\begin{table}[t]
	\centering
	\renewcommand{\arraystretch}{1.4}
	\begin{tabular}{m{0.4\linewidth}ccccc}
		\toprule
                Feature                                     & ExaDigiT~\cite{DBLP:conf/sc/BrewerMKWBHSGGW24} & SmartDC~\cite{DBLP:conf/noms/ZhangZLZWC22} & DyTwin~\cite{DBLP:conf/sc/TaheriBPRHDEWPM24} & ChatTwin~\cite{DBLP:conf/sensys/LiW0Z0T23}\\
		\midrule                                                                                                                                                                                  
		Virtual Prototyping                         &                                                & \ding{51}                                  &                                              &\\
		Scenario Exploration                        &                                                &                                            &                                              &\\
		3D Facility Modelling                       & \ding{51}                                      & \ding{51}                                  &                                              &\\
		Predictive maintenance                      &                                                &                                            &                                              &\\
		Predictive energy modelling                 &                                                & \ding{51}                                  &                                              &\\
		Reliability and availability modeling       &                                                &                                            &                                              &\\
		Cooling system modelling                    &                                                & \ding{51}                                  &                                              &\\
		Network modelling                           &                                                &                                            &                                              &\\
		Predictive modelling                        &                                                &                                            &                                              &\\
		Power/Energy consumption optimization (PUE) &                                                & \ding{51}                                  &                                              &\\
		Heat and Airflow distribution modelling     &                                                & \ding{51}                                  &                                              &\\
		Visual analytics dashboard                  &                                                &                                            &                                              &\\
		Forensic analysis and diagnostics           &                                                &                                            &                                              &\\
		Failure detection                           &                                                &                                            &                                              &\\
		Operational optimization                    &                                                &                                            &                                              &\\
		Resource allocation                         &                                                &                                            &                                              &\\
		\midrule
	\end{tabular}
	\caption{Comparison of selected features of existing datacenter digital twins.}
\end{table}