
GeForce GTX 1080 and Tesla K20c - video card comparison
GeForce GTX 1080
Tesla K20c
Architecture
Pascal (2016−2021)
Kepler (2012−2018)
GPU code name
Pascal GP104
GK110
Market segment
Desktop
Workstation
Release date
May 2016
November 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
706 MHz
CUDA cores
2560
-
Floating-point performance
8,873 gflops
3,524 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
7,080 million
Pipelines / CUDA cores
2560
2496
Power consumption (TDP)
180 Watt
225 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
146.8
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
5 GB
Memory bus width
256 Bit
320 Bit
Memory clock speed
10 GB/s
5200 MHz
Memory bandwidth
320 GB/s
208.0 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
No outputs
Multi monitor support
+
-
HDMI
+
-
G-SYNC support
+
-
DirectX
12 (12_1)
12 (11_0)
CUDA
+
3.5
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-