GeForce GTX 1080 and Radeon RX 455 OEM - video card comparison
GeForce GTX 1080
Radeon RX 455 OEM
Architecture
Pascal (2016−2021)
GCN 2.0 (2013−2017)
GPU code name
Pascal GP104
Tobago
Market segment
Desktop
Desktop
Release date
May 2016
June 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
1x 6-pin
SLI options
+
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
1050 MHz
CUDA cores
2560
-
Floating-point performance
8,873 gflops
1,613 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
2,080 million
Pipelines / CUDA cores
2560
768
Power consumption (TDP)
180 Watt
100 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
50.40
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
10 GB/s
6500 MHz
Memory bandwidth
320 GB/s
104.0 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
1x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support
+
-
HDMI
+
+
G-SYNC support
+
-
DirectX
12 (12_1)
12 (12_0)
CUDA
+
-
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
6.4
6.3
Vulkan
1.2.131
1.2.131
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-