Superimposition MaterialEfficiency Optimization Chip
Efficiency Optimization Chip is a 4★ material in Honkai: Star Rail — see how to get it, its use, and related items right below on this page.
Efficiency Optimization Chip is a material ★4 in Honkai: Star Rail. This item is not currently used to level up any character or Light Cone.
Last updated: 30/07/2026
The figures on this page come directly from gamevika's internal game data store (counted/read straight from the real records), not an estimate or copy from elsewhere.
Description
After entering combat, reduces the Energy required for Ultimate by 1. Energy can be reduced by up to 2 points max.
Lore
A game item in Aetherium Wars. Aether Spirits will gain a special enhanced ability after equipping it.
Stats
| Rarity | ★★★★ |
| Type | Superimposition Material |
| Stack limit | 100 |
Official names in every language
| Tiếng Việt | Chip Tối Ưu Hiệu Quả |
| English | Efficiency Optimization Chip |
| 日本語 | チップ「省エネ」 |
| 한국어 | 효율 최적화 칩 |
| 繁體中文 | 降耗增效晶片 |
| 简体中文 | 降耗增效芯片 |
Same-type items
FAQ
What is Efficiency Optimization Chip?
After entering combat, reduces the Energy required for Ultimate by 1. Energy can be reduced by up to 2 points max.
Where do you get Efficiency Optimization Chip?
Official drop/source data for Efficiency Optimization Chip isn't published yet — check back after the next data sync.
What type of item is Efficiency Optimization Chip?
Efficiency Optimization Chip is a 4★ material in Honkai: Star Rail, in the “Superimposition Material” category.
What is Efficiency Optimization Chip used for?
Efficiency Optimization Chip currently isn't listed as required by any character ascension, Light Cone ascension, or crafting recipe in official data.