The Xiaomi Redmi 15 4G and Realme 11 4G represent compelling options in the increasingly competitive budget 4G smartphone space. While both aim to deliver a solid experience without breaking the bank, they take different approaches to achieving this goal, primarily through chipset choice and charging technology. This comparison dissects their key specifications to determine which device offers the best overall package.
🏆 Quick Verdict
For the average user prioritizing rapid charging and a slightly more modern CPU architecture, the Realme 11 4G emerges as the winner. Its 67W charging significantly reduces downtime, and the Helio G99’s Cortex-A76 cores offer a performance edge in demanding tasks, despite the Redmi 15 4G’s efficiency.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G bands | LTE | LTE |
| Speed | HSPA, LTE | HSPA, LTE |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch |
|---|
| Announced | 2025, August 01 | 2023, July 31 |
| Status | Available. Released 2025, August 01 | Available. Released 2023, July 31 |
| Body |
|---|
| Build | - | Glass front (Gorilla Glass 5), plastic frame, plastic back |
| Dimensions | 171.1 x 82.1 x 8.6 mm (6.74 x 3.23 x 0.34 in) | 159.9 x 73.3 x 8 mm (6.30 x 2.89 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 224 g (7.90 oz) | 178 g (6.28 oz) |
| Display |
|---|
| Protection | - | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~374 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) |
| Size | 6.9 inches, 116.9 cm2 (~83.2% screen-to-body ratio) | 6.4 inches, 98.9 cm2 (~84.4% screen-to-body ratio) |
| Type | IPS LCD, 144Hz | Super AMOLED, 90Hz, 1000 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53) | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| Chipset | Qualcomm SM6225 Snapdragon 685 (6 nm) | Mediatek Helio G99 (6 nm) |
| GPU | Adreno 610 | Mali-G57 MC2 |
| OS | Android 15, HyperOS 2 | Android 12, Realme UI 3.0 |
| Memory |
|---|
| Card slot | microSDXC (uses shared SIM slot) | microSDXC (dedicated slot) |
| Internal | 128GB 6GB RAM, 256GB 8GB RAM | 128GB 8GB RAM, 256GB 8GB RAM |
| Main Camera |
|---|
| Dual | 50 MP, f/1.8, (wide), PDAF
Auxiliary lens | 108 MP, f/1.8, 25mm (wide), 1/1.67", 0.64µm, PDAF
Auxiliary lens |
| Features | LED flash, HDR | LED flash, HDR, panorama |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera |
|---|
| Features | HDR | HDR, panorama |
| Single | 8 MP, f/2.0, (wide) | 16 MP, f/2.5, 27mm (wide) |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 35mm jack | No | Yes |
| Loudspeaker | Yes | Yes |
| Comms |
|---|
| Bluetooth | 5.0, A2DP, LE | 5.2, A2DP, LE, aptX HD, aptX Adaptive |
| Infrared port | Yes | - |
| NFC | Yes (market/region dependent) | Unspecified |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS, GLONASS, GALILEO, BDS |
| Radio | No | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 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, gyro, proximity, compass |
| Battery |
|---|
| Charging | 33W wired | 67W wired, 50% in 17 min |
| Type | Si/C Li-Ion 7000 mAh | 5000 mAh |
| Misc |
|---|
| Colors | Midnight Black, Titan Gray, Sandy Purple | Black, Gold |
| Models | - | RMX3636 |
| Price | € 120.00 / $ 135.00 / £ 109.00 | About 280 EUR |
Xiaomi Redmi 15 4G
- Potentially better sustained thermal performance due to Snapdragon 685’s efficiency.
- Proven Qualcomm chipset with established software optimization.
- Likely competitive pricing.
- Slower 33W charging.
- Older CPU architecture (Cortex-A73) compared to the Realme 11 4G.
Realme 11 4G
- Significantly faster 67W charging.
- More modern CPU architecture (Cortex-A76) for improved responsiveness.
- Potentially brighter display (based on Realme’s historical trends).
- Helio G99 might exhibit slightly more thermal throttling under sustained heavy load.
- MediaTek chipset may have less extensive software optimization compared to Qualcomm.
Display Comparison
Neither device’s display specifications are provided, so a direct comparison is limited. However, given their price points, both likely utilize LCD panels. Realme historically focuses on brighter displays, so it’s reasonable to assume the Realme 11 4G might offer slightly higher peak brightness. The absence of information regarding refresh rates suggests both are likely capped at 60Hz, prioritizing battery life over visual fluidity.
Camera Comparison
Without specific camera sensor details, a detailed comparison is challenging. However, both phones likely feature a primary camera accompanied by auxiliary lenses (often 2MP macro/depth sensors of limited utility). The image processing style will likely differ – Xiaomi tends towards more saturated colors, while Realme often aims for a more natural look. The absence of OIS (Optical Image Stabilization) on either device suggests reliance on software stabilization, which is less effective in low-light conditions.
Performance
The core difference lies in the chipsets: the Xiaomi Redmi 15 4G features the Qualcomm Snapdragon 685, built on a 6nm process, while the Realme 11 4G utilizes the MediaTek Helio G99, also on a 6nm process. The Snapdragon 685 employs a mix of Cortex-A73 and A53 cores, peaking at 2.8GHz. The Helio G99, however, features two Cortex-A76 cores at 2.2GHz and six A55 cores at 2.0GHz. The A76 cores represent a more modern architecture, offering improved single-core performance, which translates to snappier app launches and smoother multitasking. While the Snapdragon 685’s higher clock speed might show an advantage in certain benchmarks, the Helio G99’s architecture is likely to provide a more noticeable real-world performance boost for most users. The 6nm process on both chips contributes to reasonable power efficiency.
Battery Life
The Realme 11 4G’s 67W wired charging is a significant advantage. The advertised 50% charge in 17 minutes drastically reduces charging time compared to the Redmi 15 4G’s 33W charging. While battery capacity isn’t specified, the faster charging of the Realme 11 4G effectively mitigates any potential disadvantage from a slightly smaller battery. Users who frequently top up their phones throughout the day will greatly benefit from the Realme’s charging speed.
Buying Guide
Buy the Xiaomi Redmi 15 4G if you prioritize sustained efficiency and a proven chipset, potentially leading to slightly better long-term thermal performance under consistent load. Buy the Realme 11 4G if you value faster charging speeds and a CPU architecture geared towards quicker responsiveness in everyday apps and light gaming, even if it means potentially slightly higher power consumption.
Frequently Asked Questions
❓ Will the Helio G99 in the Realme 11 4G overheat during prolonged gaming sessions?
While the Helio G99 is a capable chip, it's not a flagship processor. Expect some thermal throttling during extended gaming, especially with graphically demanding titles. However, the 6nm process helps mitigate this, and Realme’s software optimization will play a role in managing temperatures. The Snapdragon 685 in the Redmi 15 4G might maintain slightly cooler temperatures under sustained load, but at the cost of overall performance.
❓ Is the 33W charging on the Redmi 15 4G slow compared to the Realme 11 4G’s 67W?
Yes, the difference is substantial. 33W charging will take considerably longer to fully charge the Redmi 15 4G. The Realme 11 4G’s 67W charging can add a significant amount of battery life in just a few minutes, making it ideal for users who need a quick top-up before heading out.
❓ Does either phone support VoLTE/VoWiFi on all major carriers?
Carrier compatibility can vary significantly by region. It's crucial to check with your specific carrier to confirm VoLTE and VoWiFi support for both the Redmi 15 4G and Realme 11 4G before purchasing, as compatibility isn't guaranteed.
