Xiaomi recently released the Redmi Note 9 series which has both 4G and 5G versions. Today, we now have some images from China that show the disassembly of the three models. The disassembly shows the Redmi Note 9 4G, Note 9 5G, and Note 9 Pro which is also a 5G phone.
After removing the back cover, you can find that Redmi Note 9 4G and Note 9 5G use plastic plates, while Note 9 Pro 5G uses glass. The 4G model has a heat dissipation film on the back cover, while the 5G model has a heat dissipation film above the battery. In addition, 5G models have more antennas, which is also expected.
Looking at the camera, the Redmi Note 9 4G has three independent rear sensors, while the 5G version fixes its module on the camera module. The chipset and storage are located on the top of the motherboard, covered under the copper foil. After removing the copper foil, we can clearly see the situation of the three chipsets. Qualcomm’s chipset is located at the right corner of the motherboard, while MediaTek’s chipset is located at the upper right.
On the battery side, the 4G model has the largest battery at 6000 mAh. While the Note 9 5G has a 5000 mAh battery, the Note 9 Pro 5G uses a 4820 mAh. From this disassembly, we can see that there are not many differences between these devices whether 4G or 5G models.
For those who missed the launch specs of the Redmi Note 9 series, here are their specs sheet
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Redmi Note 9 4G specifications
- 6.53-inch (2340 × 1080 pixels) Full HD+ LCD screen with 400 nits brightness, Corning Gorilla Glass 3 protection
- Octa-Core Snapdragon 662 11nm Mobile Platform (Quad 2GHz Kryo 260 + Quad 1.8GHz Kryo 260 CPUs) with Adreno 610 GPU
- 4GB / 6GB / 8GB LPPDDR4x RAM with 128GB (UFS 2.2) storage / 8GB LPPDDR4x RAM with 256GB (UFS 2.2), expandable memory up to 512GB with microSD
- Dual SIM (nano + nano + microSD)
- Android 10 with MIUI 12
- 48MP rear camera with f/1.79 aperture, LED Flash, 8MP 118° ultra-wide sensor with f/2.2 aperture, 2MP depth sensor with f/2.4 aperture
- 8MP front camera with f/2.0 aperture
- Side-mounted fingerprint sensor, IR sensor
- 3.5mm audio jack, FM Radio, Stereo speakers
- Dimensions: 162.26×77.28×9.6mm; Weight: 198g
- Dual 4G VoLTE, Wi-Fi 802.11 ac (2.4GHz + 5GHz), Bluetooth 5, GPS + GLONASS, USB Type-C
- 6000mAh (Typical) / 5900mAh (minimum) battery with 18W fast charging
Redmi Note 9 5G specifications
- 6.53-inch (1080 × 2340 pixels) Full HD+ LCD screen with 450nits brightness, Corning Gorilla Glass 5 protection
- Octa Core (4 x 2.4GHz Cortex-A76 + 4 x 2GHz Cortex-A55 CPUs) MediaTek Dimensity 800U (MT6873V) 7nm processor
- 6GB / 8GB LPDDR4X RAM with 128GB storage / 8GB LPDDR4X RAM with 256GB (UFS 2.2) storage, expandable memory up to 512GB
- Android 10 with MIUI 12
- Dual SIM (nano + nano + microSD)
- 48MP rear camera with f/1.79 aperture, LED Flash, 8MP 118° ultra-wide sensor with f/2.2 aperture, 2MP macro camera with f/2.4 aperture
- 13MP front-facing camera
- Side-mounted fingerprint sensor, IR sensor
- 3.5mm audio jack, Stereo speakers
- Splash resistant (P2i coating)
- Dimensions: 161.96×77.25×9.2mm; Weight:199g
- 5G SA/ NSA, Dual 4G VoLTE, Wi-Fi 802.11 ac (2.4GHz + 5GHz), Bluetooth 5, GPS/GLONASS/Beidou, USB Type-C
- 5000mAh (Typical) / 4900mAh (Minimum) battery with 18W fast charging
Redmi Note 9 Pro 5G specifications
- 6.67-inch (1080 × 2400 pixels) Full HD+ 20:9 LCD screen with 120Hz refresh rate, 450 nits brightness, Corning Gorilla Glass 5 protection
- Octa-Core (2.2GHz Dual + 1.8GHz Hexa Kryo 570 CPUs) Snapdragon 750G 8nm Mobile Platform with Adreno 619 GPU
- 6GB / 8GB LPDDR4X RAM with 128GB (UFS 2.2) storage / 8GB LPDDR4X RAM with 256GB (UFS 2.2) storage, expandable memory up to 512GB
- Android 10 with MIUI 12
- Hybrid Dual SIM (nano + nano / microSD)
- 108MP rear camera with 1/1.52″ Samsung HM2 sensor with 7P lens, 0.7μm pixel size, f/1.75 aperture, LED Flash, 8MP 120° ultra-wide sensor, 2MP depth, and 2MP macro sensor
- 16MP front-facing camera
- Side-mounted fingerprint sensor, IR sensor
- 3.5mm audio jack, Stereo speakers, Hi-Res audio
- Splash resistant (P2i coating)
- Dimensions: 165.38×76.8×9.0mm; Weight:215g
- 5G SA/ NSA, Dual 4G VoLTE, Wi-Fi 802.11 ac (2.4GHz + 5GHz) 2 x 2 MIMO, Bluetooth 5.1, GPS (L1+L5), NFC, USB Type-C
- 4820mAh (Typical) / 4720mAh (Minimum) battery with 33W fast charging