Xiaomi Redmi K30 vs OnePlus 8T+ 5G: A Deep Dive into Performance and Endurance

The Xiaomi Redmi K30 and OnePlus 8T+ 5G represent distinct approaches to the mid-range 5G market. The K30, released earlier, prioritized long battery life and value, while the 8T+ 5G arrived as a performance-focused upgrade, boasting a significantly more powerful chipset and blazing-fast charging. This comparison dissects the core differences to determine which phone best suits your needs.
Phones Images

🏆 Quick Verdict

For the average user prioritizing raw speed and quick charging, the OnePlus 8T+ 5G is the clear winner. Its Snapdragon 865 chipset delivers a substantial performance uplift. However, the Redmi K30’s exceptional 101-hour endurance rating and lower price point make it a compelling choice for those who value battery life above all else.

PHONES
Phone Names Xiaomi Redmi K30 OnePlus 8T+ 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 5, 8, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71
5G bands-2, 25, 41, 66, 71 Sub6/mmWave
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/200 Mbps, 5G 7.5 Gbps DL
TechnologyGSM / CDMA / HSPA / EVDO / LTEGSM / CDMA / HSPA / LTE / 5G
 CDMA2000 1xEV-DO -
Launch
Announced2019, December 10. Released 2019, December 202020, October 14
StatusDiscontinuedAvailable. Released 2020, October 16
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions165.3 x 76.6 x 8.8 mm (6.51 x 3.02 x 0.35 in)160.7 x 74.1 x 8.4 mm (6.33 x 2.92 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM
Weight208 g (7.34 oz)-
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 (~402 ppi density)
Size6.67 inches, 107.4 cm2 (~84.8% screen-to-body ratio)6.55 inches, 103.6 cm2 (~87.0% screen-to-body ratio)
TypeIPS LCD, 120Hz, HDR10Fluid AMOLED, 120Hz, HDR10+
Platform
CPUOcta-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
ChipsetQualcomm SDM730 Snapdragon 730G (8 nm)Qualcomm SM8250 Snapdragon 865 5G (7 nm+)
GPUAdreno 618Adreno 650
OSAndroid 10, MIUI 11Android 11, OxygenOS 11
Memory
Card slotmicroSDXC (uses shared SIM slot)No
Internal64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM256GB 12GB RAM
 UFS 2.1 -
Main Camera
FeaturesDual-LED flash, HDR, panoramaDual-LED flash, HDR, panorama
Quad64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.6", 1.0µm 5 MP (macro) Auxiliary lens
Video4K@30fps, 1080p@30/120fps, 720p@960fps; gyro-EIS4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Selfie camera
Dual20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm 2 MP, f/2.4, 1/5.0", 1.75µm, depth sensor-
FeaturesHDRHDR
Single-16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Video1080p@30fps1080p@30fps, gyro-EIS
Sound
3.5mm jack Yes-
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
 24-bit/192kHz audio -
Comms
Bluetooth5.0, A2DP, LE, aptX HD5.1, A2DP, LE, aptX HD
Infrared portYes-
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDSGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
RadioFM radio, recordingNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.1, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer (market dependant)
Battery
Charging27W wired, 100% in 68 min65W wired, 100% in 39 min
TypeLi-Po 4500 mAh, non-removableLi-Po 4500 mAh
Misc
ColorsBlue, Red, PurpleAquamarine Green, Lunar Silver
ModelsM1912G7BE, M1912G7BCKB2007
PriceAbout 210 EURAbout 640 EUR
Tests
Audio quality Noise -94.0dB / Crosstalk -93.0dB-
Battery life Endurance rating 101h -
Camera Photo / Video-
Display Contrast ratio: 1378:1 (nominal)-
Performance AnTuTu: 218200 (v7), 272229 (v8) GeekBench: 7008 (v4.4), 1692 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)-

Xiaomi Redmi K30

  • Exceptional battery life (101h endurance)
  • More affordable price point
  • Decent performance for everyday tasks

  • Slower charging speed (68 minutes)
  • Less powerful chipset compared to the 8T+ 5G
  • Likely inferior camera performance

OnePlus 8T+ 5G

  • Flagship-level Snapdragon 865 performance
  • Blazing-fast 65W charging (39 minutes)
  • Likely superior display and camera quality

  • Potentially shorter battery life
  • Higher price tag
  • May run warmer under heavy load

Display Comparison

The Redmi K30 features a display with a measured peak brightness of 714 nits and a 1378:1 contrast ratio. While respectable, this is likely surpassed by the OnePlus 8T+ 5G, which, typical of OnePlus flagships, would have aimed for higher brightness and color accuracy. The K30’s contrast ratio suggests an IPS panel, while the 8T+ 5G likely utilizes AMOLED technology for richer colors and deeper blacks. Without specific data on the 8T+’s display, we can infer a superior viewing experience based on OnePlus’s historical display choices.

Camera Comparison

Both phones offer photo and video capabilities, but detailed sensor information is lacking for the Redmi K30. Given its market positioning, it likely features a primary sensor around 48MP. The OnePlus 8T+ 5G, while not specified here, would typically include a higher-resolution main sensor and potentially more advanced image processing algorithms. Without specifics, it’s difficult to make a definitive judgment, but the 8T+ 5G’s flagship status suggests a more refined camera system, particularly in low-light conditions.

Performance

The core difference lies in the chipsets. The Redmi K30’s Qualcomm Snapdragon 730G (8nm) is a capable mid-range processor, featuring an octa-core configuration with Kryo 470 cores. However, the OnePlus 8T+ 5G’s Snapdragon 865 5G (7nm+) is a flagship-level SoC. The 865’s Cortex-A77 cores, particularly the prime core clocked at 2.84 GHz, offer significantly higher single-core and multi-core performance. This translates to faster app loading times, smoother multitasking, and a more responsive gaming experience. The 7nm+ process also contributes to improved thermal efficiency, though the 865 will still generate more heat under sustained load.

Battery Life

The Redmi K30 shines in battery endurance, boasting a remarkable 101-hour rating. This suggests a large battery capacity and efficient power management. The OnePlus 8T+ 5G, while likely having a smaller battery, compensates with its incredibly fast 65W wired charging, achieving a full charge in just 39 minutes. The K30 takes 68 minutes to reach 100%. This difference in charging speed is a significant convenience factor for the 8T+ 5G, allowing for quick top-ups throughout the day, despite potentially shorter overall battery life.

Buying Guide

Buy the Xiaomi Redmi K30 if you need exceptional battery life, are on a tighter budget, and prioritize longevity over peak performance. It’s ideal for users who consume media extensively or frequently find themselves away from a charger. Buy the OnePlus 8T+ 5G if you prefer a smoother, faster experience for gaming and demanding applications, and value the convenience of incredibly rapid 65W charging. This phone is geared towards power users and those who want a responsive device.

Frequently Asked Questions

❓ Is the Snapdragon 730G in the Redmi K30 sufficient for playing demanding games like PUBG or Call of Duty?
The Snapdragon 730G can handle PUBG and Call of Duty, but you'll likely need to lower graphics settings for a consistently smooth experience. The 865 in the OnePlus 8T+ 5G will provide a much more fluid experience at higher settings, with less frame rate fluctuation.
❓ How much faster is the 65W charging on the OnePlus 8T+ 5G compared to the 27W charging on the Redmi K30 in real-world usage?
The 65W charging on the 8T+ 5G is a game-changer. You can go from 0% to 100% in approximately 39 minutes, while the K30 takes 68 minutes. This means you can quickly top up your phone during a short break, whereas the K30 requires a longer charging period.
❓ Will the Redmi K30's battery last a full day of heavy usage, including video streaming and gaming?
The Redmi K30's 101-hour endurance rating suggests it can easily last a full day of heavy usage, and potentially even two days with moderate use. This is a significant advantage for users who prioritize battery life.