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 Samsung Galaxy A51 |
 Samsung Galaxy S24 Ultra |
|
|---|---|---|
| Price (USD) | $100.00 | $507.90 |
| Network | ||
| Technology | GSM / HSPA / LTE | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International |
| Speed | HSPA, LTE | HSPA, LTE (CA), 5G |
| GPRS | Yes | - |
| EDGE | Yes | - |
| 5G bands | - | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International |
| Launch | ||
| Announced | 2019, December 12. Released 2019, December 16 | 2024, January 17 |
| Status | Discontinued | Available. Released 2024, January 24 |
| Body | ||
| Dimensions | 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in) | 162.3 x 79 x 8.6 mm (6.39 x 3.11 x 0.34 in) |
| Weight | 172 g (6.07 oz) | 232 g or 233 g (8.18 oz) |
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | Glass front (Corning Gorilla Armor), glass back (Corning Gorilla Armor), titanium frame (grade 2) |
| SIM | · Nano-SIM · Nano-SIM + Nano-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 | Super AMOLED | Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak) |
| Size | 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio) | 6.8 inches, 113.5 cm2 (~88.5% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) | 1440 x 3120 pixels, 19.5:9 ratio (~505 ppi density) |
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Armor |
| Features | - | DX anti-reflective coating |
| Platform | ||
| OS | Android 10, upgradable to Android 13, One UI 5 | Android 14, up to 7 major OS updates, One UI 8.5 |
| Chipset | Exynos 9611 (10 nm) | Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) |
| CPU | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | 8-core (1x3.39GHz Cortex-X4 & 3x3.1GHz Cortex-A720 & 2x2.9GHz Cortex-A720 & 2x2.2GHz Cortex-A520) |
| GPU | Mali-G72 MP3 | Adreno 750 (1 GHz) |
| Memory | ||
| Card slot | microSDXC (dedicated slot) | No |
| Internal | 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM | 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM |
| Features | UFS 2.0 | UFS 4.0 |
| RAM | 4/6/8 GB | - |
| Main Camera | ||
| Quad | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens | 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 | LED flash, panorama, HDR | Laser AF, LED flash, auto-HDR, panorama |
| Video | 4K@30fps, 1080p@30/120fps; gyro-EIS | 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Selfie camera | ||
| Single | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm | 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF |
| Features | HDR | HDR, HDR10+ |
| Video | 4K@30fps, 1080p@30fps | 4K@30/60fps, 1080p@30fps |
| Sound | ||
| Loudspeaker | Yes | Yes, with stereo speakers |
| 3.5mm jack | Yes | No |
| Features | - | High-bitrate audio support |
| Comms | ||
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct |
| Bluetooth | 5.0, A2DP, LE | 5.3, A2DP, LE |
| Positioning | Yes, with A-GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, BDS, GALILEO, QZSS |
| NFC | Yes | Yes |
| Radio | FM radio Yes | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 3.2, DisplayPort 1.2, OTG |
| Features | ||
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| Features | Virtual proximity sensing ANT+ | Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support |
| Messaging | SMS(threaded view), MMS, Email, Push Email, IM | - |
| Browser | HTML5 | - |
| Battery | ||
| Type | Li-Po 4000 mAh, non-removable | Li-Ion 5000 mAh |
| Charging | 15W wired | 45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless |
| Misc | ||
| Colors | Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink Prism, Crush Black, White, Blue, Pink | Titanium Black, Titanium Gray, Titanium Violet, Titanium Yellow, Titanium Blue, Titanium Green, Titanium Orange |
| Models | SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL | SM-S928B, SM-S928B/DS, SM-S928U, SM-S928U1, SM-S928W, SM-S928N, SM-S9280, SM-S928E, SM-S928E/DS |
| SAR | 0.80 W/kg (head) 0.67 W/kg (body) | 1.26 W/kg (head) 0.62 W/kg (body) |
| SAR EU | 0.37 W/kg (head) 1.59 W/kg (body) | 1.06 W/kg (head) 1.30 W/kg (body) |
| Price | About 100 EUR | $ 507.90 / € 573.22 / £ 494.00 / ₹ 104,999 |
| Unofficial | - | - |
| Alert types | Vibration, MP3, Ringtones | - |
| Java | No | - |
| Talk time | Up to 32 h (3G) | - |
| Music play | Up to 87 h | - |
| Made by | Korea | - |
| Other Features | Fast battery charging 15W | - |
| Our Tests | ||
| Performance | AnTuTu: 113051 (v7), 175363 (v8) GeekBench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen) | AnTuTu: 1453497 (v9), 1823822 (v10) GeekBench: 7076 (v6) 3DMark: 4983 (Wild Life Extreme) |
| Display | 636 nits max brightness (measured) | 1447 nits max brightness (measured) |
| Camera | Photo / Video | Photo / Video |
| Loudspeaker | -28.6 LUFS (Average) | -24.6 LUFS (Very good) |
| Audio quality | Noise -93.1dB / Crosstalk -87.3dB | - |
| Battery (old) | Endurance rating 86h | - |
| Battery | - | Active use score 13:49h |
Samsung Galaxy A51
2 category wins
Budget segment
VS
Our Winner
Samsung Galaxy S24 Ultra
6 category wins
Upper Mid segment
Head-to-Head Breakdown
| — | Performance | Win |
| — | Display | Win |
| — | Camera | Win |
| — | Battery | Win |
| — | Charging | Win |
| Win | RAM | — |
| — | 5G | Win |
| Win | Price | — |
Samsung Galaxy A51 — Pros & Cons
Pros
- 3.5mm analog headphone jack for lag-free wired audio listening
Cons
- Limited to 4G LTE cellular data speeds without 5G support
- Screen refresh rate capped at 60Hz (less fluid than Galaxy S24 Ultra's 120Hz)
- Moderate processing ceiling compared to the high-performance chip in Galaxy S24 Ultra
Samsung Galaxy S24 Ultra — Pros & Cons
Pros
- Future-proof 5G network connectivity (limited to 4G on Galaxy A51)
- Adaptive LTPO display technology optimizing power efficiency
- Fluid 120Hz refresh rate providing much smoother motion than Galaxy A51'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 Galaxy A51)
Cons
- Lacks 3.5mm headphone jack (available on Galaxy A51)
Our Verdict
This head-to-head comparison between the Samsung Galaxy A51 and Samsung Galaxy S24 Ultra pits two competitive offerings against each other to evaluate performance ceilings, display prowess, and stamina.
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 Exynos 9611 (10 nm) in the Samsung Galaxy A51 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 AMOLED screen found on the Samsung Galaxy A51.
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 48MP camera on the Samsung Galaxy A51.
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 4000mAh (15W) configuration of the Samsung Galaxy A51.
Overall Verdict: The Samsung Galaxy S24 Ultra earns the victory in this head-to-head comparison with 6 category wins versus 2 for the Samsung Galaxy A51. With decisive strengths in key hardware areas, the Samsung Galaxy S24 Ultra delivers greater overall capability and stronger value.
