8 月 24 日，小米举行玄戒芯片技术沟通会，正式发布玄戒 O3 旗舰 SoC 2。同日，小米 18 Fold 全新折叠旗舰机开启百元预约 1。该机将首发搭载自研玄戒 O3 AI 旗舰芯片，并计划于 9 月正式上市 12。小米集团合伙人、总裁、手机部总裁兼小米品牌总经理卢伟冰已换上该新机，并预热称：“新手机，非常棒，9 月见！” 12
玄戒 O3 的安兔兔跑分高达 522 万分，是首个突破 500 万分的旗舰 SoC 2。该芯片 CPU 采用十核全大核设计，多核跑分首次突破 15000 分，性能提升 60% 2。其 GPU 首发 G2-Ultra NX 图形处理器，性能提升 85%，功耗降低 64% 2。同时，玄戒 O3 作为全球首个支持 LPDDR6 的移动处理器，带宽高达 113.8GB/s，相比玄戒 O1 提升 48% 2。其 NPU 拥有 200TOPS 张量算力和 3.13TFLOPS 向量算力，端侧 AI 性能提升 45% 2。
Xiaomi has officially opened a 100-yuan reservation for its upcoming Xiaomi 18 Fold foldable flagship smartphone 1. The device is scheduled to officially launch in September and will be the first to feature the company's self-developed Xuanjie O3 AI flagship processor 12. The Xuanjie O3 chip was officially unveiled during a Xuanjie chip technology communication conference held on August 24, 2025 12. Highlighting the upcoming release, Lu Weibing, Xiaomi Group Partner and President, President of the Smartphone Department, and General Manager of the Xiaomi Brand, has already switched to the new Xiaomi 18 Fold 12. He teased the device, stating, "New phone, very awesome, see you in September!" 12
The Xuanjie O3 processor has achieved an AnTuTu benchmark score of 5.22 million, making it the first flagship System on Chip (SoC) to surpass the 5 million mark 12. Its central processing unit utilizes a 10-core all-big-core design, with multi-core scores breaking 15,000 for the first time, representing a 60% performance increase 2. For graphics, the chip debuts the G2-Ultra NX GPU, delivering an 85% performance boost while reducing power consumption by 64% 2. Furthermore, the Xuanjie O3 is the world's first mobile processor to support LPDDR6 memory, offering a bandwidth of up to 113.8GB/s, which is a 48% improvement over the previous Xuanjie O1 2. The chip's Neural Processing Unit features 200 TOPS of tensor computing power and 3.13 TFLOPS of vector computing power, resulting in a 45% enhancement in on-device AI performance 2.
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