Compare / Galaxy A18 4G vs Xiaomi Redmi Note 15 4G

Galaxy A18 4G vs Xiaomi Redmi Note 15 4G

A side-by-side comparison of the Galaxy A18 4G and the Xiaomi Redmi Note 15 4G, covering display, chipset, memory, camera, battery and build.

Galaxy A18 4G
Samsung
Galaxy A18 4G

Overview

Display
Galaxy A18 4G
6.7inch
Super AMOLED · 90 Hz
1080 × 2340 · 385 PPI
Xiaomi Redmi Note 15 4G
6.77inch
AMOLED · 120 Hz
1080 × 2392 · 388 PPI
Chip
Galaxy A18 4G
Exynos 1610
Octa-core (2x2.4 GHz Cortex-A7X & 6x2.0 GHz Cortex-A55)
Mali-G68 · Android 17
Xiaomi Redmi Note 15 4G
Mediatek Helio G100 Ultra (6 nm)
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Mali-G57 MC2 · Android 15
Memory
Galaxy A18 4G
4GB RAM
64 GB · 128 GB · 256 GB storage
microSDXC (uses shared SIM slot)
Xiaomi Redmi Note 15 4G
6 / 8GB RAM
128 GB · 256 GB · 512 GB storage
microSDXC (uses shared SIM slot)
Camera
Galaxy A18 4G
50MP Main
5 MP Ultra Wide
2 MP Macro
13 MP selfie
1080p@30fps video
Xiaomi Redmi Note 15 4G
108MP
20 MP selfie
1080p@30/60fps video
Battery
Galaxy A18 4G
5,000mAh
25 W wired
Xiaomi Redmi Note 15 4G
6,000mAh
33 W wired
Build
Galaxy A18 4G
196g
164.4 × 77.9 × 7.7 mm
IP64
Xiaomi Redmi Note 15 4G
183.7g
164 × 75.4 × 7.9 mm
IP64
Connectivity
Galaxy A18 4G
4GWi-Fi 5Bluetooth 5.3NFCNano-SIM + Nano-SIMUSB Type-C 2.0
Xiaomi Redmi Note 15 4G
4GWi-Fi 5Bluetooth 5.3NFCNano-SIM + Nano-SIMUSB Type-C 2.0

Specifications

Galaxy A18 4G

Technology
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed
HSPA, LTE

Xiaomi Redmi Note 15 4G

Technology
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 40, 41, 66
Speed
HSPA, LTE

Galaxy A18 4G

Announced
2026, September 15
Status
Available. Released 2026, September 18

Xiaomi Redmi Note 15 4G

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

Galaxy A18 4G

Dimensions
164.4 x 77.9 x 7.7 mm (6.47 x 3.07 x 0.30 in)
Weight
196 g (6.91 oz)
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM

Nano-SIM + Nano-SIM

IP64 dust tight and water resistant (water splashes)

Xiaomi Redmi Note 15 4G

Dimensions
164 x 75.4 x 7.9 mm (6.46 x 2.97 x 0.31 in)
Weight
183.7 g (6.49 oz)
SIM

Nano-SIM + Nano-SIM

IP64 dust tight and water resistant (water splashes)

Galaxy A18 4G

Type
Super AMOLED, 90Hz
Size
6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Protection
Corning Gorilla Glass 3

Xiaomi Redmi Note 15 4G

Type
AMOLED, 68B colors, 120Hz, 3840Hz PWM, 3200 nits (peak)
Size
6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio)
Resolution
1080 x 2392 pixels (~388 ppi density)

Galaxy A18 4G

OS
Android 17, up to 6 major OS updates, One UI 9
Chipset
Exynos 1610
CPU
Octa-core (2x2.4 GHz Cortex-A7X & 6x2.0 GHz Cortex-A55)
GPU
Mali-G68

Xiaomi Redmi Note 15 4G

OS
Android 15, up to 4 major OS updates, HyperOS 2
Chipset
Mediatek Helio G100 Ultra (6 nm)
CPU
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2

Galaxy A18 4G

Card slot
microSDXC (uses shared SIM slot)
Internal
64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM

Xiaomi Redmi Note 15 4G

Card slot
microSDXC (uses shared SIM slot)
Internal

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

UFS 2.2

Galaxy A18 4G

Triple

50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF, OIS

5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm

2 MP (macro)

Features
LED flash, panorama, HDR
Video
1080p@30fps

Xiaomi Redmi Note 15 4G

Dual

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

Auxiliary lens

Features
LED flash, HDR, panorama
Video
1080p@30/60fps

Galaxy A18 4G

Single
13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Video
1080p@30fps

Xiaomi Redmi Note 15 4G

Single
20 MP, f/2.2, (wide), 1/4.0", 0.7µm
Video
1080p@30fps

Galaxy A18 4G

Loudspeaker
Yes
3.5mm jack
No

Xiaomi Redmi Note 15 4G

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

No

24-bit/192kHz Hi-Res audio

Galaxy A18 4G

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.3, A2DP, LE
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Yes (market/region dependent)
Radio
Unspecified
USB
USB Type-C 2.0

Xiaomi Redmi Note 15 4G

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

Galaxy A18 4G

Sensors

Fingerprint (side-mounted), accelerometer, gyro, compass

Virtual proximity sensing

Xiaomi Redmi Note 15 4G

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

Galaxy A18 4G

Type
5000 mAh
Charging
25W wired, 50% in 30 min

Xiaomi Redmi Note 15 4G

Type
6000 mAh
Charging

33W wired

18W reverse wired

Galaxy A18 4G

Colors
Black, Gray, Light blue
Models
SM-A185F, SM-A185F/DS, SM-A185M, SM-A185M/DS, SM-A185F/DSB
SAR EU
0.54 W/kg (head)     1.37 W/kg (body)    
Price
About 280 EUR

Xiaomi Redmi Note 15 4G

Colors
Black, Forest Green, Glacier Blue, Purple
Models
2510DRA23E, 2510DRA23G
SAR EU
0.98 W/kg (head)     0.96 W/kg (body)    
Price
€ 251.99 / $ 209.50

Galaxy A18 4G

Performance

AnTuTu: 483061 (v10), 609489 (v11)

GeekBench: 2144 (v6)

3DMark: 1434 (Wild Life Extreme)

Display
775 nits max brightness (measured)
Loudspeaker
-25.8 LUFS (Very good)
Battery
Active use score 13:10h

Xiaomi Redmi Note 15 4G

Not listed for this device

Galaxy A18 4G

Not listed for this device

Xiaomi Redmi Note 15 4G

Energy
Class B
Battery
55:02h endurance, 1000 cycles
Free fall
Class A (270 falls)
Repairability
Class C

How the Galaxy A18 4G and Xiaomi Redmi Note 15 4G differ

  • The Xiaomi Redmi Note 15 4G has a larger battery, 6000 mAh against 5000 mAh on the Galaxy A18 4G.
  • The Xiaomi Redmi Note 15 4G has the bigger screen, 6.77 inches against 6.7 inches.
  • The Xiaomi Redmi Note 15 4G offers more RAM, up to 8 GB against 4 GB.
  • The main cameras are 50 MP on the Galaxy A18 4G and 108 MP on the Xiaomi Redmi Note 15 4G.
  • The Galaxy A18 4G is the newer of the two, released in August 2026.