Xiaomi consistently delivers impressive smartphones at competitive prices. The Redmi K40S and Mi 11X Pro are two such contenders, both packing powerful processors and desirable features. But which one offers the better overall experience?
🏆 Quick Verdict
The Redmi K40S emerges as the winner for most users due to its significantly faster charging and comparable performance at a lower price point. The Mi 11X Pro boasts a slightly more premium design and potentially better camera processing, but the K40S offers better value.
| 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 / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 | 1, 3, 5, 7, 8, 38, 40, 41 |
| 5G bands | 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA | 77, 78 Sub6 |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / HSPA / LTE / 5G |
| | CDMA2000 1x | - |
| Launch |
|---|
| Announced | 2022, March 17 | 2021, April 23 |
| Status | Available. Released 2022, March 17 | Available. Released 2021, May 05 |
| Body |
|---|
| Build | Glass front (Gorilla Glass 5), plastic back | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5) |
| Dimensions | 163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in) | 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 195 g (6.88 oz) | 196 g (6.91 oz) |
| | Splash resistant | - |
| Display |
|---|
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~86.6% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) |
| Type | AMOLED, 120Hz, HDR10+, 1300 nits (peak) | Super AMOLED, 120Hz, HDR10+, 900 nits (HBM), 1300 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| Chipset | Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| GPU | Adreno 650 | Adreno 660 |
| OS | Android 12, MIUI 13 | Android 11, MIUI 12 |
| Memory |
|---|
| Card slot | No | No |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 128GB 8GB RAM, 256GB 8GB RAM |
| | UFS 3.1 | UFS 3.1 |
| Main Camera |
|---|
| Features | Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama | Color spectrum sensor, LED flash, HDR, panorama |
| Single | 20 MP, (wide) | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Triple | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF, OIS
8 MP, 119˚ (ultrawide)
2 MP (macro) | 108 MP, f/1.8, 26mm (wide), 1/1.52", 0.7µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide)
5 MP, f/2.4, 50mm (telephoto macro), 1/5.0", 1.12µm, AF |
| Video | 4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ |
| Selfie camera |
|---|
| Features | - | HDR |
| Single | 20 MP, (wide) | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Video | 1080p@30/120fps | 1080p@30fps, 720p@120fps |
| Sound |
|---|
| 3.5mm jack | No | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| | 24-bit/192kHz audio | 24-bit/192kHz audio |
| Comms |
|---|
| Bluetooth | 5.2, A2DP, LE | 5.2, A2DP, LE |
| Infrared port | - | Yes |
| NFC | Yes | No |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) | GPS (L1+L5), GLONASS, BDS, NavIC |
| 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/6, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer |
| Battery |
|---|
| Charging | 67W wired, PD3.0, QC3, 100% in 38 min | 33W wired, PD3.0, QC3, 100% in 52 min |
| Type | Li-Po 4500 mAh | Li-Po 4520 mAh |
| Misc |
|---|
| Colors | Black, Gray, Blue, Green | Celestial Silver, Lunar White, Cosmic Black |
| Models | - | M2012K11I |
| Price | About 260 EUR | About 440 EUR |
| SAR | - | 0.85 W/kg (head) 0.60 W/kg (body) |
Xiaomi Redmi K40S
- Blazing-fast 67W charging
- Excellent performance with Snapdragon 870
- Great value for money
- Smooth 120Hz AMOLED display
- Slightly less premium design than Mi 11X Pro
- Camera processing not quite as refined as Mi 11X Pro
Xiaomi Mi 11X Pro
- Flagship Snapdragon 888 processor
- Potentially better camera image processing
- Slightly more premium design
- Smooth 120Hz AMOLED display
- Slower 33W charging
- Higher price point
- Can experience throttling under sustained load
Display Comparison
Both phones feature AMOLED displays with a 120Hz refresh rate, offering vibrant colors and smooth scrolling. The Mi 11X Pro might have slightly better color accuracy due to its potentially higher calibration, but the difference is likely minimal for most users. Both have similar resolutions and brightness levels.
Camera Comparison
The Mi 11X Pro generally has a slightly better camera system, particularly in low-light conditions and with its image processing. Both phones offer versatile camera setups with main, ultrawide, and macro lenses. However, the K40S's camera is still very capable and produces excellent results in most scenarios.
Performance
While the Mi 11X Pro has the flagship Snapdragon 888, the Redmi K40S's Snapdragon 870 is remarkably close in performance for most real-world tasks. The 870 is known for its efficiency, often resulting in better sustained performance and less throttling. Gaming performance is excellent on both, but the K40S might edge out the Mi 11X Pro in extended gaming sessions due to better thermal management.
Battery Life
The Redmi K40S takes a clear lead here with its 67W fast charging, capable of fully charging the phone in just 38 minutes. The Mi 11X Pro's 33W charging is significantly slower, taking around 52 minutes. Battery capacity is similar, so the charging speed makes a huge difference in overall convenience.
Buying Guide
The Xiaomi Redmi K40S is ideal for users prioritizing fast charging, smooth performance for everyday tasks and gaming, and excellent value for money. The Xiaomi Mi 11X Pro is better suited for those who want a slightly more premium feel, potentially better camera image processing, and are willing to pay a premium for it.
Frequently Asked Questions
❓ Is the Snapdragon 870 as good as the Snapdragon 888?
For most everyday tasks and gaming, the Snapdragon 870 is very close to the 888 in performance. The 870 is often more efficient and can maintain performance better under sustained load.
❓ Which phone has better battery life?
Both have similar battery capacities, but the Redmi K40S wins due to its significantly faster charging speed, making it more convenient to top up.
