Infinix Note 50s vs Infinix Note 40S
Product
Price
179 USD
179 USD
Status
Available
Available
Brand
Infinix Mobiles
Infinix Mobiles
Model No
X6870
X6850B
Launch Date
2025, April 18
2024, October 31
Technology
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 5, 8, 28, 38, 40, 41
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
5G bands
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G
HSPA, LTE
Dimensions
164.3 x 74.5 x 7.6 mm (6.47 x 2.93 x 0.30 in)
164.1 x 74.6 x 7.8 mm (6.46 x 2.94 x 0.31 in)
Weight
180 g (6.35 oz)
176 g (6.21 oz)
Build
Corning Gorilla Glass 5
IP64 dust tight and water resistant (water splashes)
RGB notification light (on the back)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
Corning Gorilla Glass
IP54, dust and splash resistant
SIM
Nano-SIM + Nano-SIM
Dual SIM (Nano-SIM, dual stand-by)
Colors
Marine Blue, Titanium Grey, Ruby Red
Obsidian Black, Vintage Green
Type
AMOLED, 1B colors, 144Hz, 1300 nits (peak)
AMOLED, 1B colors, 120Hz, 550 nits (typ), 1300 nits (peak)
Size
6.78 inches, 109.9 cm2 (~89.8% screen-to-body ratio)
6.78 inches, 109.9 cm2 (~89.8% screen-to-body ratio)
Resolution
1080 x 2436 pixels (~393 ppi density)
1080 x 2436 pixels (~393 ppi density)
OS
Android 15, up to 2 major Android upgrades, XOS 15
Android 14, up to 2 major Android upgrades, XOS 14
Chipset
Mediatek Dimensity 7300 Ultimate (4 nm)
Mediatek Helio G99 Ultimate
CPU
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G615 MC2
Mali-G57 MC2
RAM
8GB
8GB
Storage
128GB/256GB
256GB
UFS 2.2
Lens 1
64 MP, f/1.8, (wide), 1/1.73", 0.8µm, PDAF
108 MP, f/1.9, 24mm (wide), 1/1.52", PDAF
Lens 2
2 MP
2 MP, f/2.4, (macro)
Features
Dual-LED flash, HDR, panorama
Quad-LED flash, HDR, panorama
Video
4K@30fps, 1080p@30fps
1440p@30fps, 1080p@30/60fps
Lens 3
3rd unspecified camera
Lens 1
13 MP, f/2.2, (wide)
32 MP, f/2.2, (wide), 1/3.1"
Video
4K@30fps, 1080p@30fps
1080p@30fps
Features
Dual-LED flash
Capacity
5500 mAh
5000 mAh, non-removable
Charging
45W wired, 100% in 60 min
10W reverse wired
Bypass Charging
33W wired, 50% in 31 min (advertised)
20W wireless MagCharge
Reverse wired
Reverse wireless
Bypass charging
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
3.5mm jack
No
Tuned by JBL
24-bit/192kHz Hi-Res audio
No
Tuned by JBL
24-bit/192kHz Hi-Res audio
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.4, A2DP, LE
Yes
GPS
Yes
Yes
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
NFC
Yes (market/region dependent)
Radio
FM radio

