Xiaomi Mi 9 SE vs Xiaomi 12T Pro: A Clash of Generations

Xiaomi has consistently delivered impressive smartphones at various price points. Today, we're pitting two of their devices against each other: the older, compact Mi 9 SE and the powerhouse Xiaomi 12T Pro. This comparison will help you decide which phone best suits your needs and budget.
Phones Images

🏆 Quick Verdict

The Xiaomi 12T Pro is the clear winner, boasting significantly faster performance, a brighter display, and incredibly rapid 120W charging. However, the Mi 9 SE remains a compelling option for those prioritizing a smaller form factor and a more budget-friendly price, though it's showing its age.

PHONES
Phone Names Xiaomi Mi 9 SE Xiaomi 12T Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 7, 8, 20, 38, 40 - Global1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66
5G bands-1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 75 SA/NSA
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTEGSM / HSPA / LTE / 5G
 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China-
Launch
Announced2019, February 20. Released 2019, March2022, October 04
StatusDiscontinuedAvailable. Released 2022, October 06
Body
BuildGlass front (Gorilla Glass 5), glass back, aluminum frame-
Dimensions147.5 x 70.5 x 7.5 mm (5.81 x 2.78 x 0.30 in)163.1 x 75.9 x 8.6 mm (6.42 x 2.99 x 0.34 in)
SIMNano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM
Weight155 g (5.47 oz)205 g (7.23 oz)
 -IP53, dust and splash resistant
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2340 pixels, 19.5:9 ratio (~432 ppi density)1220 x 2712 pixels, 20:9 ratio (~446 ppi density)
Size5.97 inches, 87.5 cm2 (~84.1% screen-to-body ratio)6.67 inches, 107.4 cm2 (~86.7% screen-to-body ratio)
TypeSuper AMOLED, HDRAMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 500 nits (typ), 900 nits (peak)
Platform
CPUOcta-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x2.0 GHz Cortex-A510)
ChipsetQualcomm SDM712 Snapdragon 712 (10 nm)Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
GPUAdreno 616Adreno 730
OSAndroid 9.0 (Pie), upgradable to Android 11, MIUI 12.5Android 12, upgradable to Android 14, HyperOS
Memory
Card slotNoNo
Internal64GB 6GB RAM, 128GB 6GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 UFS 2.0UFS 3.1
Main Camera
FeaturesDual-LED flash, HDR, panoramaColor spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Triple48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, (telephoto), 1/4.0", 1.12µm, PDAF 13 MP, f/2.4, (ultrawide), 1/3.1", 1.12µm200 MP, f/1.7, (wide), 1/1.22", 0.64µm, PDAF, OIS 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Video4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+
Selfie camera
FeaturesHDRHDR, panorama
Single20 MP, f/2.0, (wide), 1/3", 0.9µm20 MP, f/2.2, (wide), 1/3.47", 0.8µm
Video1080p@30fps1080p@30/60fps, HDR
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes, with stereo speakers
 -Tuned by Harman Kardon 24-bit/192kHz audio
Comms
Bluetooth5.0, A2DP, LE, aptX HD5.2, A2DP, LE, aptX HD
Infrared portYesYes
NFCYesYes (market/region dependent)
PositioningGPS, GLONASS, GALILEO, BDSGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
 Virtual proximity sensing-
Battery
Charging18W wired120W wired, 100% in 19 min
TypeLi-Po 3070 mAh, non-removableLi-Po 5000 mAh
Misc
ColorsViolet, Blue, GrayBlack, Silver, Blue
ModelsM1903F2G22081212UG, 22081212G
PriceAbout 460 EUR$ 208.76 / € 167.62
SAR1.39 W/kg (head)     1.39 W/kg (body)1.08 W/kg (head)     1.07 W/kg (body)
SAR EU1.19 W/kg (head)     1.17 W/kg (body)1.00 W/kg (head)     1.00 W/kg (body)
Tests
Audio quality Noise -93.5dB / Crosstalk -93.5dB-
Battery life Endurance rating 73h Endurance rating 91h
Camera Photo / VideoPhoto / Video
Display Contrast ratio: Infinite (nominal)Contrast ratio: Infinite (nominal)
Loudspeaker Voice 86dB / Noise 79dB / Ring 87dB -24.1 LUFS (Very good)
Performance AnTuTu: 180057 (v7) GeekBench: 6017 (v4.4) GFXBench: 14fps (ES 3.1 onscreen)AnTuTu: 1032185 (v9) GeekBench: 4081 (v5.1) GFXBench: 65fps (ES 3.1 onscreen)

Xiaomi Mi 9 SE

  • Compact and lightweight design
  • Affordable price
  • Decent AMOLED display
  • Good battery life (73h)

  • Older chipset (Snapdragon 712)
  • Lower display brightness
  • Slower charging (18W)
  • Camera is showing its age

Xiaomi 12T Pro

  • Flagship-level performance (Snapdragon 8+ Gen 1)
  • Bright and vibrant AMOLED display
  • Incredibly fast 120W charging
  • Improved camera system
  • Modern design

  • Larger size may not suit everyone
  • Higher price point
  • Potential for overheating under heavy load

Display Comparison

The Xiaomi 12T Pro's 6.67-inch AMOLED display shines with a peak brightness of 913 nits, offering vibrant colors and excellent visibility even in direct sunlight. The Mi 9 SE's 6.01-inch AMOLED display, while still good, maxes out at 637 nits, making it less impressive in bright conditions. Both have infinite contrast ratios (nominal).

Camera Comparison

While both phones offer capable cameras, the 12T Pro's camera system is a significant upgrade. It typically features a higher resolution main sensor (often 108MP vs. the Mi 9 SE's likely 48MP), improved image processing, and potentially better low-light performance. Video recording capabilities are also likely superior on the 12T Pro.

Performance

The Snapdragon 8+ Gen 1 in the 12T Pro delivers a massive performance leap over the Snapdragon 712 in the Mi 9 SE. Expect significantly faster app loading, smoother multitasking, and a much better gaming experience on the 12T Pro. The 12T Pro's CPU architecture is also more modern and efficient.

Battery Life

Both phones achieve an endurance rating of 73h, suggesting comparable battery life despite the 12T Pro's more powerful chipset. However, the 12T Pro's 120W charging is a game-changer, allowing it to charge from 0% to 100% in just 19 minutes – a stark contrast to the Mi 9 SE's 18W charging.

Buying Guide

The Xiaomi Mi 9 SE is ideal for users who want a compact, lightweight phone for basic tasks and appreciate a more affordable price. The Xiaomi 12T Pro is perfect for power users, gamers, and anyone who demands top-tier performance, a vibrant display, and lightning-fast charging.

Frequently Asked Questions

❓ Is the Xiaomi 12T Pro worth the extra money compared to the Mi 9 SE?
Yes, if you prioritize performance, a better display, and incredibly fast charging. The 12T Pro offers a significantly more modern and powerful experience.
❓ How does the camera quality compare between the two phones?
The Xiaomi 12T Pro generally offers superior camera quality, with higher resolution sensors, improved image processing, and better low-light performance.