The mid-range smartphone market is fiercely competitive, and the Realme 15T and Samsung Galaxy A55 are two strong contenders. The Realme 15T aims to deliver impressive performance at an aggressive price point, leveraging the Mediatek Dimensity 6400 Max. Conversely, the Samsung Galaxy A55 focuses on a well-rounded experience with a brighter display and Samsung’s established software ecosystem, powered by the Exynos 1480.
🏆 Quick Verdict
For the average user prioritizing sustained performance and faster charging, the Realme 15T emerges as the winner. Its Dimensity 6400 Max chipset, coupled with 60W charging, offers a noticeable advantage in demanding tasks and quicker top-ups. However, the Galaxy A55’s superior display brightness and longer battery life in active use make it a compelling alternative for media consumers.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 3, 5, 8, 28, 40, 41 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66 |
| 5G bands | 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| Launch |
|---|
| Announced | 2025, September 02 | 2024, March 11 |
| Status | Available. Released 2025, September 05 | Available. Released 2024, March 15 |
| Body |
|---|
| Build | Glass front, plastic frame, plastic back | Glass front (Gorilla Glass Victus+), glass back (Gorilla Glass), aluminum frame |
| Dimensions | 158.4 x 75.2 x 7.8 mm (6.24 x 2.96 x 0.31 in) | 161.1 x 77.4 x 8.2 mm (6.34 x 3.05 x 0.32 in) |
| SIM | Nano-SIM + Nano-SIM | · Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Weight | 181 g (6.38 oz) | 213 g (7.51 oz) |
| Display |
|---|
| Protection | - | Corning Gorilla Glass Victus+ |
| Resolution | 1080 x 2372 pixels (~401 ppi density) | 1080 x 2340 pixels, 19.5:9 ratio (~390 ppi density) |
| Size | 6.57 inches, 102.9 cm2 (~86.4% screen-to-body ratio) | 6.6 inches, 106.9 cm2 (~85.8% screen-to-body ratio) |
| Type | AMOLED, 1B colors, 120Hz, 2160Hz PWM, 1000 nits (typ), 1400 nits (HBM), 4000 nits (peak) | Super AMOLED, 120Hz, HDR10+, 1000 nits (HBM) |
| Platform |
|---|
| CPU | Octa-core (2x2.5 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) |
| Chipset | Mediatek Dimensity 6400 Max (6 nm) | Exynos 1480 (4 nm) |
| GPU | Mali-G57 MC2 | Xclipse 530 |
| OS | Android 15, up to 3 major Android upgrades, Realme UI 6.0 | Android 14, up to 4 major Android upgrades, One UI 6.1 |
| Memory |
|---|
| Card slot | microSDXC | microSDXC (uses shared SIM slot) |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
| Main Camera |
|---|
| Dual | 50 MP, f/1.8, 27mm (wide), 1/2.88", PDAF
2 MP, f/2.4 | - |
| Features | LED flash, HDR, panorama | LED flash, panorama, HDR |
| Triple | - | 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS
12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm
5 MP (macro) |
| Video | 1080p@30/60, gyro-EIS | 4K@30fps, 1080p@30/60fps, gyro-EIS |
| Selfie camera |
|---|
| Single | 50 MP | 32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm |
| Video | 1080p@30fps | 4K@30fps, 1080p@30/60fps |
| Sound |
|---|
| 35mm jack | No | No |
| Loudspeaker | Yes | Yes, with stereo speakers |
| Comms |
|---|
| Bluetooth | 5.3, A2DP, LE | 5.3, A2DP, LE |
| Infrared port | Yes | - |
| NFC | No | Yes (market/region dependent) |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, compass |
| Battery |
|---|
| Charging | 60W wired
10W reverse wired
Bypass charging | 25W wired |
| Type | Si/C Li-Ion 7000 mAh | Li-Ion 5000 mAh |
| Misc |
|---|
| Colors | Silk Blue, Suit Titanium, Flowing Silver | Iceblue, Lilac, Navy, Lemon |
| Models | - | SM-A556V, SM-A556B, SM-A556B/DS, SM-A556E, SM-A556E/DS, SM-A5560 |
| Price | ₹ 20,499 | $ 324.99 / £ 251.50 / € 319.99 / ₹ 23,998 |
| SAR EU | - | 0.68 W/kg (head) 1.04 W/kg (body) |
Realme 15T
- Faster 60W charging for quick top-ups
- Potentially better gaming performance due to the Dimensity 6400 Max
- 10W reverse wired charging for accessory power
- Likely lower peak display brightness
- Battery life likely shorter than the Galaxy A55
Samsung Galaxy A55
- Brighter 1010 nit display for outdoor visibility
- Longer battery life (13:27h active use)
- Samsung’s established software and ecosystem
- Slower 25W charging
- Exynos 1480 may throttle under sustained load
Display Comparison
The Samsung Galaxy A55 boasts a significant advantage in display technology, achieving a measured peak brightness of 1010 nits. This translates to superior visibility in direct sunlight compared to the Realme 15T (brightness data unavailable, but likely lower). While the Realme 15T’s panel specifics are unknown, the A55’s brightness is a key differentiator for outdoor users. Samsung’s display technology also typically delivers accurate color reproduction, a benefit for content creators and viewers. The A55’s panel is likely to have a higher pixel density, resulting in a sharper image.
Camera Comparison
Without detailed camera specs for the Realme 15T, a direct comparison is limited. However, Samsung typically focuses on image processing and software enhancements. The Galaxy A55 likely benefits from Samsung’s advanced algorithms for noise reduction and dynamic range. The absence of information regarding OIS (Optical Image Stabilization) on the Realme 15T suggests the A55 may have an advantage in low-light photography and video stabilization. It’s reasonable to assume the A55’s camera system will offer a more refined and consistent experience, especially for users who rely heavily on computational photography.
Performance
The core performance difference lies in the chipsets. The Samsung Galaxy A55’s Exynos 1480, built on a 4nm process, features four Cortex-A78 cores clocked at 2.75 GHz, offering a performance edge over the Realme 15T’s Dimensity 6400 Max. The Dimensity 6400 Max utilizes two Cortex-A76 cores at 2.5 GHz. While the A55’s CPU architecture is more modern and faster, the 6nm Dimensity 6400 Max is still a capable performer. The Exynos 1480’s 4nm fabrication should also result in better thermal efficiency, potentially reducing throttling during extended gaming sessions. Both phones utilize an octa-core configuration with similar Cortex-A55 efficiency cores, meaning everyday tasks will feel smooth on both devices.
Battery Life
The Samsung Galaxy A55 demonstrates a clear advantage in battery endurance, achieving 13 hours and 27 minutes of active use. While the Realme 15T’s battery capacity is unknown, the A55’s longevity is a significant benefit for power users. The Realme 15T compensates with significantly faster 60W wired charging, allowing for a full charge in a fraction of the time compared to the A55’s 25W charging. The Realme 15T also includes 10W reverse wired charging, a feature absent on the A55, enabling it to charge other devices.
Buying Guide
Buy the Realme 15T if you need a phone that excels in gaming and multitasking, and value rapid charging speeds. It’s ideal for users who frequently switch between apps or enjoy mobile games. Buy the Samsung Galaxy A55 if you prioritize a vibrant, bright display for outdoor visibility, and long-lasting battery life for all-day use, and prefer Samsung’s One UI software experience.
Frequently Asked Questions
❓ Does the Exynos 1480 in the Galaxy A55 tend to overheat during prolonged gaming sessions?
While the Exynos 1480 benefits from a 4nm process for improved thermal efficiency, sustained gaming can still lead to throttling. Samsung’s software optimizations play a role in managing heat, but users engaging in extended gaming may experience some performance reduction over time. The Realme 15T’s Dimensity 6400 Max may offer slightly better sustained performance due to its architecture.
❓ How significant is the charging speed difference between 60W and 25W, and how does it impact daily use?
The 60W charging on the Realme 15T is substantially faster than the 25W charging on the Galaxy A55. A full charge on the Realme 15T will take significantly less time, allowing for quick top-ups throughout the day. For users who frequently find themselves with low battery, the 60W charging is a major convenience factor.
❓ Is the Realme 15T a good choice for playing demanding games like Genshin Impact or PUBG?
The Realme 15T, powered by the Dimensity 6400 Max, is capable of running demanding games like Genshin Impact and PUBG. However, achieving consistently high frame rates may require adjusting graphics settings. The Dimensity 6400 Max provides a solid foundation for gaming, but the Exynos 1480 in the A55 may offer slightly more stable performance over extended periods.
