Watt
375 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
128.0
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
10 GB/s
6 GB/s
Memory bandwidth
320 GB/s
288.0 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
6x mini-DisplayPort 1.2
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 (11_1)
CUDA
+
-
OpenCL
1.2
2.1 (1.2)
OpenGL
4.5
4.6
Shader Model
6.4
6.5 (5.1)
Vulkan
1.2.131
1.2.170
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-