Head to head

Long March 3B/E vs Vostok 8A92

Two vehicles in the same payload class. Every figure below comes from the same two sources for both rockets, and a row appears only when both publish the input.

Payload to low Earth orbit

Relative

Long March 3B/E: 12,000 kg

Vostok 8A92: 4,730 kg

Side by side

8 comparable figures

The highlighted value wins the row. Rows where neither direction is better, like length or stage count, highlight nothing.

Metric	Long March 3B/E	Vostok 8A92
Flights flown	78	44
Success rate	97.4%	90.9%
Payload to LEO (kg)	12,000	4,730
Liftoff thrust (kN)	5,924	3,996
Length (m)	56.3	30.84
Diameter (m)	3.35	2.99
Launch mass (t)	456	281
Stages	3	2

Long March 3B/E

Flight record

97.4% success rate76 of 78 flown · 2 failed

2007peak 2025 · 13 flights2026

Maiden flight 2007-05-13. Still flying.

Vostok 8A92

Flight record

90.9% success rate40 of 44 flown · 4 failed

1962peak 1966 · 10 flights1967

Maiden flight 1962-06-01. Retired.

Long March 3B/E is built by China Aerospace Science and Technology Corporation of China.Vostok 8A92 is built by RKK Energiya of Russia.

Full specifications and the complete launch history for each: Long March 3B/E · Vostok 8A92.

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.