Xiaomi Redmi Turbo 3 vs. K70 Ultra: A Deep Dive into Performance and Value

Xiaomi has disrupted the mid-range and upper-mid-range smartphone markets with the Redmi Turbo 3 and K70 Ultra. While both aim to deliver flagship experiences without the flagship price tag, they take different approaches. The Turbo 3 focuses on a more balanced package with the Snapdragon 8s Gen 3, while the K70 Ultra pushes the boundaries with the MediaTek Dimensity 9300+ and faster charging. This comparison will dissect their key differences to help you choose the right device.
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🏆 Quick Verdict

For the average user prioritizing raw performance and future-proofing, the Xiaomi Redmi K70 Ultra emerges as the winner. The Dimensity 9300+ offers a noticeable performance edge, especially in demanding tasks, and the 120W charging significantly reduces downtime. However, the Turbo 3 remains a compelling option for those seeking a slightly more efficient and potentially cooler experience.

PHONES
Phone Names Xiaomi Redmi Turbo 3 Xiaomi Redmi K70 Ultra
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 661, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands1, 3, 5, 8, 28, 38, 40, 41, 48, 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 / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2024, April 102024, July 19
StatusAvailable. Released 2024, April 10Available. Released 2024, July 19
Body
BuildGlass front (Gorilla Glass Victus), plastic frame, plastic backGlass front, aluminum frame
Dimensions160.5 x 74.4 x 7.8 mm (6.32 x 2.93 x 0.31 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
Weight179 g (6.31 oz)211 g (7.44 oz)
Display
ProtectionCorning Gorilla Glass VictusScratch/drop-resistant glass
Resolution1220 x 2712 pixels, 20:9 ratio (~446 ppi density)1220 x 2712 pixels, 20:9 ratio (~446 ppi density)
Size6.67 inches, 107.4 cm2 (~89.9% screen-to-body ratio)6.67 inches, 107.4 cm2 (~89.1% screen-to-body ratio)
TypeAMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 2400 nits (peak)OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, 1600 nits (HBM), 4000 nits (peak)
Platform
CPUOcta-core (1x3.0 GHz Cortex-X4 & 4x2.8 GHz Cortex-A720 & 3x2.0 GHz Cortex-A520)Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
ChipsetQualcomm SM8635 Snapdragon 8s Gen 3 (4 nm)Mediatek Dimensity 9300+ (4 nm)
GPUAdreno 735Immortalis-G720 MC12
OSAndroid 14, HyperOSAndroid 14, HyperOS
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM, 1TB 24GB RAM
Main Camera
Dual50 MP, f/1.6, (wide), 1/1.95", 0.8µm, PDAF, OIS 8 MP, (ultrawide), 1/4.0", 1.12µm-
FeaturesLED flash, HDR, panoramaColor spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Triple-50 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@30/60/120/240fps, gyro-EIS8K@24/30fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single20 MP, f/2.2, (wide), 0.8µm20 MP, (wide), 1/2.0", 0.8µm
Video1080p@30/60fps1080p@30fps
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC5.4, A2DP, LE, LHDC 5
Infrared portYesYes
NFCYesYes
PositioningGPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c)GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5), GLONASS
RadioNoUnspecified
USBUSB Type-C 2.0, OTGUSB Type-C
WLANWi-Fi 802.11 a/b/g/n/ac/6e, 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, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging90W wired, PD3.0, QC3+120W wired, PD3.0, 100% in 24 min
TypeLi-Po 5000 mAhLi-Po 5500 mAh
Misc
ColorsBlack, Green, Titanium, Harry PotterBlack, White, Violet, Green Championship Edition, Orange Championship Edition
Models24069RA21C2407FRK8EC
PriceAbout 260 EURAbout 330 EUR

Xiaomi Redmi Turbo 3

  • Excellent performance with Snapdragon 8s Gen 3
  • Potentially better thermal management
  • Competitive 90W fast charging

  • Slightly less powerful chipset than K70 Ultra
  • May have a less advanced camera system

Xiaomi Redmi K70 Ultra

  • Superior performance with Dimensity 9300+
  • Ultra-fast 120W charging
  • Likely more advanced camera features

  • May run hotter under sustained load
  • Potentially higher price point

Display Comparison

While both devices likely feature high-refresh-rate AMOLED displays (data not provided), the core difference lies in the processing power driving them. The chipset impacts the smoothness of animations and responsiveness. Without specific display specs, we can infer that Xiaomi will aim for similar quality panels across both models, focusing on color accuracy and brightness. The K70 Ultra’s more powerful chipset may allow for more sophisticated display processing, potentially enhancing HDR content.

Camera Comparison

Without detailed camera specifications, it’s difficult to make a definitive comparison. However, given the K70 Ultra’s positioning as a more premium device, it’s reasonable to expect a more advanced camera system. This could include a larger main sensor, optical image stabilization (OIS), and more sophisticated image processing algorithms. The Turbo 3 will likely offer a capable camera experience, but the K70 Ultra is expected to deliver superior image quality, particularly in low-light conditions. We can assume both will offer a range of shooting modes, but the K70 Ultra may have additional features like 8K video recording.

Performance

The heart of the difference is the chipset. The Redmi K70 Ultra’s MediaTek Dimensity 9300+ boasts a unique CPU configuration with 1x3.25 GHz Cortex-X4, 3x2.85 GHz Cortex-X4, and 4x2.0 GHz Cortex-A720 cores. This contrasts with the Redmi Turbo 3’s Qualcomm SM8635 Snapdragon 8s Gen 3, featuring 1x3.0 GHz Cortex-X4, 4x2.8 GHz Cortex-A720, and 3x2.0 GHz Cortex-A520 cores. The K70 Ultra’s increased number of high-performance X4 cores suggests superior multi-core performance. The Snapdragon 8s Gen 3, while still powerful, prioritizes efficiency. Both are built on a 4nm process, but the Dimensity 9300+’s architecture gives it a theoretical edge in sustained performance. The K70 Ultra will likely excel in demanding games and applications.

Battery Life

The Redmi K70 Ultra’s 120W wired charging is a significant advantage, promising a full charge in just 24 minutes. The Turbo 3’s 90W charging is still fast, but noticeably slower. While battery capacity isn’t specified, the faster charging of the K70 Ultra mitigates any potential disadvantage from a slightly smaller battery. The K70 Ultra’s charging also supports PD3.0, offering wider compatibility. The Turbo 3 also supports PD3.0 and QC3+, but the faster peak wattage of the K70 Ultra is the key differentiator.

Buying Guide

Buy the Xiaomi Redmi Turbo 3 if you need a well-rounded device with excellent performance for everyday tasks and gaming, and value thermal efficiency. It’s ideal for users who don’t necessarily need the absolute fastest chipset but want a smooth, reliable experience. Buy the Xiaomi Redmi K70 Ultra if you prioritize maximum performance, especially for gaming and content creation, and demand the fastest possible charging speeds. This phone is for power users who want the best possible specs within a reasonable budget.

Frequently Asked Questions

❓ Will the Dimensity 9300+ in the K70 Ultra overheat during prolonged gaming sessions?
While the Dimensity 9300+ is a powerful chip, thermal management is crucial. Xiaomi likely employs advanced cooling solutions (vapor chamber, graphite sheets) to mitigate heat. However, it's possible the K70 Ultra may get warmer than the Turbo 3 under sustained heavy load, but performance throttling will be minimized.
❓ Is the 90W charging on the Turbo 3 fast enough for daily use?
Yes, 90W charging is still very fast and will replenish the battery quickly. While not as rapid as the K70 Ultra’s 120W, it’s more than sufficient for most users and will provide a significant charge in a short amount of time.
❓ Does the Redmi K70 Ultra support high refresh rates in demanding games like Genshin Impact or PUBG?
Given the powerful Dimensity 9300+ chipset and likely optimized software, the K70 Ultra should be capable of maintaining high refresh rates (likely 120Hz or higher) in demanding games like Genshin Impact and PUBG, providing a smoother and more responsive gaming experience. However, this may depend on the game's settings and optimization.