NVIDIA Tesla K20c vs AMD Radeon RX 560
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Apr 2017
Generation
Tesla
Polaris
Type
Professional
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x8
Clock Speeds
Memory Clock
1300 MHz
1750 MHz
Base Clock
—
1175 MHz
Boost Clock
—
1275 MHz
Memory
Memory Size
5GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
128bit
Bandwidth
208.0GB/s
112.0GB/s
Render Config
Shading Units
2496
1024
TMUs
208
64
ROPs
40
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1280 KB
1024 KB
Compute Units
—
16
Theoretical Performance
Pixel Rate
36.71 GPixel/s
20.40 GPixel/s
Texture Rate
146.8 GTexel/s
81.60 GTexel/s
FP32 (float)
3.524 TFLOPS
2.611 TFLOPS
FP64 (double)
1175 GFLOPS
163.2 GFLOPS
FP16 (half)
—
2.611 TFLOPS
Graphics Processor
GPU Name
GK110
Polaris 21
GPU Variant
GK110-885-KA-A1
Polaris 21 XT(215-0908004)
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
Board Design
TDP
225W
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
Benchmark
OctaneBench
55
—
3DMark Time Spy
—
1,855
3DMark Time Spy Extreme
—
799
▲ Specs Compare
Data sourced from official specifications and benchmark tests.