# Summary Table

<table data-full-width="true"><thead><tr><th width="287"></th><th>NDI HX (v1)</th><th>NDI HX (v2)</th><th>NDI HX3</th><th>SpeedHQ0</th><th>SpeedHQ2</th><th>SpeedHQ7</th></tr></thead><tbody><tr><td>Chroma Subsampling</td><td>4:2:0</td><td>4:2:0</td><td>4:2:0</td><td>4:2:0</td><td>4:2:2</td><td>4:2:2:4</td></tr><tr><td>FPGA (Supports SHQ in logic), <strong>with</strong> SoC, <strong>without</strong> hardware h.26x codec (VCU)<strong>³</strong></td><td><mark style="background-color:red;">NO</mark></td><td><mark style="background-color:red;">NO</mark></td><td><mark style="background-color:red;">NO</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:orange;">RX only</mark></td></tr><tr><td>FPGA (Supports SHQ in logic), <strong>with</strong> SoC, <strong>with</strong> hardware h.26x codec (VCU)<strong>³</strong></td><td><mark style="background-color:orange;">TX only</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:orange;">RX only</mark></td></tr><tr><td>SoC with hardware h.26x codec (no FPGA) — e.g. Ambarella</td><td><mark style="background-color:orange;">TX only (by NewTek, EOL)</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:red;">NO</mark></td><td><mark style="background-color:red;">NO</mark></td><td><mark style="background-color:red;">NO</mark></td></tr><tr><td>Sofware on powerful CPU (GPU acceleration only for NDI HX formats, not SHQ)</td><td><mark style="background-color:orange;">RX only on Mac and Windows</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td><td><mark style="background-color:green;">Rx + Tx</mark></td></tr></tbody></table>