Xiaomi Mi 9T vs Samsung Galaxy A70s: A Deep Dive into Mid-Range Performance

The Xiaomi Mi 9T and Samsung Galaxy A70s represent compelling options in the mid-range smartphone market, both aiming to deliver a premium experience without the flagship price tag. Released around the same time, they compete directly for the attention of budget-conscious consumers. This comparison dissects their key differences, focusing on performance, display quality, and charging capabilities to determine which device offers the most value.
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🏆 Quick Verdict

For the average user prioritizing overall performance and display quality, the Xiaomi Mi 9T emerges as the stronger contender. Its Snapdragon 730 chipset, built on a more efficient 8nm process, provides a noticeable performance edge over the A70s’ Snapdragon 675. While the A70s boasts faster 25W charging, the Mi 9T’s brighter display and superior processing power make it the better all-rounder.

PHONES
Phone Names Xiaomi Mi 9T Samsung Galaxy A70s
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 401, 3, 5, 7, 8, 20, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 -HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Launch
Announced2019, June 12. Released 2019, June 122019, September. Released 2019, September
StatusDiscontinuedDiscontinued
Body
BuildGlass front (Gorilla Glass 5), glass back, aluminum frameGlass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)164.3 x 76.7 x 7.9 mm (6.47 x 3.02 x 0.31 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight191 g (6.74 oz)187 g (6.60 oz)
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass (unspecified)
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio)6.7 inches, 108.4 cm2 (~86.0% screen-to-body ratio)
TypeAMOLED, HDRSuper AMOLED
Platform
CPUOcta-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
ChipsetQualcomm SDM730 Snapdragon 730 (8 nm)Qualcomm SDM675 Snapdragon 675 (11 nm)
GPUAdreno 618Adreno 612
OSAndroid 9.0 (Pie), upgradable to Android 11, MIUI 12.1Android 9.0 (Pie), upgradable to Android 11, One UI 3.1
Memory
Card slotNomicroSDXC (dedicated slot)
Internal64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM128GB 6GB RAM, 128GB 8GB RAM
 UFS 2.0UFS 2.0
Main Camera
FeaturesDual-LED flash, HDR, panoramaLED flash, panorama, HDR
Triple48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom 13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm Auxiliary lens
Video4K@30fps, 1080p@30/120/240fps, 1080p@960fps4K@30fps, 1080p@30/240fps
Selfie camera
FeaturesHDRHDR
SingleMotorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm32 MP, f/2.0, 25mm (wide), 1/2.8", 0.8µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
 24-bit/192kHz audio -
Comms
Bluetooth5.0, A2DP, LE, aptX HD5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio
USBUSB Type-C 2.0, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
 -ANT+
Battery
Charging18W wired25W wired
TypeLi-Po 4000 mAh, non-removableLi-Po 4500 mAh, non-removable
Misc
ColorsCarbon black, Red flame, Glacier bluePrism Crush Red, Prism Crush White, Prism Crush Black
ModelsM1903F10GSM-A707F, SM-A707FN, SM-A707GM, SM-A707MN, SM-A7070, SM-A707W
PriceAbout 460 EURAbout 380 EUR
SAR1.19 W/kg (head)     1.18 W/kg (body)-
SAR EU1.34 W/kg (head)     1.51 W/kg (body)0.42 W/kg (head)     1.48 W/kg (body)
Tests
Audio quality Noise -93.5dB / Crosstalk -93.8dB-
Battery lifeEndurance rating 100h-
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal)-
Loudspeaker -25.3 LUFS (Very good)-
Performance AnTuTu: 211915 (v7), 257146 (v8) GeekBench: 6863 (v4.4), 1703 (v5.1) GFXBench: 13fps (ES 3.1 onscreen)-

Xiaomi Mi 9T

  • Superior performance with Snapdragon 730
  • Brighter display for better outdoor visibility
  • More efficient 8nm chipset for better thermal management

  • Slower 18W charging
  • Battery capacity not specified

Samsung Galaxy A70s

  • Faster 25W wired charging
  • Potentially more affordable price point
  • Solid performance for everyday tasks

  • Less powerful Snapdragon 675 chipset
  • Likely lower display brightness

Display Comparison

The Xiaomi Mi 9T features a display capable of reaching 646 nits of peak brightness, a significant advantage over what’s typically found in this price bracket. While both phones likely utilize similar LCD panel technology given their market segment, the higher brightness translates to better visibility outdoors. Contrast ratio is listed as infinite (nominal) for the Mi 9T, suggesting a good level of black reproduction for an LCD. The A70s’ display specifications are not provided, making a direct comparison difficult, but it’s reasonable to assume it offers a standard viewing experience for its class.

Camera Comparison

Both phones are equipped with photo and video capabilities, but detailed camera specifications are limited. Without information on sensor sizes, apertures, or image processing algorithms, a definitive comparison is challenging. It’s likely both devices rely on software processing to enhance image quality. The presence of a 2MP macro camera on either device is unlikely to significantly impact overall camera performance, serving more as a marketing feature than a substantial upgrade. The focus should be on the main sensor’s capabilities, which remain unspecified.

Performance

The core difference between these two devices lies in their chipsets. The Mi 9T’s Qualcomm Snapdragon 730 (8nm) boasts a more modern architecture and a smaller fabrication process compared to the A70s’ Snapdragon 675 (11nm). This 8nm process allows for greater transistor density and improved thermal efficiency, meaning the Mi 9T is less likely to throttle under sustained load. The Mi 9T’s CPU configuration – octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) – also offers a slight clock speed advantage over the A70s’ (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver). This translates to snappier app launches and smoother multitasking.

Battery Life

The Mi 9T boasts an endurance rating of 100 hours, indicating solid battery life. While the actual mAh capacity isn’t provided, this rating suggests efficient power management coupled with the Snapdragon 730’s 8nm process. The A70s compensates for a potentially smaller battery with its 25W wired charging, significantly faster than the Mi 9T’s 18W charging. This means the A70s can replenish its battery much quicker, a crucial advantage for users who prioritize convenience. However, the Mi 9T’s overall endurance rating suggests it may last longer on a single charge despite the slower charging speed.

Buying Guide

Buy the Xiaomi Mi 9T if you need a phone that can handle demanding apps and games with relative ease, and if a brighter, more vibrant display is a priority. It’s ideal for media consumption and users who want a smoother, more responsive experience. Buy the Samsung Galaxy A70s if faster charging is paramount, and you primarily use your phone for basic tasks like calling, texting, and social media. It’s a solid choice for those who value convenience over raw power.

Frequently Asked Questions

❓ Will the Snapdragon 675 in the Galaxy A70s struggle with graphically intensive games like PUBG?
The Snapdragon 675 is capable of running PUBG, but you may need to lower the graphics settings to achieve a consistently smooth frame rate. The Mi 9T’s Snapdragon 730 offers a more comfortable gaming experience with higher settings and less frame rate fluctuation due to its more powerful GPU and efficient thermal design.
❓ How long does it realistically take to fully charge the Galaxy A70s with the 25W charger?
With the 25W charger, the Galaxy A70s can typically charge from 0% to 100% in approximately 1 hour and 30 minutes, depending on usage during charging. This is significantly faster than the Mi 9T’s 18W charging, which would likely take closer to 2 hours.
❓ Is the difference in chipset performance between the Snapdragon 730 and 675 noticeable in everyday use?
For basic tasks like browsing, social media, and messaging, the difference may be subtle. However, when multitasking, launching demanding apps, or editing photos/videos, the Snapdragon 730 in the Mi 9T will provide a noticeably smoother and more responsive experience.