Screen size
Galaxy S25Winner: 6.2"+68%
Z320i2.0"
Quick verdict
Galaxy S25 leads the measured specs 19-1.
Measured wins
Galaxy S25
19
spec wins
Overall winner
Ties
3
equal specs
Z320i
1
spec wins
Screen size
Technology
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
Z320i
GSM / UMTS
2G bands
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
Z320i
GSM 900 / 1800 / 1900
3G bands
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
Z320i
UMTS 2100
4G bands
Galaxy S25
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International, 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA unlocked
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsZ320i
-
5G bands
Galaxy S25
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International, 1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked
Z320i
-
Speed
Galaxy S25
HSPA, LTE (up to 7CA), 5G
Z320i
Yes, 384 kbps
Announced
Galaxy S25
2025, January 22
Z320i
2005, Q4
Status
Galaxy S25
Available. Released 2025, February 03
Z320i
Discontinued
Dimensions
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Z320i
97 x 48 x 22.9 mm (3.82 x 1.89 x 0.90 in)
Weight
Galaxy S25
162 g (5.71 oz)
Z320i
105 g (3.70 oz)
Build
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Z320i
-
SIM
Galaxy S25
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT· Nano-SIM + eSIM + eSIM (max 2 at a time) - USA· Nano-SIM + Nano-SIM - CN
Z320i
Mini-SIM
Other
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Z320i
-
Type
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Z320i
TFT, 256K colors
Size
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Z320i
2.0 inches, 12.6 cm2 (~27.0% screen-to-body ratio)
Resolution
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Z320i
176 x 220 pixels, 1.9 inch (~141 ppi density)
Protection
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
Z320i
-
OS
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Z320i
-
Chipset
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
Z320i
-
CPU
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Z320i
-
GPU
Galaxy S25
Adreno 830 (1200 MHz)
Z320i
-
Card slot
Galaxy S25
No
Z320i
No
Internal
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Z320i
120MB
Other
Galaxy S25
UFS 4.0
Z320i
-
Phonebook
Galaxy S25
-
Z320i
Yes
Call records
Galaxy S25
-
Z320i
20 dialed, 20 received, 20 missed calls
Triple
Galaxy S25
50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
Z320i
-
Features
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Z320i
LED flash
Video
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Z320i
Yes
Single
Galaxy S25
-
Z320i
1.3 MP
Single
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Z320i
VGA videocall camera
Features
Galaxy S25
HDR, HDR10+
Z320i
-
Video
Galaxy S25
4K@30/60fps, 1080p@30fps
Z320i
Loudspeaker
Galaxy S25
Yes, with stereo speakers
Z320i
Yes, with stereo speakers
3.5mm jack
Galaxy S25
No
Z320i
No
Other
Galaxy S25
High-bitrate audio support
Z320i
-
Alert types
Galaxy S25
-
Z320i
Vibration; Downloadable polyphonic ringtones
WLAN
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Z320i
No
Bluetooth
Galaxy S25
5.4, A2DP, LE
Z320i
2.0, A2DP
Positioning
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
Z320i
No
NFC
Galaxy S25
Yes
Z320i
-
Radio
Galaxy S25
No
Z320i
No
USB
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Z320i
Proprietary
Sensors
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Z320i
Other
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Z320i
Video telephony & streaming MP3/AAC/AAC+ player Predictive text input Organizer Voice memo
Messaging
Galaxy S25
-
Z320i
SMS, MMS, Email
Browser
Galaxy S25
-
Z320i
i-mode
Games
Galaxy S25
-
Z320i
Yes + downloadable
Java
Galaxy S25
-
Z320i
Yes
Type
Galaxy S25
Li-Ion 4000 mAh
Z320i
Removable Li-Ion battery
Charging
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Z320i
-
Stand-by
Galaxy S25
-
Z320i
Up to 200 h
Talk time
Galaxy S25
-
Z320i
Up to 5 h
Colors
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
Z320i
Black
Models
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
Z320i
-
SAR
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
Z320i
0.46 W/kg (head) 0.65 W/kg (body)
SAR EU
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Z320i
0.64 W/kg (head)
Price
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
Z320i
-