The Xiaomi Redmi K40 Pro+ and Mi 11X Pro present a fascinating case study in branding and market segmentation. Both devices launched with the same Qualcomm Snapdragon 888 5G chipset, promising similar performance. However, their target audiences and subtle design choices differentiate them, making the choice less about raw power and more about prioritizing specific features and value.
🏆 Quick Verdict
For the average user prioritizing value, the Xiaomi Mi 11X Pro emerges as the slightly better choice. While both phones offer identical processing power thanks to the Snapdragon 888, the Mi 11X Pro often presents at a lower price point, making it a compelling option. The K40 Pro+ caters to those seeking a slightly more refined experience, but the price premium isn't justified by significant hardware differences.
| 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, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 | 1, 3, 5, 7, 8, 38, 40, 41 |
| 5G bands | 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 | 77, 78 Sub6 |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / HSPA / LTE / 5G |
| Launch |
|---|
| Announced | 2021, February 25 | 2021, April 23 |
| Status | Available. Released 2021, March 04 | Available. Released 2021, May 05 |
| Body |
|---|
| Build | - | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5) |
| Dimensions | 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 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 | 196 g (6.91 oz) | 196 g (6.91 oz) |
| 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 (~85.9% screen-to-body ratio) | 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) |
| Type | Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) | Super AMOLED, 120Hz, HDR10+, 900 nits (HBM), 1300 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| GPU | Adreno 660 | Adreno 660 |
| OS | Android 11, MIUI 12 | Android 11, MIUI 12 |
| Memory |
|---|
| Card slot | No | No |
| Internal | 256GB 12GB RAM | 128GB 8GB RAM, 256GB 8GB RAM |
| | - | UFS 3.1 |
| Main Camera |
|---|
| Features | Color spectrum sensor, LED flash, HDR, panorama | Color spectrum sensor, LED flash, HDR, panorama |
| Single | - | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Triple | 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 (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 | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ |
| Selfie camera |
|---|
| Features | HDR | HDR |
| Single | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm | 20 MP, f/2.5, (wide), 1/3.4", 0.8µm |
| Video | 1080p@30fps, 720p@120fps | 1080p@30fps, 720p@120fps |
| Sound |
|---|
| 3.5mm jack | - | No |
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| | - | 24-bit/192kHz audio |
| Comms |
|---|
| Bluetooth | 5.2, A2DP, LE | 5.2, A2DP, LE |
| Infrared port | Yes | Yes |
| NFC | Yes | No |
| Positioning | GPS (L1+L5), GLONASS (G1), 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/6e, 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, barometer | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer |
| Battery |
|---|
| Charging | 33W wired, PD3.0, QC3, 100% in 52 min | 33W wired, PD3.0, QC3, 100% in 52 min |
| Type | Li-Po 4520 mAh | Li-Po 4520 mAh |
| Misc |
|---|
| Colors | Black, White, Aurora | Celestial Silver, Lunar White, Cosmic Black |
| Models | - | M2012K11I |
| Price | About 470 EUR | About 440 EUR |
| SAR | - | 0.85 W/kg (head) 0.60 W/kg (body) |
Xiaomi Redmi K40 Pro+
- Potentially wider accessory availability
- Slightly more premium build quality (speculative)
- Identical Snapdragon 888 performance
- Often priced higher than the Mi 11X Pro
- 33W charging is relatively slow
Xiaomi Mi 11X Pro
- More aggressive pricing
- Identical Snapdragon 888 performance
- Excellent value for money
- Potentially fewer accessory options
- 33W charging is relatively slow
Display Comparison
Both the Redmi K40 Pro+ and Mi 11X Pro utilize AMOLED panels, but detailed specifications regarding peak brightness, color accuracy (Delta E), and refresh rate are missing. Given their flagship positioning, we can assume both offer vibrant colors and smooth scrolling. The absence of LTPO technology suggests neither phone will dynamically adjust refresh rates for optimal battery life, unlike some newer flagships. Bezels are likely comparable, focusing on maximizing screen real estate. Without specific data, it's difficult to declare a clear winner; the display experience will likely be very similar.
Camera Comparison
Detailed camera specifications are absent, making a direct comparison challenging. However, both phones likely feature a multi-camera setup with a primary sensor, ultrawide, and potentially a telephoto lens. The Snapdragon 888's ISP (Image Signal Processor) will deliver similar image processing capabilities. Without knowing sensor sizes, lens apertures, and OIS (Optical Image Stabilization) implementation, it's impossible to determine which phone captures superior photos. The presence of a 2MP macro camera on either device is likely a marketing gimmick and won't significantly impact image quality. Image processing style (e.g., natural vs. saturated colors) could be a differentiating factor, but this requires real-world testing.
Performance
The core of both devices is the Qualcomm SM8350 Snapdragon 888 5G (5 nm) chipset, featuring an octa-core CPU configuration: 1x2.84 GHz Cortex-X1, 3x2.42 GHz Cortex-A78, and 4x1.80 GHz Cortex-A55. This means CPU performance will be virtually identical. Both phones likely utilize LPDDR5 RAM, contributing to fast app loading and multitasking. Thermal management is a critical factor with the Snapdragon 888, known for generating heat under sustained load. While specific cooling solutions aren't detailed, the K40 Pro+ may benefit from a slightly larger chassis for potentially better heat dissipation, but this is speculative. Gaming performance will be comparable, but sustained frame rates may vary based on thermal throttling.
Battery Life
Both the Redmi K40 Pro+ and Mi 11X Pro support 33W wired charging, utilizing PD3.0 and QC3 standards, achieving a 100% charge in approximately 52 minutes. Battery capacity isn't specified, but given the similar form factors and the power demands of the Snapdragon 888, capacities are likely in the 4500-5000 mAh range. The 33W charging speed is relatively modest compared to some competitors offering 65W or 120W charging. Real-world battery life will depend on usage patterns, but both phones should comfortably last a full day with moderate use. The slightly larger potential chassis of the K40 Pro+ *could* accommodate a marginally larger battery, but this is unconfirmed.
Buying Guide
Buy the Xiaomi Redmi K40 Pro+ if you need a phone with a potentially wider availability of accessories and a slightly more premium feel, and are willing to pay a small premium for it. Buy the Xiaomi Mi 11X Pro if you prefer a more aggressively priced flagship experience with the same core performance, and prioritize getting the most power for your money. Both are excellent choices for gamers and power users.
Frequently Asked Questions
❓ Will the Snapdragon 888 in either phone overheat during extended gaming sessions?
The Snapdragon 888 is known to generate heat under sustained load. Both the K40 Pro+ and Mi 11X Pro will likely experience some thermal throttling during prolonged gaming. However, the extent of throttling will depend on the phone's cooling solution and ambient temperature. Expect frame rate dips after 30-60 minutes of intensive gaming.
❓ Is the 33W charging speed sufficient for a flagship phone in 2024?
33W charging is relatively slow compared to the 65W, 80W, or even 120W charging offered by some competitors. While it will fully charge the phone in around 52 minutes, it's not as convenient as faster charging technologies. If rapid charging is a priority, these phones may not be the best choice.
❓ Do either of these phones support expandable storage via microSD card?
Neither Xiaomi typically includes microSD card slots in their flagship devices. It's highly unlikely that either the K40 Pro+ or Mi 11X Pro supports expandable storage. Users should carefully consider their storage needs when purchasing and opt for a model with sufficient internal storage.
