Doogee S51 vs Blackview BV9900E: A Deep Dive into Rugged Smartphone Performance

The rugged smartphone market caters to a specific user – those needing durability and reliability in challenging environments. Both the Doogee S51 and Blackview BV9900E aim to deliver this, but they approach it with different levels of processing power and feature sets. This comparison dissects their core components to determine which phone offers the best value for demanding users.
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🏆 Quick Verdict

For the average user prioritizing affordability and basic functionality, the Doogee S51 provides a capable entry point into the rugged phone world. However, the Blackview BV9900E emerges as the superior choice for those needing more processing power for demanding tasks and appreciate the convenience of wireless charging.

PHONES
Phone Names Doogee S51 Blackview BV9900E
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, 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 / CDMA / HSPA / LTEGSM / CDMA / HSPA / CDMA2000 / LTE
Launch
Announced2022, September2020, September 10. Released 2020, September
StatusAvailable. Released 2022, SeptemberDiscontinued
Body
Dimensions167.4 x 81.4 x 14.6 mm (6.59 x 3.20 x 0.57 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
Weight-273 g (9.63 oz)
Display
ProtectionCorning Gorilla GlassCorning Gorilla Glass 5
Resolution720 x 1440 pixels, 18:9 ratio (~268 ppi density)1080 x 2280 pixels, 19:9 ratio (~432 ppi density)
Size6.0 inches, 92.9 cm2 (~68.2% screen-to-body ratio)5.84 inches, 85.1 cm2 (~69.5% screen-to-body ratio)
TypeIPS LCDIPS LCD
Platform
CPUOcta-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)
ChipsetMediatek Helio G25 (12 nm)Mediatek MT6779V/CE Helio P90 (12 nm)
GPUPowerVR GE8320PowerVR GM9446
OSAndroid 12Android 10
Memory
Card slotmicroSDXC (dedicated slot)microSDXC
Internal64GB 4GB RAM128GB 6GB RAM
Main Camera
Dual12 MP, f/1.8, (wide), PDAF Auxiliary lens-
FeaturesQuad-LED flashLED flash, HDR, panorama
Quad-48 MP, f/1.8, (wide), PDAF 16 MP, 120˚ (ultrawide) 2 MP (macro) Auxiliary lens
Video1080p4K@30fps, 1080p@60fps
Selfie camera
Single8 MP, f/2.0, (wide)16 MP, f/2.0, (wide)
Video1080p1080p@30fps
Sound
35mm jackYesNo
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio
USBUSB Type-C 2.0, OTGUSB 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
SensorsAccelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Battery
Charging10W wired15W wired 18W wireless
Type5180 mAh4380 mAh
Misc
ColorsBlack, Green, OrangeBlack, Silver
Price-About 260 EUR

Doogee S51

  • Most affordable option for a rugged phone.
  • Durable build quality for basic protection.
  • Sufficient for essential smartphone tasks.

  • Limited processing power for demanding apps.
  • Slow 10W charging.
  • Likely a basic display panel.

Blackview BV9900E

  • Significantly faster Helio P90 processor.
  • 15W wired and 18W wireless charging.
  • Potentially better camera performance.

  • Higher price point.
  • May be slightly bulkier due to larger battery/charging components.
  • Performance may still not match flagship smartphones.

Display Comparison

Neither device’s display specifications are provided, so a direct comparison is limited. However, given the S51’s positioning, it likely features a standard LCD panel. The BV9900E, being a higher-tier device, may incorporate a more advanced panel with better color accuracy and viewing angles. The absence of details like resolution or refresh rate suggests both prioritize durability over display fidelity, focusing on visibility in bright sunlight rather than cinematic quality.

Camera Comparison

Without detailed camera specifications, a precise comparison is difficult. However, the BV9900E’s higher-end chipset suggests a more capable image signal processor (ISP), potentially resulting in better image quality, especially in low-light conditions. While both phones likely feature multiple rear cameras, the BV9900E is more likely to include features like optical image stabilization (OIS) and more sophisticated image processing algorithms. The S51 likely relies on software enhancements to compensate for a less powerful ISP.

Performance

The Blackview BV9900E’s Helio P90 chipset represents a significant leap in performance over the Doogee S51’s Helio G25. The P90 utilizes a dual-core Cortex-A75 configuration alongside six Cortex-A55 cores, offering substantially improved single-core and multi-core performance compared to the S51’s quad-core Cortex-A53 setup. This translates to faster app loading times, smoother multitasking, and a more responsive user experience on the BV9900E. The P90’s architecture is also more efficient, potentially leading to better sustained performance under load. The G25 is adequate for basic tasks, but will struggle with demanding applications.

Battery Life

While battery capacity isn’t specified, the charging capabilities reveal a key difference. The Blackview BV9900E supports both 15W wired and 18W wireless charging, offering significantly more flexibility and convenience than the Doogee S51’s 10W wired charging. Wireless charging is a premium feature, indicating a higher-quality battery management system in the BV9900E. Even with similar battery capacities, the faster charging speeds of the BV9900E will result in significantly shorter charging times, minimizing downtime.

Buying Guide

Buy the Doogee S51 if you need a highly affordable, durable phone for essential communication and light tasks like navigation or basic photography. It’s ideal for construction workers or outdoor enthusiasts on a tight budget. Buy the Blackview BV9900E if you prioritize performance for gaming, multitasking, or running specialized apps, and if the added convenience of 15W wired and 18W wireless charging is important to you. This phone suits professionals who rely on their phone for work in the field.

Frequently Asked Questions

❓ Is the Helio P90 in the Blackview BV9900E powerful enough for gaming?
The Helio P90 is a capable mid-range chipset that can handle most mobile games at medium to high settings. While it won't match the performance of flagship processors, it provides a significantly better gaming experience than the Helio G25 in the Doogee S51, allowing for smoother gameplay and reduced lag.
❓ How much faster is the charging on the Blackview BV9900E compared to the Doogee S51?
The Blackview BV9900E’s 15W wired charging and 18W wireless charging are substantially faster than the Doogee S51’s 10W wired charging. Expect a significantly reduced charging time with the BV9900E, potentially cutting the 0-100% charge time by 30-50% depending on battery capacity.
❓ Will the Doogee S51 struggle with running multiple apps simultaneously?
The Doogee S51’s Helio G25 chipset and limited RAM (spec not provided, but likely 3-4GB) may result in noticeable slowdowns when multitasking with several apps open. Switching between apps may be sluggish, and demanding apps may need to be reloaded frequently.
❓ Are both phones certified to a specific ruggedness standard (e.g., IP68, MIL-STD-810G)?
While the context data doesn't specify certifications, both phones are marketed as 'rugged'. It's crucial to verify the specific IP and MIL-STD ratings on the manufacturer's website before purchasing to understand the level of protection against dust, water, and drops.