Tesla K40c and Radeon Pro Duo Polaris - video card comparison
Tesla K40c
Radeon Pro Duo Polaris
Architecture
Kepler (2012−2018)
GCN 4.0 (2016−2020)
GPU code name
GK180
Ellesmere
Market segment
Workstation
Workstation
Release date
October 2013
April 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Boost clock speed
876 MHz
-
Core clock speed
745 MHz
1243 MHz
Floating-point performance
4,291 gflops
2x 5,728 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
7,080 million
5,700 million
Pipelines / CUDA cores
2880
2304
Power consumption (TDP)
245 Watt
250 Watt
Texture fill rate
210.2
179.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
12 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
6008 MHz
7000 MHz
Memory bandwidth
288.4 GB/s
224.0 GB/s
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_0)
12 (12_0)
CUDA
3.5
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.103
1.2.131