The Infinix Note 50x and Samsung Galaxy A15 represent compelling options in the crowded budget smartphone market. The Note 50x aggressively targets performance with its newer Dimensity 7300 Ultimate chipset, while the Galaxy A15 leans into Samsung’s established brand recognition and a focus on long-lasting battery life. This comparison dissects their key differences to determine which device best suits your needs.
🏆 Quick Verdict
For users prioritizing raw performance and faster charging, the Infinix Note 50x is the clear winner. Its Dimensity 7300 Ultimate offers a significant leap over the Galaxy A15’s Helio G99. However, the Samsung Galaxy A15 excels in battery endurance, providing over 15 hours of active use, making it ideal for users who value longevity over peak speed.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42, 66 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
| 5G bands | 1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA | - |
| Speed | HSPA, LTE, 5G | HSPA, LTE |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE |
| Launch |
|---|
| Announced | 2025, March 27 | 2023, December 11 |
| Status | Available. Released 2025, April | Available. Released 2023, December 16 |
| Body |
|---|
| Build | - | Glass front, plastic back, plastic frame |
| Dimensions | 165.4 x 76.4 x 8.0 mm or 8.2 mm | 160.1 x 76.8 x 8.4 mm (6.30 x 3.02 x 0.33 in) |
| SIM | Nano-SIM + Nano-SIM | · Nano-SIM· Nano-SIM + Nano-SIM |
| Weight | 195.4 g or 198.9 g (6.88 oz) | 200 g (7.05 oz) |
| Display |
|---|
| Resolution | 720 x 1600 pixels, 20:9 ratio (~263 ppi density) | 1080 x 2340 pixels, 19.5:9 ratio (~396 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio) | 6.5 inches, 103.7 cm2 (~84.3% screen-to-body ratio) |
| Type | IPS LCD, 120Hz, 560 nits (typ) | Super AMOLED, 90Hz, 800 nits (HBM) |
| Platform |
|---|
| CPU | Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| Chipset | Mediatek Dimensity 7300 Ultimate (4 nm) | Mediatek Helio G99 (6 nm) |
| GPU | Mali-G615 MC2 | Mali-G57 MC2 |
| OS | Android 15, up to 2 major Android upgrades, XOS 15 | Android 14, up to 4 major Android upgrades, One UI 7 |
| Memory |
|---|
| Card slot | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM |
| Main Camera |
|---|
| Features | Dual-LED flash, HDR, panorama | LED flash, panorama, HDR |
| Single | 50 MP, f/1.6, (wide), PDAF | - |
| Triple | - | 50 MP, f/1.8, 26mm (wide), 1/2.8", 0.64µm, PDAF
5 MP, f/2.2, 17mm (ultrawide), 1/5.0", 1.12µm
2 MP (macro) |
| Video | 4K@30fps, 1080p@30/120/240fps | 1080p@30fps |
| Selfie camera |
|---|
| Single | 8 MP, f/2.0, (wide) | 13 MP, f/2.0, 26mm (wide), 1/3.06", 1.12µm |
| Video | 1440p@30fps, 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 35mm jack | No | Yes |
| Loudspeaker | Yes, with stereo speakers | Yes |
| Comms |
|---|
| Bluetooth | 5.4, A2DP, LE | 5.3, A2DP, LE |
| Infrared port | Yes | - |
| NFC | No | Yes (market/region dependent) |
| Positioning | GPS | GPS, GALILEO, GLONASS, BDS, QZSS |
| Radio | FM radio | FM radio (market/region dependent) |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, compass |
| Battery |
|---|
| Charging | 45W wired
10W reverse wired
Bypass Charging | 25W wired |
| Type | 5500 mAh | 5000 mAh |
| Misc |
|---|
| Colors | Titanium Gray, Enchanted Purple, Sea Breeze Green, Sunset Spice Pink | Brave Black, Optimistic Blue, Magical Blue, Personality Yellow |
| Models | X6857B | SM-A155F, SM-A155F/DSN, SM-A155M, SM-A155M/DS, SM-A155P, SM-A155R |
| Price | About 130 EUR | € 168.99 / $ 125.00 / £ 113.00 |
| SAR EU | - | 0.42 W/kg (head) 1.29 W/kg (body) |
Infinix Note 50x
- Significantly faster processor (Dimensity 7300 Ultimate)
- Faster 45W charging
- Reverse wired charging capability
- Battery life is unknown and potentially lower than A15
- Camera specifications are currently unavailable
Samsung Galaxy A15
- Excellent battery life (15:28h active use)
- Bright 808 nit display
- Established Samsung brand and software
- Slower processor (Helio G99)
- Slower 25W charging
Display Comparison
The Samsung Galaxy A15 boasts a measured peak brightness of 808 nits, ensuring excellent visibility outdoors. While the Infinix Note 50x’s display specifications are not provided, it’s likely to be comparable in brightness. However, the A15’s panel technology and refresh rate are unknown, potentially impacting smoothness. The A15’s brightness is a key advantage for users who frequently use their phones in direct sunlight. The lack of detailed display specs for the Note 50x is a notable omission.
Camera Comparison
Without detailed camera specifications for the Infinix Note 50x, a direct comparison is limited. However, the market segment suggests both phones will feature capable, but not exceptional, camera systems. The Galaxy A15 likely relies on Samsung’s image processing algorithms for consistent results. The absence of information regarding sensor size and OIS on the Note 50x makes it difficult to assess its low-light performance. Users should expect competent daylight photography from both devices, but the A15’s established software may offer a more refined experience.
Performance
The core difference lies in the chipsets. The Infinix Note 50x’s Mediatek Dimensity 7300 Ultimate (4nm) is a significantly more advanced processor than the Samsung Galaxy A15’s Helio G99 (6nm). The 4nm process node of the Dimensity 7300 Ultimate translates to improved power efficiency and thermal performance, allowing for sustained performance during intensive tasks. The Note 50x’s CPU configuration – 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 – provides a performance edge over the A15’s 2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55. This means faster app loading times, smoother multitasking, and a better gaming experience on the Infinix.
Battery Life
The Samsung Galaxy A15 shines in battery life, achieving an impressive 15 hours and 28 minutes of active use. While the Infinix Note 50x’s battery capacity is unknown, its 45W wired charging significantly outpaces the A15’s 25W charging. This means the Note 50x can replenish its battery much faster, even if its capacity is slightly smaller. The Note 50x also features 10W reverse wired charging, a convenient feature for topping up accessories, which the A15 lacks. The A15’s endurance is a major selling point for users who prioritize minimizing charging frequency.
Buying Guide
Buy the Infinix Note 50x if you need a phone capable of handling demanding apps and games with relative ease, and appreciate the convenience of 45W fast charging. This phone is for the power user on a budget. Buy the Samsung Galaxy A15 if you prioritize all-day battery life, a bright and clear display for everyday use, and the reliability of the Samsung ecosystem. This is the phone for users who want a dependable device that lasts.
Frequently Asked Questions
❓ Does the Mediatek Dimensity 7300 Ultimate in the Infinix Note 50x get hot during prolonged gaming sessions?
The Dimensity 7300 Ultimate’s 4nm process node is designed for improved thermal efficiency. While some heat generation is inevitable during gaming, it should be significantly better managed than the 6nm Helio G99 in the Galaxy A15, resulting in less throttling and more consistent performance over extended periods.
❓ How long does it realistically take to fully charge the Infinix Note 50x with the 45W charger?
With 45W charging, the Infinix Note 50x should be able to charge from 0% to 100% in approximately 60-75 minutes, depending on battery capacity. This is considerably faster than the Samsung Galaxy A15’s 25W charging, which will likely take over 90 minutes for a full charge.
❓ Is the Samsung Galaxy A15 a good choice for users who frequently stream videos or browse social media?
Yes, the Samsung Galaxy A15’s bright 808 nit display makes it well-suited for media consumption. While the processor isn’t the fastest, it’s perfectly capable of handling everyday tasks like streaming videos and browsing social media without significant lag.
❓ Does the Infinix Note 50x support 5G connectivity?
While not explicitly stated in the provided specs, the Dimensity 7300 Ultimate chipset *typically* supports 5G connectivity. However, regional variations and carrier compatibility should be verified before purchase.
