NVIDIA Tesla K20X vs AMD Radeon RX 560X
GPU Specs Compare
Graphics Card
Release Date
Nov 2012
Apr 2018
Generation
Tesla
Polaris
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Clock Speeds
Memory Clock
1300 MHz
1750 MHz
Base Clock
-
1175 MHz
Boost Clock
-
1275 MHz
Memory
Memory Size
6GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
128bit
Bandwidth
249.6GB/s
112.0GB/s
Render Config
Shading Units
2688
1024
TMUs
224
64
ROPs
48
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
1024 KB
Compute Units
-
16
Theoretical Performance
Pixel Rate
40.99 GPixel/s
20.40 GPixel/s
Texture Rate
164.0 GTexel/s
81.60 GTexel/s
FP32 (float)
3.935 TFLOPS
2.611 TFLOPS
FP64 (double)
1312 GFLOPS
163.2 GFLOPS
FP16 (half)
-
2.611 TFLOPS
Graphics Processor
GPU Name
GK110
Polaris 21
Architecture
Kepler
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
7.08 billion
3 billion
Die Size
561 mm²
123 mm²
GPU Variant
-
Polaris 21 XT(215-0908004)
Board Design
TDP
235W
75W
Suggested PSU
550 W
250 W
Outputs
No outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.2
CUDA
3.5
-
Shader Model
5.1
6.4