Xiaomi Redmi Note 7S vs Tecno Spark 40 Pro
Product
Price
149 USD
149 USD
Status
Available
Available
Brand
Xiaomi Mobiles
Tecno Mobiles
Model No
Redmi Note 7S
KM6
Launch Date
2019, May 09
2025, September 16
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 5, 7, 8, 34, 38, 39, 40, 41
1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66
Speed
HSPA 42.2/5.76 Mbps, LTE-A
HSPA, LTE
Dimensions
159.2 x 75.2 x 8.1 mm (6.27 x 2.96 x 0.32 in)
163.7 x 75.9 x 6.7 mm (6.44 x 2.99 x 0.26 in)
Weight
186 g (6.56 oz)
Build
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame - SPLASH Resistant
Glass front (Gorilla Glass 7i), plastic back, plastic frame
IP64 dust tight and water resistant (water splashes)
Drop resistant up to 1.5m
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Onyx Black, Sapphire Blue, Ruby Red, Astro White
Ink Black, Moon Titanium, Lake Blue, Bamboo Green
Type
IPS LCD capacitive touchscreen, 16M colors
AMOLED, 1B colors, 144Hz, 1600 nits (HBM), 4500 nits (peak)
Size
6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio)
6.78 inches, 111.0 cm2 (~89.3% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
1224 x 2720 pixels, 20:9 ratio (~440 ppi density)
OS
Android 9.0 (Pie), planned upgrade to Android 10, MIUI 12
Android 15, HIOS 15.1
Chipset
Qualcomm SDM660 Snapdragon 660 (14 nm)
Mediatek Helio G100 Ultimate (6 nm)
CPU
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Adreno 512
Mali-G57 MC2
RAM
3GB/4GB
8GB
Storage
32GB/64GB, UFS 2.1
128GB/56GB
Card Slot
No
microSDXC
Lens 1
12 MP, f/2.2, 1/2.9", 1.25µm, PDAF
50 MP, f/1.6, (wide), 1/2.8", 0.64µm, PDAF
Auxiliary lens
Lens 2
2 MP, (depth)
Features
1.6μm large pixel (4-in-1 Super Pixel) GM1 sensor PDAF f/1.8 aperture lens Steady handheld night photography AI Portrait mode Panorama mode Face recognition HDR imaging Low light enhancement Bokeh effect adjustment Face recognition AI Scene detection (33 scenes）
Dual-LED flash, HDR
Video
1080p@30/60/120fps, (gyro-EIS)
1440p@30fps, 1080p@30fps
Lens 1
13 MP, f/2.0, (wide), 1/3.1", 1.12µm
13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Features
AI Portrait mode - AI Beautify Face recognition - HDR - imaging Selfie timer - AI Face unlock - 1.12μm pixel f/2.0 - AI Scene detection (12 scenes）
Dual-LED flash
Video
Video EIS 120fps slow motion recording(720p/1080p) HD 720p at 30fps FHD 1080p at 30fps FHD 1080p at 60fps
1080p@30fps
Capacity
Non-removable Li-Po 4000 mAh battery
5200 mAh
Charging
Fast charging 18W - Quick Charge 4
45W wired
10W reverse wired
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, proximity, compass
Circle to Search
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
Yes
Yes
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE, aptX HD
5.3, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS
Yes
Radio
FM radio
FM radio
USB
microUSB 2.0, USB On-The-Go
USB Type-C 2.0, OTG
NFC
Yes (market/region dependent)