iQOO Neo5 vs Redmi K40 Pro+: Which Snapdragon Flagship Reigns Supreme?

The iQOO Neo5 and Xiaomi Redmi K40 Pro+ represent a fascinating crossroads in the smartphone market. Both aim to deliver flagship-level performance without the flagship price tag, but they achieve this through different approaches. The iQOO Neo5 leverages the efficient Snapdragon 870, while the Redmi K40 Pro+ opts for the more powerful, yet potentially more thermally challenged, Snapdragon 888. This comparison dissects these choices to determine which phone offers the best overall experience.
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🏆 Quick Verdict

For the average user prioritizing sustained performance and rapid charging, the iQOO Neo5 emerges as the stronger contender. While the Redmi K40 Pro+ boasts the more potent Snapdragon 888, its slower 33W charging and potential for thermal throttling diminish its advantages, making the iQOO Neo5 a more consistently enjoyable device.

PHONES
Phone Names vivo iQOO Neo5 Xiaomi Redmi K40 Pro+
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1700(AWS) / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
5G bands1, 3, 28, 41, 77, 78 SA/NSA1, 3, 28, 41, 77, 78 SA/NSA/Sub6
SpeedHSPA, LTE, 5GHSPA, LTE-A, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
 CDMA 800 CDMA2000 1x
Launch
Announced2021, March 162021, February 25
StatusAvailable. Released 2021, March 22Available. Released 2021, March 04
Body
Dimensions163.3 x 76.4 x 8.4 mm (6.43 x 3.01 x 0.33 in)163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
SIMNano-SIM + Nano-SIMDual SIM (Nano-SIM, dual stand-by)
Weight196 g (6.91 oz)196 g (6.91 oz)
 -IP53, dust and splash resistant
Display
Protection-Corning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~398 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.62 inches, 105.8 cm2 (~84.8% screen-to-body ratio)6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
TypeAMOLED, 120Hz, HDR10+, 1300 nits (peak)Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Platform
CPUOcta-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)
ChipsetQualcomm SM8250-AC Snapdragon 870 5G (7 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUAdreno 650Adreno 660
OSAndroid 11, OriginOS 1.0 for iQOOAndroid 11, MIUI 12
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM256GB 12GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesDual-LED dual-tone flash, HDR, panoramaLED flash, HDR, panorama
Single16 MP, f/2.0, (wide)20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Triple48 MP, f/1.8, 25mm (wide), 1/2.0", 0.8µm, PDAF, OIS 13 MP, f/2.2, 16mm, 120˚ (ultrawide) Auxiliary lens108 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", 1.12µm
Video4K@30fps, 1080p@30fps8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Selfie camera
FeaturesHDRHDR
Single16 MP, f/2.0, (wide)20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Video1080p@30fps1080p@30fps, 720p@120fps
Sound
3.5mm jack NoNo
35mm jackNo-
Loudspeaker YesYes, with stereo speakers
 -24-bit/192kHz audio
Comms
Bluetooth5.1, A2DP, LE, aptX HD, aptX Adaptive5.2, A2DP, LE
Infrared port-Yes
NFCYesYes
PositioningGPSGPS (L1+L5), GLONASS (G1), 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, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer
Battery
Charging66W wired, 100% in 30 min33W wired, PD3.0, QC3, 100% in 52 min (advertised)
Type4400 mAhLi-Po 4520 mAh, non-removable
Misc
ColorsBlack, Blue, OrangeBlack, White, Aurora
ModelsV2055A-
PriceAbout 320 EURAbout 470 EUR

vivo iQOO Neo5

  • Significantly faster 66W charging
  • Excellent thermal management with Snapdragon 870
  • Potentially better battery life due to chipset efficiency

  • Slightly less powerful CPU than the Redmi K40 Pro+
  • Camera system may be less advanced

Xiaomi Redmi K40 Pro+

  • More powerful Snapdragon 888 processor
  • Potentially superior camera capabilities
  • Support for PD3.0 and QC3 fast charging standards

  • Slower 33W charging
  • Potential for thermal throttling under sustained load
  • Higher power consumption

Display Comparison

Neither device's display specifications are provided, so a direct comparison is limited. However, given the market positioning, both likely feature AMOLED panels with high refresh rates. The Redmi K40 Pro+ may have a slight edge if it incorporates LTPO technology, allowing for variable refresh rates and improved power efficiency. Bezels are likely comparable, and color accuracy will depend on calibration, a detail not specified in the provided data.

Camera Comparison

Without sensor details, a definitive camera comparison is impossible. However, the Redmi K40 Pro+’s positioning suggests a potentially more sophisticated camera system. The Snapdragon 888 also includes a more advanced ISP (Image Signal Processor) capable of faster processing and improved image quality. The iQOO Neo5 will likely offer a competent camera experience, but the K40 Pro+ may excel in low-light photography and video recording due to its superior processing capabilities. We can assume both phones will have a standard suite of lenses, but the quality of those lenses and the image processing algorithms will be key differentiators.

Performance

The core difference lies in the chipsets. The Xiaomi Redmi K40 Pro+’s Snapdragon 888 (5nm) offers a theoretical performance advantage over the iQOO Neo5’s Snapdragon 870 (7nm). The 888’s Cortex-X1 prime core, clocked at 2.84 GHz, is a significant step up from the 870’s Kryo 585 at 3.2 GHz. However, the 5nm process node of the 888 provides better power efficiency, but also generates more heat under sustained load. The iQOO Neo5’s 870, while slightly slower on paper, is known for its excellent thermal management, minimizing throttling during prolonged gaming. The Redmi K40 Pro+ may show higher benchmark scores, but the iQOO Neo5 is likely to maintain more consistent performance over time.

Battery Life

The iQOO Neo5’s 66W wired charging is a clear advantage, achieving a full charge in just 30 minutes. The Redmi K40 Pro+’s 33W charging, while supporting PD3.0 and QC3, takes a significantly longer 52 minutes to reach 100%. While battery capacity isn’t specified, the faster charging of the iQOO Neo5 effectively mitigates any potential capacity disadvantage. The Snapdragon 870’s efficiency also contributes to better battery life, potentially offsetting the Redmi K40 Pro+’s more power-hungry chipset.

Buying Guide

Buy the vivo iQOO Neo5 if you need a phone that consistently delivers strong performance during extended gaming sessions and values incredibly fast 66W charging. It’s ideal for users who prioritize a smooth, reliable experience over absolute peak benchmarks. Buy the Xiaomi Redmi K40 Pro+ if you absolutely require the highest possible CPU performance for demanding tasks and are willing to accept slower charging and potentially manage thermal throttling during prolonged intensive use.

Frequently Asked Questions

❓ Will the Redmi K40 Pro+ overheat during extended gaming sessions?
The Snapdragon 888 is known to generate significant heat under sustained load. While Xiaomi likely implemented cooling solutions, the Redmi K40 Pro+ is more prone to thermal throttling during prolonged gaming compared to the iQOO Neo5, which benefits from the Snapdragon 870’s superior thermal efficiency.
❓ How much faster is the iQOO Neo5's charging compared to the Redmi K40 Pro+ in real-world use?
The iQOO Neo5’s 66W charging can add a substantial amount of battery life in just a few minutes. A 15-minute charge can easily provide several hours of usage, while the Redmi K40 Pro+'s 33W charging will add significantly less charge in the same timeframe. This difference is particularly noticeable for users who frequently need to top up their battery quickly.
❓ Is the performance difference between the Snapdragon 870 and 888 noticeable in everyday tasks?
For typical daily tasks like browsing, social media, and video streaming, the performance difference between the two chipsets will be minimal. Both phones will feel incredibly responsive. The Snapdragon 888’s advantage becomes more apparent in demanding applications like video editing, 3D rendering, and graphically intensive games.