Xiaomi Redmi K30S vs Redmi K30 Ultra: The Ultimate Showdown

Xiaomi's Redmi series consistently delivers impressive value, and the K30S and K30 Ultra are prime examples. Both offer flagship-level features at competitive prices, but which one reigns supreme? This comprehensive comparison will break down every aspect to help you make the right choice.
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🏆 Quick Verdict

The Redmi K30 Ultra edges out the K30S thanks to its faster charging, slightly better camera versatility (especially with the 64MP primary), and the Dimensity 1000+ chipset's strong performance. However, the K30S's Snapdragon 865 remains a powerful contender, particularly for those preferring Qualcomm.

PHONES
Phone Names Xiaomi Redmi K30S Xiaomi Redmi K30 Ultra
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 34, 38, 39, 40, 411, 3, 5, 7, 8, 34, 38, 39, 40, 41
5G bands1, 3, 41, 78, 79 SA/NSA1, 3, 41, 78, 79 SA/NSA
EDGE-No
GPRS-No
SpeedHSPA, LTE, 5G (2+ Gbps DL)HSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 CDMA2000 1xEV-DO CDMA2000 1xEV-DO
Launch
Announced2020, October 27. Released 2020, November 112020, August 11. Released 2020, August 14
StatusDiscontinuedDiscontinued
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions165.1 x 76.4 x 9.3 mm (6.5 x 3.01 x 0.37 in)163.3 x 75.4 x 9.1 mm (6.43 x 2.97 x 0.36 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight216 g (7.62 oz)213 g (7.51 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 (~395 ppi density)
Size6.67 inches, 107.4 cm2 (~85.2% screen-to-body ratio)6.67 inches, 107.4 cm2 (~87.2% screen-to-body ratio)
TypeIPS LCD, 144Hz, HDR10, 500 nits (typ), 650 nits (peak)AMOLED, 120Hz, HDR10+, 500 nits (typ)
Platform
CPUOcta-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)Octa-core (4x2.6 GHz Cortex-A77 & 4x2.0 GHz Cortex-A55)
ChipsetQualcomm SM8250 Snapdragon 865 5G (7 nm+)Mediatek Dimensity 1000+ (7 nm)
GPUAdreno 650Mali-G77 MC9
OSAndroid 10, MIUI 12Android 10, MIUI 12
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
 UFS 3.1UFS
Main Camera
FeaturesLED flash, HDR, panoramaDual-LED dual-tone flash, HDR, panorama
Quad-64 MP, f/1.9, 26mm (wide), 1/1.73", 0.8µm, PDAF 13 MP, f/2.4, 119˚ (ultrawide), 1.12µm 5 MP, f/2.2, 50mm (telephoto macro), AF Auxiliary lens
Single-8 MP, AF
Triple64 MP, f/1.9, 26mm (wide), 1/1.73", 0.8µm, PDAF 13 MP, f/2.4, 123˚ (ultrawide), 1.12µm 5 MP (macro), AF-
Video8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps; gyro-EIS4K@30fps, 1080p@30/60/120/240/960fps; gyro-EIS
Selfie camera
FeaturesHDRHDR
Single20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µmMotorized pop-up 20 MP, (wide)
Video1080p@30fps, 720p@120fps1080p@30fps, 720p@120fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 24-bit/192kHz audio24-bit/192kHz audio
Comms
Bluetooth5.1, A2DP, LE5.1, A2DP, LE, aptX HD
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavICGPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging33W wired, PD3.0, QC433W wired, PD, QC4, 100% in 58 min
Talk time-Up to 11 h 30 min (multimedia)
TypeLi-Po 5000 mAhLi-Po 4500 mAh
Misc
ColorsCosmic Black, Lunar SilverMoonlight White, Midnight Black, Mint Green
ModelsM2007J3SCM2006J10C
PriceAbout 330 EURAbout 250 EUR

Xiaomi Redmi K30S

  • Proven Snapdragon 865 chipset
  • Excellent gaming performance
  • Slightly more compact design
  • Reliable performance

  • Slower charging compared to K30 Ultra
  • Less versatile camera system
  • 48MP primary sensor

Xiaomi Redmi K30 Ultra

  • Faster charging (58 min full charge)
  • More versatile camera system with 64MP primary
  • Slightly better CPU performance
  • Higher resolution display

  • Dimensity 1000+ chipset may not be as widely supported
  • Slightly larger size

Display Comparison

Both phones feature a 6.67-inch AMOLED display with a 120Hz refresh rate, offering vibrant colors and smooth scrolling. The K30 Ultra has a slightly higher resolution (2400 x 1080 vs 2340 x 1080 on the K30S), resulting in marginally sharper visuals, though the difference is subtle. Both have a punch-hole front camera.

Camera Comparison

The K30 Ultra boasts a more versatile camera system. It features a 64MP primary sensor (vs 48MP on the K30S), an 8MP ultrawide, and a 5MP macro lens. The K30S has a 48MP primary, an 8MP ultrawide, and a 2MP depth sensor. The K30 Ultra generally captures more detailed photos, especially in good lighting. Both offer decent video recording capabilities.

Performance

The K30 Ultra's Dimensity 1000+ generally offers slightly better CPU performance, especially in multi-core tasks. The K30S's Snapdragon 865 is still incredibly capable and excels in GPU performance, making it a strong choice for demanding games. Both handle everyday tasks with ease.

Battery Life

Both phones have a 4700mAh battery. However, the K30 Ultra's 33W charging with PD, QC4 support and a claimed 58-minute full charge gives it a significant advantage over the K30S's 33W charging.

Buying Guide

The Xiaomi Redmi K30S is ideal for users prioritizing a proven Snapdragon chipset, reliable performance for gaming and everyday tasks, and a slightly more compact design. The Xiaomi Redmi K30 Ultra is a better choice for those seeking faster charging, a more versatile camera system with a higher resolution main sensor, and a slightly larger display.

Frequently Asked Questions

❓ Is the Snapdragon 865 still a good chipset in 2024?
Yes, the Snapdragon 865 remains a very capable chipset, offering excellent performance for most users and handling demanding games with ease. While newer chipsets are available, the 865 still provides a premium experience.
❓ Which phone has better battery life?
While both have a 4700mAh battery, the Redmi K30 Ultra's faster charging speeds make it more convenient for topping up the battery quickly. Real-world battery life will be similar between the two.