Asus Zenfone Zoom S (128GB) vs Samsung Galaxy S25 Ultra (SM-S938B/DS 256GB)
Side by side comparison between Asus Zenfone Zoom S vs Samsung Galaxy S25 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
AMOLED
AMOLED
1080x1920
12
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.9"
AMOLED
AMOLED
1440x3120
200
MP
MP
12mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S25 Ultra (SM-S938B/DS 256GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
7 Advantages 
27 Advantages | 23 Common items in both devices |
| 16 million |
| Digital and optical zoom |
| LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| OIS (4-axis): Optical stabilization / OIS: Optical stabilization |
| HDR photo on both cameras / HDR photo/video on both cameras |
| f/1.7 (aperture) |
| Capacitive |
| +16 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Model | Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) |
| Other model names | Asus Zenfone Zoom S ZE553KL, Asus Zenfone 3 Zoom | Galaxy S25 Ultra SM-S938B/Dual-SIM |
| Country or region available |   (Europe), Indonesia |  (Global, International) |
| Brand | Asus | Samsung |
| Release date | 5/1/2017 | 2/3/2025, Announced: 2/22/2025 |
| Depth | 8 millimeters (0.31 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 77 x 154.3 millimeters (3.03 x 6.07 in) | 77.6 x 162.8 millimeters (3.06 x 6.41 in) |
| Weight | 170 grams (5.95 ounces) | 218 grams (7.63 ounces) |
| Build, materials | Aluminum body, glass front | Titanium frame, glass front and back Back: Gorilla Armor 2 |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Display type | AMOLED | LTPO AMOLED |
| Screen size | 5.5" inches | 6.9" inches |
| Screen-to-body ratio | ~70.2% (screen-to-body ratio) | ~92.5% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1440x3120 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 401 PPI | 498 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Armor 2 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 2600nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| System version | Android 6.0.1 Marshmallow | Android 15 |
| Firmware update | Android 8.0 Oreo | feature not registered |
| User Interface | feature not registered | One UI 7.0 |
⚙️ Processor | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 625 MSM8953 (14nm) | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) | Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 506 650Mhz | Qualcomm Adreno 830 (1100MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 2207809 (v10) Geekbench: 9846 (v6) |
💽 Memory and storage | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| RAM memory | 4GB LPDDR3 | 12GB LPDDR5X |
| Internal storage | 128GB (118GB available) | 256GB (223GB available) UFS 4.0 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 150/50 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 UMTS 850/900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS |
| Primary 4G network | LTE Cat4 850/900/1800/2100 (Bands 1,3,5,8) | LTE Cat24 () TD-LTE () VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 () |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS |
| Secondary 4G network | Not supported | LTE Cat24 () TD-LTE () VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 12MP f/2.859mm | (quad camera) 200 megapixels 10MP telephoto f/2.467mm1/3.52"1.12µmPDAFOIS3x-optical-zoom 50MP periscope telephoto f/3.4111mm1/2.52"0.7µmPDAFOIS5x-optical-zoom 50MP ultrawide f/1.9120°0.7µmPDAFSuper-Steady |
| Main camera resolution | 4000x3000 pixels | 20000x10000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 24 fps | 8K UHD (7680x4320) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
| Focal length | 25mm (lens) | 24mm (lens) |
| Sensor size | 1/2.5" inches | 1/1.3" inches |
| Pixel size | 1.4µm pixel | 0.6µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Front camera (secondary) | 13 megapixels | 12 megapixels |
| Front camera resolution | 4128x3096 pixels | 4000x3000 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | 1/3" inches | 1/3.2" inches |
| Pixel size | 1.12µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 3 microphones |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.2 + A2DP | 5.4 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 5000 mAh |
| Charger, watts | 18W Wired fast charging | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi wireless charging 4.5W Reverse wireless charging |
| Talk time autonomy | 48 hours (2 days) | feature not registered |
| Standby | 1008 hours (42 days) | feature not registered |
➕ Other features | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Silver, Rose Gold • ASUS ZenUI 3.0 • 2.5D glass screen • 500nits brightness screen • Sony IMX362 back camera sensor • Sony IMX214 front camera sensor • DTS sound enhancement • 24-bit/192kHz audio • 100GB Google Drive | • Samsung DeX • Samsung Wireless DeX • Stylus (S Pen) • Circle to Search |
☢️ Radiation rate | ||
| Asus Zenfone Zoom S (128GB) | Galaxy S25 Ultra (SM-S938B/DS 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |