Inside the sleek body of the latest iPhone is one of two chips made by different manufacturers.
After conducting tests, a number of iPhone users have claimed the battery life differs on the iPhone 6s depending on which chip is inside.
But Apple has said these tests are 'not representative of real-world usage,' claiming the battery life of 6s handsets varies within just two and three per cent.
Commentators have branded the issue 'chipgate'.
It has long been rumoured that the A9 chips inside the popular new iPhone 6s and 6s Plus handsets are made by two manufacturers - TSMC and Samsung - and teardowns recently confirmed this.
A number of benchmark tests claim to show a theoretical difference in battery life depending on which A9 chip was tested, with one claiming a 50 minute difference between manufacturers.
Tests first posted on MyDrivers showed that TSMC's chip out-performed Samsung's according to reports on BGR.com.
YouTubers Austin Evans and Jonathan Morrison then both claimed to show that TSMC's chip is slightly more efficient.
Mr Morrison said that Samsung's processor 'runs hotter and yields less battery life...there's definitely a difference of battery life between these two chips'.
Apple told MailOnline that its own testing, as well as data gathered from its customers since the handset launched, shows the battery life of the handsets varies between two and three per cent.
This is regardless of the chips inside them.
The information from customers is collected automatically if they opted in when they set up their phones.
The firm said: 'With the Apple-designed A9 chip in your iPhone 6s or iPhone 6s Plus, you are getting the most advanced smartphone chip in the world.
'Every chip we ship meets Apple's highest standards for providing incredible performance and deliver great battery life, regardless of iPhone 6s capacity, color, or model.
'Certain manufactured lab tests which run the processors with a continuous heavy workload until the battery depletes are not representative of real-world usage, since they spend an unrealistic amount of time at the highest CPU performance state.
'It's a misleading way to measure real-world battery life.
'Our testing and customer data show the actual battery life of the iPhone 6s and iPhone 6s Plus, even taking into account variable component differences, vary within just 2-3 per cent of each other.'
Currently there is no way to tell which chip your iPhone uses.
TechCrunch has noted that the two to three percent difference in battery performance is within the manufacturing tolerances for any device.
最新款的蘋果電話滑膩的機身裏，內置有由分歧廠家臨盆的兩種芯片之一。
經由測試，很多蘋果用戶稱，iPhone 6s的電池壽命的是非因其內部應用的芯片而有所分歧。
但蘋果公司稱，這些測試並不克不及“代表真實情況下的應用狀況”，並宣稱蘋果iPhone 6s的電池壽命差別唯一2-3%。
批評人士將這一事宜稱為“芯片門”。
大受迎接的iPhone 6s和6s Plus電話中內置的A9芯片由兩家分歧制作商(TSMC公司和三星公司)臨盆的傳言由來已久，近期的拆機證明了這一傳言非虛。
很多基準測試表現，依據測試的是哪種A9芯片，電池壽命理論上存在差別，個中一個測試宣稱，兩家分歧制作商臨盆的芯片致使的電池壽命差異有50分鐘。
依據BGR網站的報導，開始宣布在MyDrivers公上的測試表現，TSMC公司臨盆的芯片表示優於三星公司臨盆的芯片。
YouTube用戶奧斯汀·埃文斯(Austin Evans)和喬納森·莫裏森(Jonathan Morrison)均以為TSMC公司的芯片略優。
莫裏森表現，三星處置器“運行時更易發燒，電池壽命更短……這兩種分歧芯片的電池壽命差別相稱顯著”。
蘋果公司告知《逐日郵報在線》(MailOnline)，其內部測試和電話宣布後網絡自客戶的數據均表現，電話電池壽命的差別唯一2-3%。
不管電話內置的是哪一種芯片。
假如客人在設置電話時勾選許可，那末客戶信息將會主動被網絡。
蘋果公司稱：“iPhone 6s和iPhone 6s Plus的內置芯片均為蘋果自立計劃的A9芯片，這是全球最先輩的智妙手機芯片。”
“咱們出貨的每塊芯片都相符蘋果公司的最高尺度，不管是哪一種容量、色彩或格式的iPhone 6s，都可以或許實現卓著的機能和可觀的電池壽命。”
“某些假造的試驗室測試令處置器連續高負荷地運轉，直至電池耗空。因為他們令CPU在最高機能狀況運行的時光是不確切際的，這些測試並不克不及代表芯片在真實情況下的應用狀況。”
“這絕非丈量真實情況下電池壽命的準確辦法。”
“縱然把一些可變身分斟酌在內，咱們的測試和用戶數據表現，iPhone 6s和iPhone 6s Plus的電池壽命的現實差別僅為2%-3%。”
今朝尚未方法通曉你手裏的iPhone應用的是哪一種芯片。
TechCrunch提醒，對付任何裝備而言，2%-3%的電池壽命差別都在加工偏差的許可規模內。
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