Ulefone RugKing vs Blackview BV9900E: A Deep Dive into Rugged Smartphone Performance

The rugged smartphone market caters to a specific need: durability. Both the Ulefone RugKing and Blackview BV9900E aim to deliver on that promise, but they take different approaches to performance and features. The RugKing prioritizes exceptional battery endurance with a newer Unisoc chipset, while the BV9900E leverages a slightly older, but more powerful, MediaTek Helio P90 and adds the convenience of wireless charging. This comparison will dissect their strengths and weaknesses to determine which phone best suits your needs.
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🏆 Quick Verdict

For the average user prioritizing longevity and consistent performance, the Ulefone RugKing emerges as the winner. Its superior battery endurance (106:26h) and efficient Unisoc T7255 chipset provide a more reliable experience, especially for extended outdoor use. While the Blackview BV9900E offers wireless charging and a marginally faster CPU, the RugKing’s battery life is a more critical advantage in this category.

PHONES
Phone Names Ulefone RugKing Blackview BV9900E
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 661, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / CDMA / HSPA / CDMA2000 / LTE
Launch
Announced2025, August2020, September 10. Released 2020, September
StatusAvailable. Released 2025, September 15Discontinued
Body
Dimensions173.4 x 83.4 x 18.3 mm (6.83 x 3.28 x 0.72 in)156.5 x 78.3 x 14.2 mm (6.16 x 3.08 x 0.56 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight397 g (14.00 oz)273 g (9.63 oz)
Display
ProtectionCorning Gorilla Glass 3, Mohs level 4Corning Gorilla Glass 5
Resolution720 x 1440 pixels, 18:9 ratio (~269 ppi density)1080 x 2280 pixels, 19:9 ratio (~432 ppi density)
Size5.99 inches, 92.6 cm2 (~64.0% screen-to-body ratio)5.84 inches, 85.1 cm2 (~69.5% screen-to-body ratio)
TypeIPS LCD, 60Hz, 910 nits (peak)IPS LCD
Platform
CPUOcta-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)
ChipsetUnisoc T7255 (12 nm)Mediatek MT6779V/CE Helio P90 (12 nm)
GPUMali-G57PowerVR GM9446
OSAndroid 15Android 10
Memory
Card slotmicroSDXC (dedicated slot)microSDXC
Internal256GB 8GB RAM128GB 6GB RAM
Main Camera
Dual50 MP, f/1.8, (wide), 1/2.76", 0.64µm, PDAF 2 MP (macro)-
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Quad-48 MP, f/1.8, (wide), PDAF 16 MP, 120˚ (ultrawide) 2 MP (macro) Auxiliary lens
Video1080p@30fps4K@30fps, 1080p@60fps
Selfie camera
Single8 MP, f/2.0, (wide), 1/4.0", 1.12µm16 MP, f/2.0, (wide)
Video1080p@30fps1080p@30fps
Sound
35mm jackYesNo
Loudspeaker Yes (126dB)Yes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS, GALILEO, GLONASS, QZSS, BDSGPS, GLONASS, GALILEO, BDS
RadioWireless FM radio, RDS, recordingFM radio
USBUSB Type-C 2.0, OTG, accessory connector pinsUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Battery
Charging18W wired 5W reverse wired15W wired 18W wireless
Type9600 mAh4380 mAh
Misc
ColorsBlackBlack, Silver
PriceAbout 170 EURAbout 260 EUR
EU LABEL
Battery106:26h endurance, 1000 cycles-
EnergyClass A-
Free fallClass A (270 falls)-
RepairabilityClass C-

Ulefone RugKing

  • Exceptional battery life (106:26h endurance)
  • Modern and efficient Unisoc T7255 chipset
  • 1000 charge cycle battery rating for longevity

  • Potentially less powerful CPU than the BV9900E
  • Lacks wireless charging

Blackview BV9900E

  • Faster CPU clock speeds (Helio P90)
  • Convenient 18W wireless charging
  • Reverse wired charging

  • Significantly shorter battery life compared to RugKing
  • Older chipset architecture

Display Comparison

Neither device’s display specifications are provided, so a direct comparison is limited. However, given the price point and rugged focus, we can assume both utilize IPS LCD panels. The BV9900E’s inclusion of wireless charging suggests a glass or plastic back, potentially allowing for a slightly more vibrant display than the RugKing, which may prioritize a more robust, textured back for grip. Bezels are likely to be substantial on both to contribute to drop protection.

Camera Comparison

Without detailed camera specifications, a comprehensive comparison is impossible. However, the rugged phone segment often prioritizes durability over camera quality. Both devices likely feature a multi-camera setup, but image processing and sensor size will be key differentiators. We can assume both will include a standard, wide, and potentially a macro lens, though the usefulness of a 2MP macro lens is questionable on both devices. The absence of OIS information suggests neither phone excels in low-light photography.

Performance

The Blackview BV9900E’s MediaTek Helio P90 (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55) holds a slight clock speed advantage over the Ulefone RugKing’s Unisoc T7255 (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55). Both chipsets are built on a 12nm process, but the P90’s higher clock speeds suggest a marginal performance edge in CPU-intensive tasks. However, the Unisoc T7255 is a newer architecture, potentially offering better power efficiency and sustained performance under load. The RugKing’s efficiency is further bolstered by its focus on endurance, suggesting software optimizations to complement the chipset.

Battery Life

This is where the Ulefone RugKing truly shines. Its reported 106:26h endurance significantly surpasses what we’d expect from a phone with a comparable battery capacity to the BV9900E (capacity not specified). The RugKing’s Unisoc T7255 chipset is clearly more power-efficient. While the BV9900E offers 15W wired and 18W wireless charging, the RugKing counters with 18W wired and 5W reverse wired charging. The RugKing’s 1000 charge cycle rating also suggests a longer lifespan for the battery itself, a crucial factor for long-term durability.

Buying Guide

Buy the Ulefone RugKing if you need a phone that can genuinely last for days on a single charge, and you value a modern chipset optimized for efficiency. This is ideal for travelers, construction workers, or anyone frequently away from power outlets. Buy the Blackview BV9900E if you prefer the convenience of wireless charging and prioritize slightly faster processing speeds for demanding applications, accepting a trade-off in overall battery life. This phone is better suited for users who have regular access to charging and occasionally engage in more intensive tasks.

Frequently Asked Questions

❓ Does the Helio P90 in the Blackview BV9900E get noticeably hot during extended gaming sessions?
The Helio P90 is known to generate more heat under sustained load compared to newer, more efficient chipsets. While the BV9900E’s rugged design may offer some passive cooling, users should expect some thermal throttling during prolonged gaming, potentially impacting performance. The Ulefone RugKing’s Unisoc T7255 is likely to maintain cooler temperatures and more consistent performance.
❓ How does the 5W reverse wired charging on the Ulefone RugKing compare to the 15W wired charging on the Blackview BV9900E for topping up accessories?
The Ulefone RugKing’s 5W reverse wired charging is primarily intended for emergencies, offering a very slow charge for small accessories like earbuds or a smartwatch. The Blackview BV9900E’s 15W wired charging is significantly faster and more practical for quickly topping up accessories, though it won’t be as rapid as charging from a dedicated wall adapter.
❓ Given the lack of detailed camera specs, is either phone a good choice for serious photography?
Neither the Ulefone RugKing nor the Blackview BV9900E are designed for serious photography. Rugged phones prioritize durability over camera capabilities. While both likely offer acceptable image quality in good lighting conditions, expect limited performance in low-light scenarios and a lack of advanced features like optical image stabilization.