The sub-$200 smartphone market is fiercely competitive, and the Xiaomi Redmi 15C and Realme C55 are two strong contenders. The Redmi 15C arrives with a newer Mediatek Dimensity 6300 chipset and a focus on exceptional battery life, while the Realme C55 prioritizes a brighter display and a familiar Realme user experience. This comparison dissects their strengths and weaknesses to determine which device offers the best value.
🏆 Quick Verdict
For the average user prioritizing longevity and consistent performance, the Xiaomi Redmi 15C is the clear winner. Its significantly superior battery endurance (62:06h vs 123h) and more modern Dimensity 6300 chipset outweigh the Realme C55’s brighter screen. However, users heavily focused on display clarity may prefer the C55.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71 | 1, 3, 5, 8, 38, 40, 41 |
| 5G bands | 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA | - |
| Speed | HSPA, LTE, 5G | HSPA, LTE |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE |
| Launch |
|---|
| Announced | 2025, September 18 | 2023, March 07 |
| Status | Available. Released 2025, September 18 | Available. Released 2023, March 08 |
| Body |
|---|
| Build | - | Glass front, plastic frame, plastic back |
| Dimensions | 173.2 x 81.1 x 8.2 mm (6.82 x 3.19 x 0.32 in) | 165.6 x 75.9 x 7.9 mm (6.52 x 2.99 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 211 g (7.44 oz) | 189.5 g (6.70 oz) |
| Display |
|---|
| Protection | Mohs level 6 | - |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~254 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~392 ppi density) |
| Size | 6.9 inches, 114.9 cm2 (~81.8% screen-to-body ratio) | 6.72 inches, 109.0 cm2 (~86.7% screen-to-body ratio) |
| Type | IPS LCD, 120Hz, 810 nits (HBM) | IPS LCD, 90Hz, 680 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| Chipset | Mediatek Dimensity 6300 (6 nm) | Mediatek MT6769H Helio G88 (12 nm) |
| GPU | Mali-G57 MC2 | Mali-G52 MC2 |
| OS | Android 15, HyperOS 2 | Android 13, Realme UI 4.0 |
| Memory |
|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 128GB 4GB RAM, 256GB 4GB RAM, 256GB 8GB RAM | 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Main Camera |
|---|
| Dual | 50 MP, f/1.8, 28mm (wide), 1/2.76", 0.64µm, PDAF
Auxiliary lens | 64 MP, (wide), 1/2.0", PDAF
Auxiliary lens |
| Features | LED flash, HDR | LED flash, HDR, panorama |
| Single | - | 8 MP, (wide) |
| Video | 1080p@30fps | 1080p@30/60fps |
| Selfie camera |
|---|
| Features | HDR | HDR, panorama |
| Single | 8 MP, f/2.0, (wide), 1/4.0", 1.12µm | 8 MP, (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 3.5mm jack | - | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms |
|---|
| Bluetooth | 5.4, A2DP, LE | 5.2, A2DP, LE |
| NFC | Yes (market/region dependent) | Yes, 360˚ (market/region dependent) |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | FM radio | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Battery |
|---|
| Charging | 33W wired, PD, 50% in 28 min
10W reverse wired | 33W wired, 50% in 29 min |
| Type | 6000 mAh | 5000 mAh |
| Misc |
|---|
| Colors | Midnight Black, Mint Green, Dusk Purple | Sun Shower, Rainy Night, Rainforest |
| Models | 2508CRN2BC, 2508CRN2BG, 25062RN2DE | RMX3710 |
| Price | € 131.09 | ₹ 8,399 |
| Tests |
|---|
| Battery life | - |
Endurance rating 123h
|
| Camera | - |
Photo / Video |
| Display | - |
Contrast ratio: 1264:1 (nominal) |
| Loudspeaker | - |
-31.8 LUFS (Below average)
|
| Performance | - |
AnTuTu: 257263 (v9)
GeekBench: 1452 (v5.1), 1413 (v6)
GFXBench: 9fps (ES 3.1 onscreen) |
| EU LABEL |
|---|
| Battery | 62:06h endurance, 1000 cycles | - |
| Energy | Class B | - |
| Free fall | Class A (270 falls) | - |
| Repairability | Class C | - |
Xiaomi Redmi 15C
- Exceptional battery life (62:06h endurance)
- More modern and efficient Dimensity 6300 chipset
- 10W reverse wired charging
- Display brightness and technology are unknown
- Camera specifications are not provided
Realme C55
- Brighter display (659 nits peak brightness)
- Decent contrast ratio (1264:1)
- Familiar Realme UI experience
- Older and less efficient Helio G88 chipset
- Significantly shorter battery life (123h endurance)
Display Comparison
The Realme C55 boasts a brighter display, peaking at 659 nits, compared to the Redmi 15C’s unspecified brightness. While the Redmi 15C’s display specs are missing, the C55’s 1264:1 contrast ratio suggests a decent visual experience. However, brightness isn’t everything; panel technology and color accuracy are absent from the provided data. The C55’s higher peak brightness will be noticeable outdoors, but the Redmi 15C’s potential display characteristics remain unknown, making a definitive judgment difficult without further testing.
Camera Comparison
Both devices are listed as having 'Photo / Video' capabilities, but lack specific details regarding sensor size, aperture, or image processing. This makes a meaningful camera comparison impossible based on the provided data. The absence of information suggests both phones likely employ similar budget-oriented camera setups, focusing on basic functionality rather than advanced features. Without knowing the megapixel count or sensor size, it’s safe to assume neither phone will excel in low-light photography.
Performance
The Xiaomi Redmi 15C’s Mediatek Dimensity 6300 (6nm) represents a significant architectural leap over the Realme C55’s Helio G88 (12nm). The Dimensity 6300 utilizes more efficient Cortex-A76 cores clocked at 2.4 GHz alongside Cortex-A55 cores, while the C55 relies on older Cortex-A75 cores at 2.0 GHz. The 6nm process node of the Dimensity 6300 translates to better power efficiency and potentially lower thermal throttling during sustained workloads. This means the Redmi 15C is likely to maintain higher performance levels for longer periods, particularly in gaming and demanding applications.
Battery Life
The Redmi 15C’s battery endurance of 62:06h is a standout feature, dwarfing the Realme C55’s 123h rating. This massive difference suggests the Dimensity 6300’s efficiency and potentially a larger battery capacity (though not specified) contribute to significantly longer usage times. Both phones support 33W wired charging, achieving 50% charge in approximately 28-29 minutes. The Redmi 15C also offers 10W reverse wired charging, a convenient feature for topping up accessories, which the C55 lacks.
Buying Guide
Buy the Xiaomi Redmi 15C if you need a phone that will reliably last through a full day – and then some – of heavy use, and if you value a more recent chipset for smoother multitasking and app performance. Buy the Realme C55 if you prioritize a brighter, more vibrant display for media consumption and are less concerned with maximizing battery life or having the latest processor.
Frequently Asked Questions
❓ Will the Helio G88 in the Realme C55 struggle with demanding games like PUBG Mobile?
The Helio G88 is a capable chipset for casual gaming, but it may exhibit noticeable frame drops and throttling during extended PUBG Mobile sessions, especially at higher graphics settings. The Redmi 15C’s Dimensity 6300, with its more efficient architecture, is better equipped to handle sustained gaming workloads.
❓ How does the 33W charging compare in real-world usage between the Redmi 15C and Realme C55?
Both phones achieve a 50% charge in roughly 28-29 minutes with 33W charging. However, the Redmi 15C’s larger battery (implied by its significantly longer endurance) will take longer to fully charge from 0-100% despite the same charging wattage.
❓ Is the lack of detailed camera specs on both phones a major concern?
Yes, it is. The absence of information regarding sensor size, aperture, and image processing suggests both phones likely feature basic camera systems suitable for casual snapshots but not for serious photography. Don't expect exceptional low-light performance or detailed images.