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 Panasonic X400 |
 Samsung Galaxy S24 Ultra |
|
|---|---|---|
| Price (USD) | $10.00 | $507.90 |
| Network | ||
| Technology | GSM | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| 2G bands | GSM 900 / 1800 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | - | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | - | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International |
| 5G bands | - | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International |
| Speed | - | HSPA, LTE (CA), 5G |
| GPRS | Class 8 | - |
| EDGE | No | - |
| Launch | ||
| Announced | 2004, Q2 | 2024, January 17 |
| Status | Discontinued | Available. Released 2024, January 24 |
| Body | ||
| Dimensions | 84 x 47 x 17 mm, 64 cc (3.31 x 1.85 x 0.67 in) | 162.3 x 79 x 8.6 mm (6.39 x 3.11 x 0.34 in) |
| Weight | 84 g (2.96 oz) | 232 g or 233 g (8.18 oz) |
| Build | - | Glass front (Corning Gorilla Armor), glass back (Corning Gorilla Armor), titanium frame (grade 2) |
| SIM | Mini-SIM | · 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 |
| Features | - | IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus (Bluetooth integration, accelerometer, gyro) |
| Display | ||
| Type | TFT, 65K colors | Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak) |
| Size | - | 6.8 inches, 113.5 cm2 (~88.5% screen-to-body ratio) |
| Resolution | 128 x 128 pixels, 1:1 ratio | 1440 x 3120 pixels, 19.5:9 ratio (~505 ppi density) |
| Protection | - | Corning Gorilla Armor |
| Features | Incoming call LED with 7 colors Wallpapers, themes Downloadable logos | DX anti-reflective coating |
| Platform | ||
| OS | FeaturePhone | Android 14, up to 7 major OS updates, One UI 8.5 |
| Chipset | Unisoc SC9832 (28 nm) | Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) |
| CPU | Quad-core 1.4 GHz Cortex-A53 | 8-core (1x3.39GHz Cortex-X4 & 3x3.1GHz Cortex-A720 & 2x2.9GHz Cortex-A720 & 2x2.2GHz Cortex-A520) |
| GPU | Mali-T820 MP1 | Adreno 750 (1 GHz) |
| Memory | ||
| Card slot | No | No |
| Internal | - | 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM |
| Features | 300 short messages 1 MB for pictures and rigntones 700 KB for MMS | UFS 4.0 |
| Phonebook | 300 x 5 fields, Photo call | - |
| Call records | 10 dialed, 10 received, 10 missed calls | - |
| Main Camera | ||
| Quad | - | 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 50 MP, f/3.4, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
| Features | - | Laser AF, LED flash, auto-HDR, panorama |
| Video | No | 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Single | VGA | - |
| Selfie camera | ||
| Single | - | 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF |
| Features | No | HDR, HDR10+ |
| Video | - | 4K@30/60fps, 1080p@30fps |
| Sound | ||
| Loudspeaker | No | Yes, with stereo speakers |
| 3.5mm jack | No | No |
| Features | - | High-bitrate audio support |
| Alert types | Vibration; Downloadable polyphonic ringtones | - |
| Comms | ||
| WLAN | No | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct |
| Bluetooth | No | 5.3, A2DP, LE |
| Positioning | No | GPS, GLONASS, BDS, GALILEO, QZSS |
| NFC | - | Yes |
| Radio | No | No |
| USB | - | USB Type-C 3.2, DisplayPort 1.2, OTG |
| Infrared port | Yes | - |
| Features | ||
| Sensors | - | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| Features | One push auto open Predictive text input Organizer Voice memo | Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support |
| Messaging | SMS, MMS | - |
| Browser | WAP 2.0/xHTML | - |
| Games | 1 - MobileGolf | - |
| Java | Yes | - |
| Battery | ||
| Type | Removable Li-Ion 600 mAh battery | Li-Ion 5000 mAh |
| Charging | - | 45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless |
| Stand-by | Up to 210 h | - |
| Talk time | Up to 4 h 30 min | - |
| Misc | ||
| Colors | Black, Red, White | Titanium Black, Titanium Gray, Titanium Violet, Titanium Yellow, Titanium Blue, Titanium Green, Titanium Orange |
| Models | - | SM-S928B, SM-S928B/DS, SM-S928U, SM-S928U1, SM-S928W, SM-S928N, SM-S9280, SM-S928E, SM-S928E/DS |
| SAR | - | 1.26 W/kg (head) 0.62 W/kg (body) |
| SAR EU | - | 1.06 W/kg (head) 1.30 W/kg (body) |
| Price | - | $ 507.90 / € 573.22 / £ 494.00 / ₹ 104,999 |
| Our Tests | ||
| Performance | - | AnTuTu: 1453497 (v9), 1823822 (v10) GeekBench: 7076 (v6) 3DMark: 4983 (Wild Life Extreme) |
| Display | - | 1447 nits max brightness (measured) |
| Camera | - | Photo / Video |
| Loudspeaker | - | -24.6 LUFS (Very good) |
| Battery | - | Active use score 13:49h |
| — | Performance | Win |
| — | Display | Win |
| — | Camera | Win |
| — | Battery | Win |
| — | Charging | Win |
| — | RAM | — |
| — | 5G | Win |
| Win | Price | — |
- Balanced hardware configuration tailored for reliable everyday operation
- Ergonomic physical construction with comfortable in-hand grip
- Limited to 4G LTE cellular data speeds without 5G support
- IPS LCD screen lacks the deep contrast and saturation of Galaxy S24 Ultra's OLED
- Screen refresh rate capped at 60Hz (less fluid than Galaxy S24 Ultra's 120Hz)
- Future-proof 5G network connectivity (limited to 4G on X400)
- Adaptive LTPO display technology optimizing power efficiency
- Fluid 120Hz refresh rate providing much smoother motion than X400's 60Hz
- Higher-tier Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) processor offering substantial compute superiority
- Dedicated telephoto optical zoom lens for crisp distant shots (missing on X400)
- Premium flagship price tier represents a notable financial investment
Both the Panasonic X400 and the Samsung Galaxy S24 Ultra arrive with distinct engineering philosophies. Our head-to-head evaluation breaks down how each contender performs across critical daily benchmarks.
Processing horsepower tilts convincingly toward the Samsung Galaxy S24 Ultra, driven by its Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm). It outpaces the Unisoc SC9832 (28 nm) in the Panasonic X400 during resource-demanding workflows, offering greater headroom for complex gaming, video encoding, and rapid app switching.
Visual fidelity favors the Samsung Galaxy S24 Ultra, whose LTPO AMOLED display at 120Hz delivers enhanced sharpness, rich color depth, and fluid motion that outclasses the IPS LCD screen found on the Panasonic X400.
Imaging capabilities tilt toward the Samsung Galaxy S24 Ultra, highlighted by its 200MP primary camera with OIS stabilization and optical zoom capabilities. It produces crisper snapshots with lively color science and cleaner edge definition compared to the 0MP camera on the Panasonic X400.
Longevity and replenishment turnaround favor the Samsung Galaxy S24 Ultra, whose 5000mAh battery and 45W charging provide faster top-ups and reliable stamina compared to the 600mAh (standard) configuration of the Panasonic X400.
Overall Verdict: The Samsung Galaxy S24 Ultra earns the victory in this head-to-head comparison with 6 category wins versus 1 for the Panasonic X400. With decisive strengths in key hardware areas, the Samsung Galaxy S24 Ultra delivers greater overall capability and stronger value.
