Xiaomi Redmi K30S vs Xiaomi Redmi K90
Comparing 2 products
Basic Information
General Overview
Device Type
Bar
Bar
Model
Xiaomi Redmi K30S
Xiaomi Redmi K90
Announced
2020, October
2025, October 23
Released
2020, October
2025, October 23
Status
Available
Available
Estimate Price
-
About 350 EUR
Design
Type
Bar
Bar
Dimensions
165.1 x 76.4 x 9.3 mm (6.5 x 3.01 x 0.37 in)
157.5 x 75.3 x 8 mm (6.20 x 2.96 x 0.31 in)
Weight
216 g (7.62 oz)
206 g (7.27 oz)
Protection
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Glass front, aluminum frame
Colors
Cosmic Black, Lunar Silver
Black, White, Blue, Purple
Network
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Yes
3G Network
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Yes
4G Network
1, 2, 3, 4, 5, 7, 8, 20, 28, 32, 38, 40, 41
Yes
5G Network
1, 3, 7, 8, 20, 28, 38, 41, 77, 78 NSA
Yes
SIM
Nano SIM
Nano SIM
Dual SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Display
Display Type
IPS LCD
AMOLED
Size
6.67 inches, 107.4 cm2 (~85.2% screen-to-body ratio)
6.59 inches, 106.5 cm2 (~89.8% screen-to-body ratio)
Resolution
1080 x 2400 pixels
1156 x 2510 pixels, 19.5:9 ratio
Display Colors
16M colors
1 Billion+
Pixel Density
395 ppi density
419 ppi density
Touch Screen
Capacitive Touchscreen
Yes
Display Protection
Corning Gorilla Glass 5
Glass front, aluminum frame
Features
HDR10+
144Hz refresh rate
500 nits typ. brightness (advertised)
2560Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak)
Media
FM Radio
No
No
Earphone Jack
No
No
Camera
Camera Set
Triple Cameras
Triple Cameras
Main Camera
64 MP, f/1.9, 26mm (wide), 1/1.73", 0.8µm, PDAF
50 MP, f/1.9, 24mm (wide), 1/1.55", 1.0µm, PDAF, OIS
2nd Camera
13 MP, f/2.4, 123˚ (ultrawide), 1.12µm
50 MP, f/2.2, 60mm (telephoto), PDAF, 2.5x optical zoom
3rd Camera
5 MP, f/2.4, (macro), AF
8 MP, f/2.2, 15mm, 120˚ (ultrawide)
Camera Video
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps; gyro-EIS
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Features
HDR, panorama
Color spectrum sensor, HDR, panorama
Flash
LED Flash
LED flash
Selfie Set
Single Camera
Single Camera
Selfie Camera
20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm
20 MP, (wide), 1/2.0
Selfie Video
1080p@30fps, 720p@120fps
1080p@30/60fps
Features
HDR
-
Software
OS
Android 10
Android 16
User Interface
MIUI 12
HyperOS 3
Hardware
Chipset
Qualcomm SM8250 Snapdragon 865 (7 nm+)
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPU
Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Adreno 650
Adreno 830
RAM
8 GB
12/16 GB
Internal Storage
128/256 GB
256GB/512GB/1TB
Card Slot
No
No
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Connectivity
Bluetooth
5.1, A2DP, LE
5.4, A2DP, LE, LHDC 5.0, ASHA
Wi-fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Wi-fi Hotspot
Yes
Yes
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB Type-C, OTG
GPS
Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
NFC
Yes
Yes
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 42.2/5.76 Mbps, LTE-A, 5G (2+ Gbps DL)
HSPA, LTE, 5G
Battery
Battery Type
Li-Poly (Lithium Polymer)
Li-Ion (Lithium Ion)
Capacity
5000 mAh, Battery
Si/C Li-Po 7100 mAh
Placement
Non-removable
Non-removable
Fast Charging
Yes, 33W, Power Delivery 3.0
100W wired, PD3.0, QC3+, 100W PPS / 22.5W reverse wired