Compare / Xiaomi Redmi Note 15 vs Samsung Galaxy A57

Xiaomi Redmi Note 15 vs Samsung Galaxy A57

A side-by-side comparison of the Xiaomi Redmi Note 15 and the Samsung Galaxy A57, covering display, chipset, memory, camera, battery and build.

Overview

Display
Xiaomi Redmi Note 15
6.77inch
AMOLED · 120 Hz
1080 × 2392 · 388 PPI
Samsung Galaxy A57
6.7inch
Super AMOLED+ · 120 Hz
1080 × 2340 · 385 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
Samsung Galaxy A57
Exynos 1680 (4 nm)
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
Xclipse 550 · Android 16
Memory
Xiaomi Redmi Note 15
6 / 8 / 12GB RAM
128 GB · 256 GB · 512 GB storage
microSDXC (uses shared SIM slot)
Samsung Galaxy A57
8 / 12GB RAM
128 GB · 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
Samsung Galaxy A57
50MP Main
12 MP Ultra Wide
5 MP Macro
12 MP selfie
4K@30fps video
Battery
Xiaomi Redmi Note 15
5,520mAh
45 W wired
Samsung Galaxy A57
5,000mAh
45 W wired
Build
Xiaomi Redmi Note 15
178g
164 × 75.4 × 7.4 mm
IP66
Samsung Galaxy A57
179g
161.5 × 76.8 × 6.9 mm
IP68
Connectivity
Xiaomi Redmi Note 15
5GWi-Fi 5Bluetooth 5.1NFCNano-SIM + Nano-SIMUSB Type-C 2.0
Samsung Galaxy A57
5GWi-Fi 6EBluetooth 6.0NFCNano-SIM + eSIMUSB 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

Samsung Galaxy A57

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
5G bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed
HSPA, LTE, 5G

Xiaomi Redmi Note 15

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

Samsung Galaxy A57

Announced
2026, March 25
Status
Available. Released 2026, April 9

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

Samsung Galaxy A57

Dimensions
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Weight
179 g (6.31 oz)
Build
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
SIM

· Nano-SIM + eSIM

· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)

IP68 dust tight and water resistant (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

Samsung Galaxy A57

Type
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Size
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Protection
Corning Gorilla Glass Victus+

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

Samsung Galaxy A57

OS
Android 16, up to 6 major OS updates, One UI 8.5
Chipset
Exynos 1680 (4 nm)
CPU
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
GPU
Xclipse 550

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

Samsung Galaxy A57

Card slot
No
Internal

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

UFS 3.1

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

Samsung Galaxy A57

Triple

50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS

12 MP, f/2.2, 13mm (ultrawide), 1/3.06", 1.12µm

5 MP, f/2.4, (macro)

Features
Best Face, LED flash, panorama, HDR
Video
4K@30fps, 1080p@30/60fps, gyro-EIS

Xiaomi Redmi Note 15

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

Samsung Galaxy A57

Single
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Video
4K@30fps, 1080p@30fps, 10-bit HDR

Xiaomi Redmi Note 15

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

No

24-bit/192kHz Hi-Res audio

Samsung Galaxy A57

Loudspeaker
Yes, with stereo speakers
3.5mm jack
No

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

Samsung Galaxy A57

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Bluetooth
6.0, A2DP, LE
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Yes (market/region dependent)
Radio
No
USB
USB Type-C 2.0, OTG

Xiaomi Redmi Note 15

Sensors

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

Virtual proximity sensing

Samsung Galaxy A57

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

Xiaomi Redmi Note 15

Type
Si/C Li-Ion 5520 mAh
Charging

45W wired

18W reverse wired

Samsung Galaxy A57

Type
5000 mAh
Charging
45W wired

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

Samsung Galaxy A57

Colors
Navy, Gray, Icyblue, Lilac
Models
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
SAR
0.85 W/kg (head)     1.20 W/kg (body)    
SAR EU
0.70 W/kg (head)     1.07 W/kg (body)    
Price
£ 276.89 / € 344.99 / $ 349.99

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

Samsung Galaxy A57

Performance

AnTuTu: 1001995 (v10), 1363464 (v11)

GeekBench: 4411 (v6)

3DMark: 1742 (Wild Life Extreme)

Display
1309 nits max brightness (measured)
Loudspeaker
-26.3 LUFS (Good)
Battery
Active use score 13:59h

Xiaomi Redmi Note 15

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

Samsung Galaxy A57

Energy
Class A
Battery
52:00h endurance, 1200 cycles
Free fall
Class A (270 falls)
Repairability
Class C

How the Xiaomi Redmi Note 15 and Samsung Galaxy A57 differ

  • The Xiaomi Redmi Note 15 has a larger battery, 5520 mAh against 5000 mAh on the Samsung Galaxy A57.
  • The Xiaomi Redmi Note 15 has the bigger screen, 6.77 inches against 6.7 inches.
  • The main cameras are 108 MP on the Xiaomi Redmi Note 15 and 50 MP on the Samsung Galaxy A57.
  • The Samsung Galaxy A57 is the newer of the two, released in April 2026.