Summary Table

	NDI HX (v1)	NDI HX (v2)	NDI HX3	SpeedHQ0	SpeedHQ2	SpeedHQ7
Chroma Subsampling	4:2:0	4:2:0	4:2:0	4:2:0	4:2:2	4:2:2:4
FPGA (Supports SHQ in logic), with SoC, without hardware h.26x codec (VCU)³	NO	NO	NO	Rx + Tx	Rx + Tx	RX only
FPGA (Supports SHQ in logic), with SoC, with hardware h.26x codec (VCU)³	TX only	Rx + Tx	Rx + Tx	Rx + Tx	Rx + Tx	RX only
SoC with hardware h.26x codec (no FPGA) — e.g. Ambarella	TX only (by NewTek, EOL)	Rx + Tx	Rx + Tx	NO	NO	NO
Sofware on powerful CPU (GPU acceleration only for NDI HX formats, not SHQ)	RX only on Mac and Windows	Rx + Tx	Rx + Tx	Rx + Tx	Rx + Tx	Rx + Tx