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KJ-2000 Mainring vs P-8 Poseidon

KJ-2000 Mainring vs P-8 Poseidon at a glance — top speed 850 vs 907 km/h, range 5,500 vs 2,225 km, max takeoff weight 175,000 vs 85,820 kg, built 5 vs 187 units.

Xian KJ-2000 Mainring military special mission aircraft side profile drawing
🇨🇳 KJ-2000 Mainring
Boeing P-8 Poseidon military special mission aircraft side profile drawing
🇺🇸 P-8 Poseidon
Specifications
KJ-2000 Mainring P-8 Poseidon
Origin country 🇨🇳 China 🇺🇸 United States
Category Military Special Mission Aircraft Military Special Mission Aircraft
Manufacturer Xian Boeing
First flight 1 January 2003 25 April 2009
Year introduced 2005 2013
Number produced 5 units 187 units
Average unit price -- $150 million
Wingspan -- m 37.6 m
Height -- m 12.8 m
Length -- m 39.5 m
Maximum speed 850 km/h 907 km/h
Operational range 5,500 km 2,225 km
Service ceiling -- m 12,500 m
Max. takeoff weight 175,000 kg 85,820 kg
Empty weight -- kg 62,730 kg
Total thrust -- 2 x 121 kN
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the KJ-2000 Mainring or P-8 Poseidon?
The P-8 Poseidon is faster with a maximum speed of 907 km/h compared to the KJ-2000 Mainring's 850 km/h, a difference of 57 km/h.
Which has longer range, the KJ-2000 Mainring or P-8 Poseidon?
The KJ-2000 Mainring has a longer range at 5,500 km compared to the P-8 Poseidon's 2,225 km.
Which can fly higher, the KJ-2000 Mainring or P-8 Poseidon?
The P-8 Poseidon has a higher service ceiling at 12,500 meters (41,010 ft) compared to the KJ-2000 Mainring's 0 meters (0 ft).
Which is heavier, the KJ-2000 Mainring or P-8 Poseidon?
The KJ-2000 Mainring has a higher maximum takeoff weight at 175,000 kg compared to the P-8 Poseidon's 85,820 kg.
Which is larger, the KJ-2000 Mainring or P-8 Poseidon?
The P-8 Poseidon is longer at 39.5 meters compared to the KJ-2000 Mainring's 0.0 meters.
Which entered service first, the KJ-2000 Mainring or P-8 Poseidon?
The KJ-2000 Mainring entered service first in 2005, 8 years before the P-8 Poseidon which entered service in 2013.
Which has been built in greater numbers, the KJ-2000 Mainring or P-8 Poseidon?
The P-8 Poseidon has been produced in greater numbers with 187 units compared to 5 units of the KJ-2000 Mainring.