I came across this interesting comparison at Baidu Tieba, although the original post has since been deleted. The original comparison is a simple table written entirely in Chinese, so I translated the table to English and added a few commentaries.
Weight of Cannon (lbs)*
|
<500
|
500
|
1000
|
1500
|
2000
|
3000
|
4000>
|
Sixteenth Century Portuguese Galley
| 34+ | ||||||
Ming Dynasty Feng Zhou (early)
| 30+ | ||||||
Ming Dynasty Feng Zhou (late)
| 14+ | ||||||
Mark 1 Warship of Qi Ji Guang's fleet (early)
| 9+ | 1 | |||||
Mark 1 Warship of Qi Ji Guang's fleet (late)
| 14+ | 2 | |||||
Tekkōsen
|
48 – 70
|
3
| |||||
Geobukseon**
| 20 – 30+ | ||||||
Advanced Ming Dynasty War Junk
| 30+ | 14 – 22 | 6 – 8 | ||||
Koxinga-era Gong Chuan
| 100 – 200+ | 20+ | 1 | ||||
Dutch Hired Vessel 'Graaf Hendrik'
| ? | ? | 8 | 10 | 8 | 8 | 2 |
Mông Đồng
| 1 – 2 | ||||||
* Although weight of shot is a more reliable measure of firepower, Chinese records seldom mention them. Chinese gunners also frequently loaded their guns with multiple smaller shots in addition to the main shot (which made them less powerful), making measurement purely by weight of shot very misleading.
** This assume a late variant of Geobukseon/Turtle ship with significantly improved armaments, due to the fact that very little is known about the early, Imjin War-era Geobukseon.Feng Zhou (封舟, lit. 'Investiture ship')
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| A Qing Dynasty Feng Zhou, from 'Ce Feng Liu Qiu Tu (《冊封琉球圖》)'. |


