Comparison of NAA XB-70 Valkyrie and Northrop Grumman B-2 Spirit [S]ave
| Attribute |  NAA XB-70 Valkyrie × |  Northrop Grumman B-2 Spirit × |
|---|---|---|
| General | ||
| Manufacturer | North American Aviation NAA | Northrop Grumman |
| Model | NAA XB-70 Valkyrie | Northrop Grumman B-2 Spirit |
| Country | United States | United States |
| Manufactured from (year) | 1964 | 1997 |
| Manufactured to (year) | 1969 | 2000 |
| Type | Military Aircraft | Military Aircraft |
| Icao | XB70 | B2 |
| Performance | ||
| Engine | 6x 6 × General Electric YJ93-GE-3 afterburning | 4x 4 × General Electric F118-GE-100 |
| Power, lbf (lbf) | 30,000 | 17,300 |
| Avionics | - | Honeywell and GEC Avionics |
| Max cruise speed (km/h) | 3,217 | 1,019 |
| Travel range (km) | 6,901 | 11,112 |
| Fuel economy (km/l) | 0.068 | 0.117 |
| Service ceiling (m) | 23,576 | 15,240 |
| Rate of climb (m/sec) | 36.42 | 15.24 |
| Take off distance (m) | 2,256 | 2,039 |
| Landing distance (m) | - | 1,052 |
| Weights | ||
| Max take off weight (kg) | 245,847 | 152,635 |
| Max payload (kg) | 9,072 | 20,000 |
| Fuel tank capacity (l) | 136,074 | 94,351 |
| Dimensions | ||
| Seats | 2 | 2 |
| Exterior length (m) | 56.6 | 21 |
| Tail height (m) | 9.1 | 5.18 |
| Wing span (m) | 32 | 52.4 |
| Wing tips | No Winglets | No Winglets |
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