R-27 vs R-77

R-27

Russian air-to-air missile, entered service in 1983, guided by semi-active radar homing.
Origin	🇷🇺 Russia, 🇷🇺 Ex-USSR
Category	Air-to-Air
Type	Semi-active radar-guided air-to-air missile
Manufacturer	Vympel
Service year	1983
Number produced	-- units
Estimated unit price	NA

Russian air-to-air missile, entered service in 1994, uses active radar homing for guidance.
Origin	🇷🇺 Russia
Category	Air-to-Air
Type	Active radar-guided air-to-air missile
Manufacturer	Vympel
Service year	1994
Number produced	-- units
Estimated unit price	NA

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Which has longer range, the R-27 or R-77?

Both the R-27 and R-77 have the same range of 80 km.

Which is faster, the R-27 or R-77?

The R-27 is faster with a maximum speed of Mach 4.5 compared to the R-77's Mach 4.0.

Which has a larger warhead, the R-27 or R-77?

The R-27 carries a larger warhead at 39 kg compared to the R-77's 30 kg.

Which is heavier, the R-27 or R-77?

The R-27 is heavier at 253 kg compared to the R-77's 226 kg.

Which is longer, the R-27 or R-77?

The R-27 is longer at 4.08 meters compared to the R-77's 3.60 meters.

What guidance systems do the R-27 and R-77 use?

The R-27 uses Semi-active radar homing guidance while the R-77 uses Active radar homing guidance.

Which entered service first, the R-27 or R-77?

The R-27 entered service first in 1983, 11 years before the R-77 which entered service in 1994.