iQOO Neo9S Pro vs Redmi K70 Pro: A Deep Dive into Performance and Value

The iQOO Neo9S Pro and Xiaomi Redmi K70 Pro represent the cutting edge of value-focused flagships. Both devices pack top-tier silicon and blazing-fast charging, but they diverge in chipset choice – Mediatek’s Dimensity 9300+ versus Qualcomm’s Snapdragon 8 Gen 3 – creating a compelling battle for performance supremacy and user preference.
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🏆 Quick Verdict

For the average user prioritizing raw gaming performance and established software optimization, the Xiaomi Redmi K70 Pro edges out the iQOO Neo9S Pro. The Snapdragon 8 Gen 3’s mature driver support and slightly more efficient architecture provide a smoother, more consistent experience, despite the iQOO’s impressive charging speed.

PHONES
Phone Names vivo iQOO Neo9S Pro Xiaomi Redmi K70 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 411, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA1, 3, 5, 8, 28, 38, 41, 48, 66, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2024, May 202023, November 29
StatusAvailable. Released 2024, May 20Available. Released 2023, November 29
Body
Dimensions163.5 x 75.7 x 8 mm or 8.3 mm160.9 x 75 x 8.2 mm (6.33 x 2.95 x 0.32 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight190 g or 196 g (6.70 oz)209 g (7.37 oz)
Display
Resolution1260 x 2800 pixels, 20:9 ratio (~453 ppi density)1440 x 3200 pixels, 20:9 ratio (~526 ppi density)
Size6.78 inches, 111.0 cm2 (~89.7% screen-to-body ratio)6.67 inches, 107.4 cm2 (~89.0% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 144Hz, HDR10+, 1400 nits (HBM)OLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 4000 nits (peak)
Platform
CPUOcta-core (1x3.4 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
ChipsetMediatek Dimensity 9300+ (4 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
GPUImmortalis-G720 MC12Adreno 750
OSAndroid 14, OriginOS 4Android 14, HyperOS
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 24GB RAM
Main Camera
Dual50 MP, f/1.9, (wide), 1/1.49", PDAF, OIS 50 MP, f/2.0, 119˚ (ultrawide), 1/2.76", 0.64µm, AF-
FeaturesLED flash, panorama, HDRColor spectrum sensor, LED flash, HDR, panorama
Triple-50 MP, f/1.6, (wide), 1/1.55", 1.0µm, PDAF, OIS 50 MP, (telephoto), PDAF, 2x optical zoom 12 MP, (ultrawide)
Video8K, 4K, 1080p, gyro-EIS8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Selfie camera
Features-HDR
Single16 MP, f/2.5, (wide)16 MP, (wide)
Video1080p@30fps1080p@30/60fps, gyro-EIS
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakers (closed type)Yes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, aptX Adaptive5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), GLONASS, BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5)GPS (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, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-bandWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, proximity, gyro, compass
Battery
Charging120W wired, 40% in 9 min Reverse wired120W wired, PD3.0, QC3+, 100% in 18 min
Type5160 mAhLi-Po 5000 mAh
Misc
ColorsBlack, White, RedBlack, Silver, Blue/Green, Lamborgini Green, Lamborgini Yellow
ModelsV2339FA23117RK66C
PriceAbout 340 EURAbout 430 EUR

vivo iQOO Neo9S Pro

  • Extremely fast initial charging (40% in 9 mins)
  • Potentially higher CPU performance due to all-performance core design
  • Competitive price point

  • Mediatek chipset may have less optimized software support
  • Potential for thermal throttling under sustained load

Xiaomi Redmi K70 Pro

  • Snapdragon 8 Gen 3 offers excellent gaming performance
  • Mature software ecosystem and optimization
  • Potentially better power efficiency

  • Slightly slower overall charging time (100% in 18 mins)
  • May be marginally more expensive

Display Comparison

While both phones are expected to feature high-refresh-rate AMOLED displays (specs not provided), the key differentiator will likely be peak brightness and color calibration. The Redmi K70 Pro, benefiting from Xiaomi’s display expertise, may offer a slightly wider color gamut and more accurate color reproduction. The iQOO Neo9S Pro, however, could potentially leverage a higher PWM dimming frequency for reduced eye strain, a crucial factor for users sensitive to flicker. Bezels are expected to be minimal on both, but real-world testing will reveal the winner.

Camera Comparison

Without detailed camera specifications, it’s difficult to make definitive claims. However, given the price points, both phones are likely to feature a primary sensor in the 50MP-100MP range. The Redmi K70 Pro, leveraging Xiaomi’s image processing algorithms, may prioritize color accuracy and dynamic range. The iQOO Neo9S Pro might lean towards a more vibrant, social media-friendly aesthetic. Optical Image Stabilization (OIS) will be crucial for video recording and low-light performance on both devices. The presence of a dedicated telephoto lens, and its magnification level, will be a key differentiator.

Performance

The core of this comparison lies in the chipsets. The Xiaomi Redmi K70 Pro’s Snapdragon 8 Gen 3 (4nm) boasts a 1x3.3 GHz Cortex-X4 prime core, complemented by 3x3.2 GHz Cortex-A720 cores and 2x3.0 GHz Cortex-A720 cores, plus 2x2.3 GHz Cortex-A520 cores. This contrasts with the iQOO Neo9S Pro’s Mediatek Dimensity 9300+ (4nm) featuring a 1x3.4 GHz Cortex-X4, 3x2.85 GHz Cortex-X4, and 4x2.0 GHz Cortex-A720 cores. The Dimensity 9300+’s all-performance core configuration *could* translate to higher peak scores in CPU-intensive tasks, but the Snapdragon 8 Gen 3’s more balanced architecture and Qualcomm’s Adreno GPU typically excel in sustained gaming performance and thermal management. Both utilize LPDDR5x RAM, but the speed and configuration will be critical. The Snapdragon’s mature software ecosystem and optimization are also significant advantages.

Battery Life

Both devices feature 120W wired charging, a significant advantage over slower-charging competitors. The Redmi K70 Pro claims 100% charge in 18 minutes, while the iQOO Neo9S Pro achieves 40% in 9 minutes. This suggests the iQOO may initially charge faster, but the Redmi K70 Pro’s overall charging curve might be more efficient. Battery capacity is unknown, but the Snapdragon 8 Gen 3’s improved power efficiency could offset a potentially smaller battery in the Redmi K70 Pro, resulting in comparable real-world battery life.

Buying Guide

Buy the vivo iQOO Neo9S Pro if you prioritize incredibly fast 120W charging and are comfortable with potentially needing to monitor thermal performance during extended gaming sessions. Buy the Xiaomi Redmi K70 Pro if you prefer a more refined, consistently high-performing experience with a chipset known for its gaming prowess and broader software compatibility, even if charging takes slightly longer.

Frequently Asked Questions

❓ Will the Dimensity 9300+ in the iQOO Neo9S Pro overheat during prolonged gaming sessions like Genshin Impact?
The Dimensity 9300+ is a powerful chipset, but its all-performance core design could lead to higher temperatures under sustained load. iQOO will likely employ cooling solutions, but the Redmi K70 Pro’s Snapdragon 8 Gen 3 generally exhibits better thermal management, potentially offering a more consistent gaming experience over extended periods.
❓ Does the Redmi K70 Pro support frame rate interpolation for smoother video playback?
Xiaomi often includes features like frame rate interpolation in their flagship devices. While not confirmed for the K70 Pro, it's highly probable, enhancing the viewing experience for video content. This feature artificially increases the frame rate of videos, making motion appear smoother, but can sometimes introduce artifacts.
❓ How does the 120W charging on both phones affect battery health over the long term?
While 120W charging is incredibly fast, concerns about long-term battery degradation are valid. Both iQOO and Xiaomi employ charging algorithms designed to mitigate this, slowing down the charging rate as the battery nears full capacity. However, consistently using ultra-fast charging *may* accelerate battery wear compared to slower charging methods.