Xiaomi Redmi K70 Ultra vs. Infinix GT 20 Pro: Which Mid-Range Flagship Reigns Supreme?

The Infinix GT 20 Pro and Xiaomi Redmi K70 Ultra represent compelling options in the increasingly competitive mid-range flagship space. While both leverage MediaTek's Dimensity series, they diverge significantly in processing power and charging capabilities, creating a clear distinction for performance-focused users versus those prioritizing value and efficiency.
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🏆 Quick Verdict

For users demanding the fastest possible performance and charging speeds, the Xiaomi Redmi K70 Ultra is the clear winner. However, the Infinix GT 20 Pro provides a strong alternative for budget-conscious buyers who still desire a capable and responsive experience.

PHONES
Phone Names Infinix GT 20 Pro Xiaomi Redmi K70 Ultra
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, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42, 661, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA1, 3, 5, 7, 8, 28, 66, 38, 40, 41, 48, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2024, April 262024, July 19
StatusAvailable. Released 2024, April 26Available. Released 2024, July 19
Body
Build-Glass front, aluminum frame
Dimensions164.3 x 75.4 x 8.2 mm (6.47 x 2.97 x 0.32 in)160.4 x 75.1 x 8.4 mm (6.31 x 2.96 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight194 g (6.84 oz)211 g (7.44 oz)
Display
Protection-Scratch/drop-resistant glass
Resolution1080 x 2436 pixels (~388 ppi density)1220 x 2712 pixels, 20:9 ratio (~446 ppi density)
Size6.78 inches, 112.7 cm2 (~91.0% screen-to-body ratio)6.67 inches, 107.4 cm2 (~89.1% screen-to-body ratio)
TypeAMOLED, 1B colors, 144Hz, 2304Hz PWM, 1300 nits (peak)OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, 1600 nits (HBM), 4000 nits (peak)
Platform
CPUOcta-core (1x3.1 GHz Cortex-A78 & 3x3.0 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
ChipsetMediatek Dimensity 8200 Ultimate (4 nm)Mediatek Dimensity 9300+ (4 nm)
GPUMali-G610 MC6Immortalis-G720 MC12
OSAndroid 14, XOS 14Android 14, HyperOS
Memory
Card slotUnspecifiedNo
Internal256GB 8GB RAM, 256GB 12GB RAM256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM, 1TB 24GB RAM
Main Camera
FeaturesQuad-LED flash, HDR, panoramaColor spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Triple108 MP, f/1.8, 24mm (wide), 1/1.67", 0.64µm, AF, OIS 2 MP (macro) Auxiliary lens50 MP, f/1.7, 23mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Video4K@30/60fps, 1080p@30/60/120/240fps8K@24/30fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Selfie camera
FeaturesDual-LED flashHDR
Single32 MP, f/2.2, 22mm (wide)20 MP, (wide), 1/2.0", 0.8µm
Video1440p@30fps, 1080p@30/60fps1080p@30fps
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
BluetoothYes5.4, A2DP, LE, LHDC 5
Infrared portYesYes
NFCYesYes
PositioningGPS, GLONASS, GALILEOGPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5), GLONASS
RadioFM radioUnspecified
USBUSB Type-C 2.0, OTGUSB Type-C
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, proximity, compass, gyroFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging45W wired, PD3120W wired, PD3.0, 100% in 24 min
Type5000 mAhLi-Po 5500 mAh
Misc
ColorsMecha Blue, Mecha Orange, Mecha SilverBlack, White, Violet, Green Championship Edition, Orange Championship Edition
ModelsX68712407FRK8EC
PriceAbout 250 EURAbout 330 EUR

Infinix GT 20 Pro

  • More affordable price point
  • Respectable performance for everyday tasks
  • Efficient Dimensity 8200 Ultimate chipset

  • Slower charging speed (45W)
  • Less powerful processor compared to K70 Ultra
  • Potentially less advanced camera system

Xiaomi Redmi K70 Ultra

  • Blazing-fast 120W charging
  • Significantly more powerful Dimensity 9300+ processor
  • Enhanced gaming performance

  • Higher price tag
  • Potentially higher power consumption
  • May run slightly warmer under heavy load

Display Comparison

While both devices likely employ AMOLED panels (based on brand trends), specific details like peak brightness and refresh rates are missing. However, the focus should be on the chipset's ability to drive the display smoothly. The K70 Ultra's more powerful Dimensity 9300+ will likely handle high refresh rates and graphically intensive content with greater ease. Bezels are expected to be minimal on both, typical of modern smartphones. Color accuracy is also likely to be similar, with both brands aiming for vibrant and accurate displays.

Camera Comparison

Without specific sensor details, a direct comparison is difficult. However, Xiaomi typically prioritizes camera performance in its K-series, suggesting the K70 Ultra likely features a more advanced camera system. The Dimensity 9300+'s enhanced ISP (Image Signal Processor) will also contribute to better image processing capabilities. The Infinix GT 20 Pro will likely offer a competent camera experience, but may fall short in low-light performance and dynamic range compared to the K70 Ultra. We can assume both will have a standard main, ultrawide, and potentially a macro lens, but the quality of these sensors will be the deciding factor.

Performance

The core difference lies in the chipsets. The Xiaomi Redmi K70 Ultra’s Dimensity 9300+ features a 1x3.25 GHz Cortex-X4 prime core, alongside 3x2.85 GHz Cortex-X4 cores, representing a significant leap in CPU performance over the Infinix GT 20 Pro’s Dimensity 8200 Ultimate. The 8200 Ultimate utilizes a 1x3.1 GHz Cortex-A78 core and 3x3.0 GHz Cortex-A78 cores. This architectural difference translates to faster application loading, smoother multitasking, and superior gaming performance on the K70 Ultra. Both utilize a 4nm process, but the newer generation cores in the 9300+ offer improved efficiency. The K70 Ultra's LPDDR5x RAM will also contribute to faster data transfer speeds, further enhancing performance.

Battery Life

The Xiaomi Redmi K70 Ultra’s 120W wired charging is a game-changer, promising a full charge in just 24 minutes. This is a substantial advantage over the Infinix GT 20 Pro’s 45W charging. While battery capacity isn't specified, the faster charging speed of the K70 Ultra mitigates the impact of a potentially smaller battery. The PD3.0 support on both devices ensures compatibility with a wide range of chargers. The K70 Ultra’s faster charging is particularly beneficial for users who frequently find themselves needing to quickly top up their battery.

Buying Guide

Buy the Infinix GT 20 Pro if you need a solid all-rounder with respectable performance for everyday tasks and moderate gaming, and if maximizing value for your money is paramount. Buy the Xiaomi Redmi K70 Ultra if you prioritize raw processing power for demanding applications, enjoy fast-paced gaming, and value the convenience of incredibly rapid 120W charging, even at a slightly higher price point.

Frequently Asked Questions

❓ Will the Dimensity 9300+ in the K70 Ultra get noticeably hotter during extended gaming sessions compared to the Dimensity 8200 Ultimate in the GT 20 Pro?
The Dimensity 9300+ is a more powerful chip and will generate more heat under sustained load. However, Xiaomi typically implements robust thermal management solutions in its K-series devices, including vapor chamber cooling. While the K70 Ultra may get warmer, it's unlikely to experience significant throttling if the cooling system is effective. The GT 20 Pro will likely remain cooler, but at the cost of performance.
❓ Does the 120W charging on the K70 Ultra degrade the battery health faster than the 45W charging on the GT 20 Pro?
While faster charging can theoretically contribute to slightly faster battery degradation over the long term, modern smartphones employ sophisticated charging algorithms to mitigate this effect. Xiaomi's 120W charging includes features to protect battery health. The difference in degradation is likely to be minimal and outweighed by the convenience of significantly faster charging times.
❓ Is the performance difference between the two phones noticeable in everyday tasks like browsing and social media?
For basic tasks like browsing, social media, and email, the performance difference will be minimal. Both phones are more than capable of handling these workloads smoothly. However, the K70 Ultra's superior processing power will become more apparent when multitasking with demanding apps or running resource-intensive applications.