CP神機帳面規格好,手機廠可以從哪裡偷料 - 手機討論

By Olive
at 2019-04-06T23:34
at 2019-04-06T23:34
Table of Contents
先前有好幾篇文章在吵版上的護板神機反指標,無外乎就是CP值高、帳面規格好,但實際體驗很糟的狀況。
因為手機廠會在看不到的地方偷料,很多人選機也只看處理器型號、記憶體大跟電池大小,為了減少下一次護板神機的反指標可能性,先列出一些消費者平常比較不會注意的硬體細節,避免有相關需求的版友踩雷:
1. ROM的介面與供應商品質
ROM在安卓機目前有 eMMC 5.1 與UFS 2.1 兩種主流型號,其中讀寫速度直接影響到了使用壽命,UFS 的優質品大致上讀寫可以到800/200 mb/s。
雖然容量相同,例如64GB,但eMMC 5.1 的最高速度只有250/125 mb/s,並且依據供應商的品質不同有很大的差異(意思是只會更慘)。
這類的儲存裝置效能會隨著時間衰退,會直接影響到手機的使用體驗,這也是低階安卓機為什麼用久了普遍容易頓的原因。(iPhone 用的是 NVMe介面,讀寫可以到1600/250,而且都是由Toshiba供應,品質穩定)
2. 螢幕面板模組
同樣一塊面板不只是解析度,色域、發色準確度都是很重要的指標,就像許多昂貴的專業筆電,它的螢幕解析度雖然只有FHD,但卻有100%的sRGB,不同的面板解析度雖然相同,但發色品質可是大大不同,成本可以差數倍以上,另外觸控面板的IC也會影響到手機的觸控體驗,大小廠的晶片報價價格也是差很大,有些手機的觸控超爛就是這樣來的。
再來是外部的防護層,有些手機廠,例如華為,對中低階的手機是不給防刮的「康寧玻璃」,所以很容易刮花,這點要特別注意。
2. 感測器、喇叭與麥克風
很多手機廠會砍感測器,例如陀螺儀、壓力、距離或是光源,這些消費者也很難注意到,會在通話感應、GPS定位、手機喚醒之類的體感功能產生差異。
再來是喇叭跟麥克風,這便是各廠差距較大的地方,因為設計上與成本的考量,比如說只給一到兩個廉價麥克風,或是只給一個便宜的音響單體,能發出聲音就好,這兩個零件算是蠻昂貴的部分,手機廠能省則省,便宜手機的麥克風收音跟喇叭都不會太好,如果有大量通話需求跟音樂的人較不適合。
3. 通訊模組跟Wifi天線
這是最多人偷料的地方,很多帳面規格好看的機種都在這部分省成本,所以會導致收訊的體驗很糟,這點三星還有華為等等的老牌大廠做得很好,不太容易出問題,通常CA越多的越貴(不一定,看供應商),這部分占手機成本不低,有通話跟網路連線需求的版友可以注意。
4. RAM的品質與速度
許多人只看手機配了幾GB,但其中又分DDR3 及DDR 4 低電壓版,還有通道數也會影響到頻寬,目前旗艦機都會配到LPDDR4 1866 Mhz四通道,有些也會從這邊省成本,導致同樣的記憶體容量,速度卻天差地別。
還有很多細節啦,但上述應該是比較容易產生使用體驗差異的部分,供大家參考,很多品牌會刻意把處理器、相機畫素、記憶體跟電池堆高,卻在上述的零組件省成本,導致出一堆問題跟悲慘的使用體驗。
如果有什麼想補充的也可以,希望這版的護板神機可以開始有參考性QQ
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