Screen size
Galaxy S25Winner: 6.2"+18%
Galaxy S6 Duos5.1"
Quick verdict
Galaxy S25 leads the measured specs 16-5.
Measured wins
Galaxy S25
16
spec wins
Overall winner
Ties
2
equal specs
Galaxy S6 Duos
5
spec wins
Screen size
Technology
Galaxy S25
GSM / CDMA / HSPA / EVDO / LTE / 5G
Galaxy S6 Duos
GSM / HSPA / LTE
2G bands
Galaxy S25
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
Galaxy S6 Duos
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy S25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
Galaxy S6 Duos
HSDPA 850 / 900 / 1900 / 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
equal specs3.5mm jack
SD card
equal specsStereo speakers
Galaxy S6 Duos
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26
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
Galaxy S6 Duos
-
Speed
Galaxy S25
HSPA, LTE (up to 7CA), 5G
Galaxy S6 Duos
HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Announced
Galaxy S25
2025, January 22
Galaxy S6 Duos
2015, June. Released 2015, June
Status
Galaxy S25
Available. Released 2025, February 03
Galaxy S6 Duos
Discontinued
Dimensions
Galaxy S25
146.9 x 70.5 x 7.2 mm (5.78 x 2.78 x 0.28 in)
Galaxy S6 Duos
143.4 x 70.5 x 6.8 mm (5.65 x 2.78 x 0.27 in)
Weight
Galaxy S25
162 g (5.71 oz)
Galaxy S6 Duos
138 g (4.87 oz)
Build
Galaxy S25
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Galaxy S6 Duos
Glass front (Gorilla Glass 4), glass back (Gorilla Glass 4), aluminum frame
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
Galaxy S6 Duos
Nano-SIM + Nano-SIM
Other
Galaxy S25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor aluminum 2 frame
Galaxy S6 Duos
-
Type
Galaxy S25
Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Galaxy S6 Duos
Super AMOLED
Size
Galaxy S25
6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio)
Galaxy S6 Duos
5.1 inches, 71.7 cm2 (~70.9% screen-to-body ratio)
Resolution
Galaxy S25
1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Galaxy S6 Duos
1440 x 2560 pixels, 16:9 ratio (~576 ppi density)
Protection
Galaxy S25
Corning Gorilla Glass Victus 2, Mohs level 5
Galaxy S6 Duos
Corning Gorilla Glass 4
OS
Galaxy S25
Android 15, up to 7 major Android upgrades, One UI 8
Galaxy S6 Duos
Android 5.0.2 (Lollipop), upgradable to Android 8.0 (Oreo), TouchWiz UI
Chipset
Galaxy S25
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
Galaxy S6 Duos
Exynos 7420 Octa (14 nm)
CPU
Galaxy S25
Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
Galaxy S6 Duos
Octa-core (4x2.1 GHz Cortex-A57 & 4x1.5 GHz Cortex-A53)
GPU
Galaxy S25
Adreno 830 (1200 MHz)
Galaxy S6 Duos
Mali-T760MP8
Card slot
Galaxy S25
No
Galaxy S6 Duos
No
Internal
Galaxy S25
128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Galaxy S6 Duos
32GB 3GB RAM, 64GB 3GB RAM, 128GB 3GB RAM
Other
Galaxy S25
UFS 4.0
Galaxy S6 Duos
UFS 2.0
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
Galaxy S6 Duos
-
Features
Galaxy S25
Best Face, LED flash, auto-HDR, panorama
Galaxy S6 Duos
LED flash, auto-HDR, panorama
Video
Galaxy S25
8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Galaxy S6 Duos
4K@30fps, 1080p@30/60fps, 720p@120fps, HDR, stereo sound rec., OIS, gyro-EIS
Single
Galaxy S25
-
Galaxy S6 Duos
16 MP, f/1.9, 28mm (wide), 1/2.6", 1.12µm, AF, OIS
Single
Galaxy S25
12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Galaxy S6 Duos
5 MP, f/1.9, 22mm (wide)
Features
Galaxy S25
HDR, HDR10+
Galaxy S6 Duos
HDR
Video
Galaxy S25
4K@30/60fps, 1080p@30fps
Galaxy S6 Duos
1440p@30fps
Loudspeaker
Galaxy S25
Yes, with stereo speakers
Galaxy S6 Duos
Yes
3.5mm jack
Galaxy S25
No
Galaxy S6 Duos
Yes
Other
Galaxy S25
High-bitrate audio support
Galaxy S6 Duos
24-bit/192kHz audio
WLAN
Galaxy S25
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Galaxy S6 Duos
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy S25
5.4, A2DP, LE
Galaxy S6 Duos
4.1, A2DP, LE, aptX
Positioning
Galaxy S25
GPS, GLONASS, BDS, GALILEO, QZSS
Galaxy S6 Duos
GPS, GLONASS, BDS
NFC
Galaxy S25
Yes
Galaxy S6 Duos
Yes
Radio
Galaxy S25
No
Galaxy S6 Duos
No
USB
Galaxy S25
USB Type-C 3.2, DisplayPort 1.2, OTG
Galaxy S6 Duos
microUSB 2.0, OTG
Infrared port
Galaxy S25
-
Galaxy S6 Duos
Yes
Sensors
Galaxy S25
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Galaxy S6 Duos
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
Other
Galaxy S25
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Galaxy S6 Duos
ANT+ S-Voice natural language commands and dictation Samsung Pay (Visa, MasterCard certified)
Type
Galaxy S25
Li-Ion 4000 mAh
Galaxy S6 Duos
Li-Ion 2550 mAh, non-removable
Charging
Galaxy S25
25W wired, PD3.0, 50% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
Galaxy S6 Duos
15W wired Wireless (Qi) (market dependent)
Talk time
Galaxy S25
-
Galaxy S6 Duos
Up to 17 h (3G)
Music play
Galaxy S25
-
Galaxy S6 Duos
Up to 49 h
Colors
Galaxy S25
Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black
Galaxy S6 Duos
White Pearl, Black Sapphire, Gold Platinum
Models
Galaxy S25
SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
Galaxy S6 Duos
SM-G920
SAR
Galaxy S25
1.13 W/kg (head) 0.92 W/kg (body)
Galaxy S6 Duos
-
SAR EU
Galaxy S25
1.29 W/kg (head) 1.36 W/kg (body)
Galaxy S6 Duos
-
Price
Galaxy S25
$ 799.99 / C$ 679.99 / £ 429.99 / € 589.90 / ₹ 74,999
Galaxy S6 Duos
About 400 EUR