Mobility Radeon HD 4860 and Tesla K20s - video card comparison
Mobility Radeon HD 4860
Tesla K20s
Architecture
Terascale 1 (2008−2010)
Kepler (2012−2018)
GPU code name
M97-XT
GK110
Market segment
Laptop
Workstation
Release date
March 2009
February 2013
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
650 MHz
575 MHz
Floating-point performance
832.0 gflops
3,524 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
826 million
7,080 million
Pipelines / CUDA cores
640
2496
Power consumption (TDP)
-
225 Watt
Texture fill rate
20.80
119.6
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
5 GB
Memory bus width
128 Bit
320 Bit
Memory clock speed
1000 MHz
5200 MHz
Memory bandwidth
64 GB/s
208.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
3.5
OpenCL
1.1
1.2
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126