Compare / Xiaomi Redmi Note 15 (China) vs Xiaomi Redmi K100

Xiaomi Redmi Note 15 (China) vs Xiaomi Redmi K100

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

Overview

Display
Xiaomi Redmi Note 15 (China)
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 (China)
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 (China)
6 / 8 / 12GB RAM
128 GB · 256 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 (China)
50MP
8 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 (China)
5,800mAh
45 W wired
Xiaomi Redmi K100
10,000mAh
100 W wired
Build
Xiaomi Redmi Note 15 (China)
178g
165 × 75.4 × 7.4 mm
IP68
Xiaomi Redmi K100
234.5g
162.9 × 77.9 × 8.7 mm
IP68
Connectivity
Xiaomi Redmi Note 15 (China)
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 (China)

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, 5, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48
5G bands
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
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 (China)

Announced
2025, August 21
Status
Available. Released 2025, August 21

Xiaomi Redmi K100

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

Xiaomi Redmi Note 15 (China)

Dimensions
165 x 75.4 x 7.4 mm (6.50 x 2.97 x 0.29 in)
Weight
178 g (6.28 oz)
SIM

Nano-SIM + Nano-SIM

IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)

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 (China)

Type
AMOLED, 68B colors, 120Hz, 3200 nits (peak)
Size
6.77 inches, 110.9 cm2 (~89.1% screen-to-body ratio)
Resolution
1080 x 2392 pixels (~388 ppi density)
Protection
Xiaomi Dragon Crystal 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 (China)

OS
Android 15, 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 (China)

Card slot
microSDXC (uses shared SIM slot)
Internal

128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 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 (China)

Dual

50 MP, f/1.8, (wide), 1/2.88", 0.61µm, PDAF

Auxiliary lens

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

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 (China)

Single
8 MP, (wide)
Features
HDR, panorama
Video
1080p@30/60fps

Xiaomi Redmi K100

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

Xiaomi Redmi Note 15 (China)

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

No

24-bit/192kHz Hi-Res & Hi-Res wireless 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 (China)

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.1, A2DP, LE
Positioning
GPS, GALILEO, GLONASS, QZSS, BDS (B1l+B1C)
NFC
Yes
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 (China)

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

Xiaomi Redmi K100

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

Xiaomi Redmi Note 15 (China)

Type
Li-Ion 5800 mAh
Charging

45W wired

22.5W 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 (China)

Colors
Black, White, Blue

Xiaomi Redmi K100

Colors
Black, White, Green
Price
About 470 EUR

How the Xiaomi Redmi Note 15 (China) and Xiaomi Redmi K100 differ

  • The Xiaomi Redmi K100 has a larger battery, 10000 mAh against 5800 mAh on the Xiaomi Redmi Note 15 (China).
  • 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 Xiaomi Redmi K100 is the newer of the two, released in October 2026.