Samsung Galaxy A31 vs Realme 15T
Product
Price
230 USD
229 USD
Status
Available
Available
Brand
Samsung Mobile
Realme Mobiles
Model No
Galaxy A31
Realme 15T
Launch Date
2020, May 01
2025, September 05
Wikipedia
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100 - SM-A315F
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G
HSDPA 850 / 900 / 2100
4G bands
1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G
1, 3, 5, 8, 28, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE-A
HSPA, LTE, 5G
5G bands
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
Dimensions
159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
158.4 x 75.2 x 7.8 mm (6.24 x 2.96 x 0.31 in)
Weight
185 g (6.53 oz)
181 g (6.38 oz)
Build
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Glass front, plastic frame, plastic back
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2.5m for 30 min)
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Silk Blue, Suit Titanium, Flowing Silver
Type
Super AMOLED capacitive touchscreen, 16M colors
AMOLED, 1B colors, 120Hz, 2160Hz PWM, 1000 nits (typ), 1400 nits (HBM), 4000 nits (peak)
Size
6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
6.57 inches, 102.9 cm2 (~86.4% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
1080 x 2372 pixels (~401 ppi density)
OS
Android 10, One UI 2.0
Android 15, up to 3 major Android upgrades, Realme UI 6.0
Chipset
Mediatek MT6768 Helio P65 (12nm)
Mediatek Dimensity 6400 Max (6 nm)
CPU
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
Octa-core (2x2.5 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G52 MC2
Mali-G57 MC2
RAM
4GB/6GB
8GB/12GB
Storage
128GB Built-in
128GB/256GB
UFS 2.2
Card Slot
microSDXC (dedicated slot)
microSDXC
Lens 1
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
50 MP, f/1.8, 27mm (wide), 1/2.88", PDAF
Lens 2
8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4
Lens 3
5 MP, f/2.4, (macro)
Lens 4
5 MP, f/2.4, (depth)
Features
LED flash, panorama, HDR, Auto Focus, Digital Zoom up to 8x, F2.2
LED flash, HDR, panorama
Video
1080p@30fps
1080p@30/60, gyro-EIS
Lens 1
20 MP, f/2.2, (wide)
50 MP
Video
1080p@30fps
1080p@30fps
Capacity
(Li-Po Non removable), 5000 mAh -
Si/C Li-Ion 7000 mAh
Charging
Fast battery charging 15W
60W wired
10W reverse wired
Bypass charging
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Loudspeaker
Yes
Yes
3.5mm jack
Yes
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
5.3, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
Yes (market/region dependent)
Yes (market/region dependent)
Radio
FM radio, RDS, recording
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB Type-C 2.0, OTG
Display
Performance AnTuTu: 151815 (v8)
GeekBench: 5096 (v4.4), 1216 (v5.1)
GFXBench: 7fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal)
Loudspeaker
-30.9 LUFS (Below average)
Battery life
Endurance rating 124h