Compare / Xiaomi Redmi Note 15 vs Xiaomi Redmi K100

Xiaomi Redmi Note 15 vs Xiaomi Redmi K100

A side-by-side comparison of the Xiaomi Redmi Note 15 and the Xiaomi Redmi K100, covering display, chipset, memory, camera, battery and build.

Overview

Display
Xiaomi Redmi Note 15
6.77inch
AMOLED · 120 Hz
1080 × 2392 · 388 PPI
Xiaomi Redmi K100
6.83inch
AMOLED · 165 Hz
1280 × 2772 · 447 PPI
Chip
Xiaomi Redmi Note 15
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
Adreno 710 · Android 15
Xiaomi Redmi K100
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Adreno 840 · Android 17
Memory
Xiaomi Redmi Note 15
6 / 8 / 12GB RAM
128 GB · 256 GB · 512 GB storage
microSDXC (uses shared SIM slot)
Xiaomi Redmi K100
12 / 16GB RAM
256 GB · 512 GB storage
No card slot
Camera
Xiaomi Redmi Note 15
108MP Main
8 MP Ultra Wide
20 MP selfie
4K@30fps video
Xiaomi Redmi K100
50MP Main
8 MP Ultra Wide
20 MP selfie
8K@30fps video
Battery
Xiaomi Redmi Note 15
5,520mAh
45 W wired
Xiaomi Redmi K100
10,000mAh
100 W wired
Build
Xiaomi Redmi Note 15
178g
164 × 75.4 × 7.4 mm
IP66
Xiaomi Redmi K100
234.5g
162.9 × 77.9 × 8.7 mm
IP68
Connectivity
Xiaomi Redmi Note 15
5GWi-Fi 5Bluetooth 5.1NFCNano-SIM + Nano-SIMUSB Type-C 2.0
Xiaomi Redmi K100
5GWi-Fi 7Bluetooth 5.4NFCNano-SIM + Nano-SIMUSB Type-C 2.0

Specifications

Xiaomi Redmi Note 15

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands

HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - International

HSDPA 850 / 900 / 2100 - India

4G bands

1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71 - International

1, 3, 5, 8, 28, 40, 41 - India

5G bands

1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - International

1, 3, 5, 8, 28, 40, 78 SA/NSA - India

Speed
HSPA, LTE, 5G

Xiaomi Redmi K100

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands
1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Xiaomi Redmi Note 15

Announced
2025, December 18
Status
Available. Released 2026, January 06

Xiaomi Redmi K100

Announced
2026, October 27
Status
Available. Released 2026, October 27

Xiaomi Redmi Note 15

Dimensions
164 x 75.4 x 7.4 mm (6.46 x 2.97 x 0.29 in)
Weight
178 g (6.28 oz)
Build
Glass front, plastic frame, plastic back
SIM

Nano-SIM + Nano-SIM

IP66 dust tight and water resistant (high pressure water jets)

Drop resistant up to 1.7m

MIL-STD-810H compliant*

* does not guarantee ruggedness or use in extreme conditions

Xiaomi Redmi K100

Dimensions
162.9 x 77.9 x 8.7 mm (6.41 x 3.07 x 0.34 in)
Weight
234.5 g (8.29 oz)
Build
Glass front, aluminum frame
SIM

Nano-SIM + Nano-SIM

IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

Xiaomi Redmi Note 15

Type
AMOLED68B colors120Hz3840Hz PWMHDR10+800 nits (typ)3200 nits (peak)
Size
6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio)
Resolution
1080 x 2392 pixels (~388 ppi density)
Protection
Scratch/drop-resistant glass

Xiaomi Redmi K100

Type
AMOLED68B colors165HzDolby VisionHDR VividHDR10+3500 nits (HBM)9000 nits (peak)*
Size
6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Resolution

1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)

* Measured at an isolated spot during video playback only

Xiaomi Redmi Note 15

OS
Android 15, up to 4 major OS updates, HyperOS 2
Chipset
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Adreno 710

Xiaomi Redmi K100

OS
Android 17, HyperOS 4
Chipset
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPU
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Adreno 840

Xiaomi Redmi Note 15

Card slot
microSDXC (uses shared SIM slot)
Internal

128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM, 512GB 12GB RAM

UFS 2.2

Xiaomi Redmi K100

Card slot
No
Internal

256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM

UFS 4.1

Xiaomi Redmi Note 15

Dual

108 MP, f/1.7, 24mm (wide), 1/1.67", 0.64µm, PDAF, OIS

8 MP, f/2.2, 16mm (ultrawide), 1/4.0", 1.12µm

Features
LED flash, HDR, panorama
Video
4K@30fps, 1080p@30fps, gyro-EIS, OIS

Xiaomi Redmi K100

Dual

50 MP, f/1.7, (wide), 1/1.55", 1.0µm, PDAF, OIS

8 MP, f/2.2, 15mm, 120˚ (ultrawide), 1/4.0", 1.12µm

Features
Color spectrum sensor, LED flash, HDR, panorama
Video
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+

Xiaomi Redmi Note 15

Single
20 MP, f/2.2, 21mm (wide), 1/4.0"
Video
1080p@30fps

Xiaomi Redmi K100

Single
20 MP, (wide), 1/2.0", 0.8µm
Video
1080p@30/60fps

Xiaomi Redmi Note 15

Loudspeaker
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack

No

24-bit/192kHz Hi-Res audio

Xiaomi Redmi K100

Loudspeaker
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack

No

Tuned by Bose

24-bit/192kHz Hi-Res & Hi-Res wireless audio

Xiaomi Redmi Note 15

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.1 or 5.3, A2DP, LE
Positioning
GPS, GLONASS, BDS, GALILEO
NFC
Yes (market/region dependent)
Infrared port
Yes
Radio
No
USB
USB Type-C 2.0, OTG

Xiaomi Redmi K100

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
5.4, A2DP, LE, LHDC 5.0, ASHA, Auracast
Positioning
GPS (L1+L5)BDS (B1I+B1c+B2a)GALILEO (E1+E5a)QZSS (L1+L5)NavICGLONASS
NFC
Yes
Infrared port
Yes
Radio
No
USB
USB Type-C 2.0, OTG

Xiaomi Redmi Note 15

Sensors

Fingerprint (under display, optical), accelerometer, gyro, compass

Virtual proximity sensing

Xiaomi Redmi K100

Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass

Xiaomi Redmi Note 15

Type
Si/C Li-Ion 5520 mAh
Charging

45W wired

18W reverse wired

Xiaomi Redmi K100

Type
Si/C Li-Ion 10000 mAh
Charging

100W wired, PD3.0, QC3+, 100W PPS

27W reverse wired

Bypass charging

Xiaomi Redmi Note 15

Colors
Black, Glacier Blue, Mist Purple
Models
25096RA9BG, 25098RA98G
SAR EU
1.00 W/kg (head)     0.99 W/kg (body)    
Price
€ 302.66 / $ 279.50

Xiaomi Redmi K100

Colors
Black, White, Green
Price
About 470 EUR

Xiaomi Redmi Note 15

Performance

AnTuTu: 637266 (v10)

GeekBench: 2958 (v6)

3DMark: 861 (Wild Life Extreme)

Display
1524 nits max brightness (measured)
Loudspeaker
-23.4 LUFS (Very good)
Battery
Active use score 14:12h

Xiaomi Redmi K100

Not listed for this device

Xiaomi Redmi Note 15

Energy
Class B
Battery
51:22h endurance, 1000 cycles
Free fall
Class A (270 falls)
Repairability
Class C

Xiaomi Redmi K100

Not listed for this device

How the Xiaomi Redmi Note 15 and Xiaomi Redmi K100 differ

  • The Xiaomi Redmi K100 has a larger battery, 10000 mAh against 5520 mAh on the Xiaomi Redmi Note 15.
  • The Xiaomi Redmi K100 has the bigger screen, 6.83 inches against 6.77 inches.
  • The Xiaomi Redmi K100 offers more RAM, up to 16 GB against 12 GB.
  • The main cameras are 108 MP on the Xiaomi Redmi Note 15 and 50 MP on the Xiaomi Redmi K100.
  • The Xiaomi Redmi K100 is the newer of the two, released in October 2026.