Samsung Galaxy S25 Ultra vs Xiaomi 15 Ultra: Full Comparison & Best Flagship Phone 2025
🔥 外观设计：质感与个性的碰撞
三星S25 Ultra：钛金属边框+装甲铝材质，搭配Corning®Gorilla®Armor 2玻璃陶瓷，提供钛银蓝、钛墨黑等7种配色，商务感十足。6.86英寸大屏+圆角设计，握持感舒适，但232g的重量略压手。
小米15 Ultra：灵感源于徕卡相机，经典黑银双拼色+荔枝纹皮后盖，辨识度拉满。6.73英寸全等深微曲屏更轻薄（226g），四曲面中框优化配重，手感更均衡。
👉 小结：三星质感高级，小米设计更年轻化，陶瓷/素皮材质选择更丰富。
🖥️ 屏幕体验：谁才是“视界天花板”？
三星：Dynamic AMOLED 2X屏，3120×1440分辨率+1-120Hz自适应刷新，2600nit峰值亮度，阳光下依旧清晰。
小米：2K全等深微曲屏，3200nit局部亮度行业最高，搭配龙晶玻璃2.0，抗摔性提升16倍。
👉 实测：三星色彩调校更柔和，小米亮度和抗摔性胜出，户外党狂喜！
🚀 性能与散热：骁龙8至尊版的两种表达
共同点：均搭载台积电3nm工艺的骁龙8至尊版芯片，大型游戏满帧无压力。
三星：超频版主频4.47GHz，散热架构升级，持久性能释放更稳。
小米：双路翼型环形冷泵+AI优化，温控表现优秀，《原神》1小时仅温热。
👉 游戏党：三星性能上限更高，小米温控更贴心。
📸 影像对决：单反级PK，谁更出片？
三星S25 Ultra：2亿主摄+双5000万长焦，100倍变焦加持，AI超视觉引擎优化夜景层次感。但弱光变焦噪点明显，色彩偏暖。
小米15 Ultra：1英寸LYT-900主摄+2亿潜望长焦，徕卡影调加持，400mm无损变焦+夜神算法，夜拍纯净度碾压同级。
👉 样张对比：三星细节丰富，小米色彩更真实，长焦稳赢！
🔋 续航与充电：谁能告别电量焦虑？
三星：5000mAh电池+45W有线/15W无线，续航1天够用，但充电速度拖后腿。
小米：6000mAh超大电池+90W有线/80W无线，20分钟充至70%，重度用户安全感爆棚。
👉 续航党：小米“一天一充”无压力，快充体验吊打三星。
💰 价格与选购建议
三星S25 Ultra：12+256GB售9699元，品牌溢价高，适合追求商务旗舰+SPen的用户。
小米15 Ultra：12+256GB仅6499元，性价比之王，摄影/续航党闭眼入。
👉 一句话总结：要面子选三星，要里子冲小米！
Edward Grant 
Ada Stephens 
Bennett Schmidt
I’m torn between these two—Samsung’s build quality and display are hard to beat, but Xiaomi’s camera and battery life make it a no-brainer for me. Guess it depends on what you prioritize more: luxury feel or all-around performance?
The comparison really highlights the strengths of both phones—Samsung’s display and build quality are top-notch, but Xiaomi’s camera and battery life blew me away. For someone like me who loves taking photos and needs a phone that can last all day, the Xiaomi 15 Ultra seems like the clear winner despite Samsung’s premium feel.
This comparison is super helpful! I’m torn between the Samsung’s build quality and the Xiaomi’s camera performance. The Xiaomi seems like a no-brainer for gaming and video enthusiasts, but the Samsung feels more premium overall. Still can’t decide which one to go for though!
This comparison really highlights how different these phones cater to specific preferences. I’m torn between the S25 Ultra’s premium build and the 15 Ultra’s amazing camera performance—both are top-tier in their own ways. For someone who spends hours gaming outdoors, the Xiaomi seems like a no-brainer, but the Samsung feels like it’d be a status symbol worth showing off. Tough call!
I’m torn between these two—Samsung’s build quality and display are top-notch, but Xiaomi’s camera and battery life are just too good to ignore. For someone who uses their phone heavily for photos and needs long battery life, the Xiaomi seems like the smarter pick, despite the higher-end feel of the Samsung.
I’m torn between these two—Samsung’s build quality is hard to beat, but Xiaomi’s camera and battery life are just too good to ignore. For someone who wants a phone that can do it all, the Xiaomi seems like the better value, especially with that insane battery capacity. Still, if I were in the market for a more premium, professional-looking device, the Samsung would definitely catch my eye. Guess it depends on priorities!