It can be seen that mi4 is shorter, narrower and thicker than mi3.

Xiaomi 4 adopts ultra-narrow bezel, which is more conducive to one-handed operation.

2. The mobile version of Xiaomi 3 adopts NVIDIA tegra4 processor, which has strong performance and smooth game, but the fever problem is serious.

Unicom version and telecom version are Qualcomm Xiaolong 800, and mi4' s Qualcomm Snapdragon 80 1 is better.

3. Xiaomi 3 has 2GB of memory and Xiaomi 4 has 3GB of memory, which is better for most tasks.

4. Xiaomi 3 supports nfc, Xiaomi 4 does not, Xiaomi 4 supports infrared and Xiaomi 3 does not.

5. Xiaomi 4 adopts austenitic 304 stainless steel metal frame, which is more stable as a whole, and the technology of Mi 4 has made great progress compared with Mi 3.

6.Mi4 will support 4G later.

7. Xiaomi 3 main camera130,000 pixels, Xiaomi 4 main camera130,000 pixels, 8 million pixels.

8. Xiaomi 4 supports 4K video recording at most, and Xiaomi only supports 1080P video recording at most.

9. The first batch of 9 models without mobile version of Xiaomi 3. MIUI 6 adapts to mobile phones.