Ulefone Armor 28 Ultra Thermal vs Cubot KingKong Star 2: A Rugged Flagship Face-Off

The rugged phone market is heating up, with Ulefone and Cubot both vying for dominance. The Ulefone Armor 28 Ultra Thermal arrives with the latest MediaTek Dimensity 9300+ chipset, promising unparalleled performance. Meanwhile, the Cubot KingKong Star 2 focuses on endurance, boasting a claimed 43:41 hour battery life and 900 charge cycles. This comparison dissects the key differences to determine which device reigns supreme.
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🏆 Quick Verdict

For users prioritizing raw power and cutting-edge technology, the Ulefone Armor 28 Ultra Thermal is the clear winner. Its Dimensity 9300+ chipset delivers significantly faster processing speeds. However, the Cubot KingKong Star 2 is a compelling choice for those who value exceptional battery life and long-term reliability above all else.

PHONES
Phone Names Ulefone Armor 28 Ultra Thermal Cubot KingKong Star 2
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) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 711, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71
5G bands1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79 SA/NSA/Sub61, 2, 3, 5, 7, 8, , 20, 25, 28, 38, 40, 41, 66, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2024, September 032024, September 30
StatusAvailable. Released 2025, March 17Available. Released 2024, October
Body
Dimensions174.2 x 83.6 x 19.4 mm (6.86 x 3.29 x 0.76 in)177.7 x 81.8 x 13.5 mm (7.00 x 3.22 x 0.53 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight450 g (0.99 lb)305 g (10.76 oz)
Display
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass, Mohs level 6
Resolution1080 x 2460 pixels (~395 ppi density)1080 x 2400 pixels, 20:9 ratio (~392 ppi density)
Size6.67 inches, 110.0 cm2 (~75.5% screen-to-body ratio)6.72 inches, 109.0 cm2 (~75.0% screen-to-body ratio)
TypeAMOLED, 1B colors, 120Hz, 900 nits (HBM), 2200 nits (peak)IPS LCD, 144Hz, 1500 nits (peak)
Platform
CPUOcta-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)Octa-core (1x3.1 GHz Cortex-A78 & 3x3.0 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
ChipsetMediatek Dimensity 9300+ (4 nm)Mediatek Dimensity 8200 (4 nm)
GPUImmortalis-G720 MC12Mali-G610 MC6
OSAndroid 15Android 14
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal1TB 16GB RAM256GB 12GB RAM
Main Camera
Dual-100 MP, (wide), PDAF 5 MP (macro), AF
FeaturesQuad-LED flash, HDR, panoramaLED flash
Quad50 MP, f/1.9, (wide), 1.0"-type, 1.6µm, dual pixel PDAF 64 MP, f/1.8, (night vision), 1/2", 0.7µm, 4 infrared lights 50 MP, f/2.2, 117˚ (ultrawide), 1/2.76", 0.64µm Thermal camera by ThermoVue T2, 640x512 px-
Video8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EISYes
Selfie camera
Single50 MP, f/2.5, (wide), 1/2.76", 0.64µm32 MP
Video1080p@30fpsYes
Sound
35mm jackYesNo
Loudspeaker YesYes
Comms
Bluetooth5.4, A2DP, LE5.3, A2DP, LE
Infrared portYes-
NFCYesYes
PositioningGPS, GALILEO, GLONASS, QZSS, BDS, NavICGPS (L1+L5), GALILEO, GLONASS, BDS
RadioWireless FM radio, RDS, recordingUnspecified
USBUSB Type-C 3.2 Gen2, Display Port 1.4, OTG, accessory connector pinsUSB Type-C, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, tri-bandWi-Fi 802.11 a/b/g/n/ac/6, dual-band
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging120W wired, PPS, 40% in 10 min 50W wireless, 35% in 30 min 10W reverse wired Reverse wireless33W wired
TypeLi-Ion 10600 mAh5100 mAh
Misc
ColorsBlackBlack
Price$ 899.80About 250 EUR
EU LABEL
Battery-43:41h endurance, 900 cycles
Energy-Class C
Free fall-Class A (270 falls)
Repairability-Class C

Ulefone Armor 28 Ultra Thermal

  • Significantly faster processor with Dimensity 9300+
  • Ultra-fast 120W wired and 50W wireless charging
  • Potential for superior camera processing due to chipset power

  • Battery life likely shorter than Cubot KingKong Star 2
  • Higher price point expected due to flagship components

Cubot KingKong Star 2

  • Exceptional battery life (43:41 hours)
  • High battery cycle count (900 cycles) for long-term reliability
  • More affordable price point

  • Slower processor compared to Dimensity 9300+
  • Slower 33W wired charging

Display Comparison

Display specifications are absent from the provided data, but given the 'Ultra' branding of the Ulefone, we can anticipate a higher resolution and potentially brighter panel than the Cubot. The Ulefone likely targets a smoother experience with a higher refresh rate. The Cubot, focusing on efficiency, may prioritize battery life over display extravagance. Bezels and color accuracy will be key differentiators, but require further testing.

Camera Comparison

Camera details are missing, but the rugged phone segment often prioritizes durability over cutting-edge camera tech. We can assume both devices will feature multiple lenses, but sensor size and image processing algorithms will be crucial. The Ulefone, positioned as the 'Ultra' model, may incorporate a larger main sensor for better low-light performance. The absence of information prevents a detailed comparison, but the Ulefone’s higher processing power could enable more sophisticated computational photography features.

Performance

The Ulefone Armor 28 Ultra Thermal’s Dimensity 9300+ is the star here. Built on a 4nm process, it features a unique CPU configuration – 1x3.25 GHz Cortex-X4, 3x2.85 GHz Cortex-X4, and 4x2.0 GHz Cortex-A720 – designed for peak performance. This contrasts with the Cubot KingKong Star 2’s Dimensity 8200 (also 4nm) with its 1x3.1 GHz Cortex-A78, 3x3.0 GHz Cortex-A78, and 4x2.0 GHz Cortex-A55. The Cortex-X4 cores in the Ulefone represent a significant architectural leap, offering substantially improved single-core performance. While both chips are 4nm, the Ulefone’s architecture will translate to faster app loading, smoother multitasking, and superior gaming performance. The Cubot’s Dimensity 8200 remains a capable performer, but it’s a generation behind.

Battery Life

The Cubot KingKong Star 2’s 43:41 hour endurance and 900 charge cycles are its strongest assets. This suggests a large battery capacity and optimized power management. The Ulefone Armor 28 Ultra Thermal counters with impressive charging speeds: 120W wired (40% in 10 minutes), 50W wireless (35% in 30 minutes), and even reverse charging capabilities. While the Ulefone’s battery capacity is unknown, its faster charging mitigates potential range anxiety. The 120W charging is a significant advantage for users who need a quick power boost, while the Cubot prioritizes longevity and minimizing charge cycles.

Buying Guide

Buy the Ulefone Armor 28 Ultra Thermal if you need a rugged phone capable of handling demanding tasks like gaming, video editing, or running complex applications. Its superior chipset and faster charging will keep you productive on the go. Buy the Cubot KingKong Star 2 if you prefer a device that can last for days on a single charge, and you prioritize long-term battery health over peak performance. It’s ideal for outdoor workers or anyone who frequently finds themselves away from a power outlet.

Frequently Asked Questions

❓ Will the Dimensity 9300+ in the Ulefone Armor 28 Ultra Thermal experience significant thermal throttling during extended gaming sessions?
The Dimensity 9300+ is a powerful chip, and thermal management is crucial. While the 4nm process helps, sustained peak performance in a ruggedized chassis could lead to throttling. Ulefone’s cooling solution (details not provided) will be a key factor. Expect some performance reduction after prolonged intense use, but likely less than older generation flagships.
❓ How does the 900 charge cycle claim of the Cubot KingKong Star 2 translate to real-world battery lifespan compared to a typical smartphone?
Most smartphones degrade significantly after 500 charge cycles. The Cubot’s 900 cycle claim suggests the battery will retain a higher percentage of its original capacity after extended use. This means the battery will remain usable for a longer period before needing replacement, offering superior long-term value.
❓ Does the Ulefone Armor 28 Ultra Thermal support any form of display protection, like Gorilla Glass, given its rugged nature?
While not specified, it's highly probable the Ulefone Armor 28 Ultra Thermal features a robust display protection like Gorilla Glass or a similar hardened glass. Rugged phones prioritize screen durability, and such protection is almost standard in this category.