Xiaomi Redmi K40 Pro+ vs Mi 11i: A Head-to-Head Showdown

Xiaomi consistently delivers impressive smartphones at competitive prices. The Redmi K40 Pro+ and Mi 11i are two strong contenders, both packing the Snapdragon 888. But which one offers the better overall experience? Let's dive into a detailed comparison to help you decide.
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🏆 Quick Verdict

The Redmi K40 Pro+ generally edges out the Mi 11i due to its potentially superior camera system (often featuring a higher resolution main sensor) and slightly more aggressive pricing. However, the Mi 11i boasts a brighter display and potentially better software support, making it a compelling alternative.

PHONES
Phone Names Xiaomi Redmi K40 Pro+ Xiaomi Mi 11i
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 421, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66
5G bands1, 3, 28, 41, 77, 78 SA/NSA/Sub61, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78 SA/NSA
SpeedHSPA, LTE-A, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / HSPA / LTE / 5G
 CDMA2000 1x -
Launch
Announced2021, February 252021, March 29
StatusAvailable. Released 2021, March 04Available. Released 2021, May 31
Body
Dimensions163.7 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)
SIMDual SIM (Nano-SIM, dual stand-by)Nano-SIM + Nano-SIM
Weight196 g (6.91 oz)196 g (6.91 oz)
 IP53, dust and splash resistantIP53, dust and splash resistant
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
TypeSuper AMOLED, 120Hz, HDR10+, 1300 nits (peak)Super AMOLED, 120Hz, HDR10+, 900 nits (HBM), 1300 nits (peak)
Platform
CPUOcta-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)
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUAdreno 660Adreno 660
OSAndroid 11, MIUI 12Android 11, MIUI 12
Memory
Card slotNoNo
Internal256GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesLED flash, HDR, panoramaColor spectrum sensor, LED flash, HDR, panorama
Single20 MP, f/2.5, (wide), 1/3.4", 0.8µm20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Triple108 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), 1/5.0", 1.12µm108 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
Video8K@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
FeaturesHDRHDR
Single20 MP, f/2.5, (wide), 1/3.4", 0.8µm20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Video1080p@30fps, 720p@120fps1080p@30fps, 720p@120fps
Sound
3.5mm jack NoNo
35mm jack-No
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 24-bit/192kHz audio24-bit/192kHz audio
Comms
Bluetooth5.2, A2DP, LE5.2, A2DP, LE
Infrared portYesYes
NFCYesYes (market/region dependent)
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometerFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Battery
Charging33W wired, PD3.0, QC3, 100% in 52 min (advertised)33W wired, PD3.0, QC3, 100% in 52 min
TypeLi-Po 4520 mAh, non-removableLi-Po 4520 mAh
Misc
ColorsBlack, White, AuroraCelestial Silver, Frosty White, Cosmic Black
Models-M2012K11G
PriceAbout 470 EURAbout 230 EUR
SAR-0.95 W/kg (head)     0.74 W/kg (body)
SAR EU-0.57 W/kg (head)     0.77 W/kg (body)
Tests
Battery life- Endurance rating 96h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -26.0 LUFS (Very good)
Performance- AnTuTu: 690021 (v8) GeekBench: 3641 (v5.1)

Xiaomi Redmi K40 Pro+

  • Potentially superior camera system
  • Excellent performance
  • Competitive pricing
  • Fast charging (33W)

  • Design might be less premium
  • Potential for throttling under heavy load
  • Software support may be shorter than Mi series

Xiaomi Mi 11i

  • Brighter display (939 nits)
  • Potentially longer software support
  • Sleek design
  • Excellent battery life (96h endurance)

  • Performance throttling possible
  • Camera may not be as advanced as K40 Pro+
  • Price may be slightly higher

Display Comparison

Both phones feature AMOLED displays with a 120Hz refresh rate, offering smooth scrolling and vibrant colors. However, the Mi 11i's measured peak brightness of 939 nits gives it a noticeable advantage in outdoor visibility. The Redmi K40 Pro+ likely has excellent color accuracy, but lacks the measured brightness data. Contrast ratio is likely excellent on both, with the Mi 11i claiming 'infinite' (nominal).

Camera Comparison

The Redmi K40 Pro+ is generally expected to have a more advanced camera system, often featuring a 108MP main sensor compared to the Mi 11i's likely 108MP or similar. Both offer excellent image quality in good lighting conditions, but the K40 Pro+ may offer better low-light performance and more detail. Video recording capabilities are likely comparable on both.

Performance

Both devices are powered by the Snapdragon 888, ensuring flagship-level performance. Expect snappy multitasking, smooth gaming, and effortless handling of demanding apps. Thermal management will be a key factor; both phones can experience throttling under sustained load, but the Redmi K40 Pro+ might have a slightly more robust cooling solution.

Battery Life

The Mi 11i boasts an impressive endurance rating of 96 hours, suggesting superior battery optimization or a slightly larger battery capacity. The Redmi K40 Pro+ has a 33W charger, which is adequate but not class-leading. Both phones should comfortably last a full day of moderate use.

Buying Guide

The Xiaomi Redmi K40 Pro+ is ideal for users prioritizing camera performance and value for money. The Mi 11i is a great choice for those who value a vibrant display, potentially longer software support, and a slightly more refined design.

Frequently Asked Questions

❓ Which phone has better software support?
The Xiaomi Mi 11i typically receives longer software updates and support compared to the Redmi series, although this can vary.
❓ Is the Snapdragon 888 chipset good for gaming?
Yes, the Snapdragon 888 is a powerful chipset capable of handling demanding games, but be mindful of potential thermal throttling during extended gaming sessions.