Tesla K80m and Radeon X800 CrossFire Edition - video card comparison
Tesla K80m
Radeon X800 CrossFire Edition
Architecture
Kepler 2.0 (2013−2015)
R400 (2004−2008)
GPU code name
GK210
R423
Market segment
Workstation
Desktop
Release date
November 2014
October 2005
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 8-pin
None
Boost clock speed
824 MHz
-
Core clock speed
562 MHz
500 MHz
Floating-point performance
2x 4,373 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
7,100 million
160 million
Pipelines / CUDA cores
2x 2496
-
Power consumption (TDP)
300 Watt
-
Texture fill rate
2x 182.2 billion/sec
8.000
Memory type
GDDR5
GDDR3
Maximum RAM amount
2x 12 GB
256 MB
Memory bus width
2x 384 Bit
256 Bit
Memory clock speed
5012 MHz
1000 MHz
Memory bandwidth
2x 240.6 GB/s
32 GB/s
Display Connectors
No outputs
2x DVI
DirectX
12.0 (11_1)
9.0b (9_2)
OpenCL
-
N/A
OpenGL
4.6
2.0
Vulkan
-
N/A