Oukitel WP55 Ultra vs Ulefone Armor 9E: A Deep Dive into Rugged Smartphone Performance

The rugged smartphone market caters to a specific need: durability. Both the Oukitel WP55 Ultra and Ulefone Armor 9E aim to deliver that, but they diverge significantly in their internal hardware. This comparison focuses on how those differences – particularly the chipset and battery endurance – translate into real-world performance for users who demand a phone that can withstand harsh conditions.
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🏆 Quick Verdict

For the average user prioritizing performance and longevity, the Oukitel WP55 Ultra emerges as the stronger choice. Its Dimensity 7025 chipset offers a substantial performance leap over the Ulefone Armor 9E’s Helio P90, coupled with significantly better battery endurance, making it ideal for demanding tasks and extended outdoor use.

PHONES
Phone Names Oukitel WP55 Ultra Ulefone Armor 9E
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 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
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 34, 38, 39, 40, 41, 48, 66, 71, 77, 78 SA/NSA-
SpeedHSPA, LTE, 5GHSPA 42.2/11.5 Mbps, LTE Cat12 600/150 Mbps
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE
 -CDMA2000 1xEV-DO
Launch
Announced2025, May2020, September 08. Released 2020, September 08
StatusAvailable. Released 2025, MayDiscontinued
Body
Build-Front glass, aluminum back with rubber, aluminum frame
Dimensions172.2 x 81 x 15.3 mm (6.78 x 3.19 x 0.60 in)168.2 x 82 x 15 mm (6.62 x 3.23 x 0.59 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight367.6 g (12.98 oz)324 g (11.43 oz)
 -IP68/IP69K dust/water resistant (up to 1.5m for 30 min) Drop-to-concrete resistance from up to 1.2m MIL-STD-810G compliant
Display
ProtectionCorning Gorilla Glass 5, Mohs level 5Scratch-resistant glass, oleophobic coating
Resolution1080 x 2408 pixels, 20:9 ratio (~400 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size6.6 inches, 104.9 cm2 (~75.2% screen-to-body ratio)6.3 inches, 97.4 cm2 (~70.6% screen-to-body ratio)
TypeIPS LCD, 120Hz, 450 nitsIPS LCD
Platform
CPUOcta-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)Octa-core (2x2.2 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55)
ChipsetMediatek Dimensity 7025 (6 nm)Mediatek MT6779 Helio P90 (12 nm)
GPUIMG BXM-8-256PowerVR GM9446
OSAndroid 15Android 10
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (uses shared SIM slot)
Internal512GB 16GB RAM128GB 8GB RAM
 -UFS 2.1
Main Camera
FeaturesLED flash, HDR, panoramaQuad-LED flash, HDR, panorama
Quad-64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.4, 100˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Triple108 MP, f/2.2, (wide), 1/1.8", PDAF 8 MP, f/2.2, (night vision), 1/1.78", AF 5 MP, f/2.2, (thermal), 1/1.5"-
Video1440p@30fps4K@30fps, 1080p@30fps
Selfie camera
Features-HDR, panorama
Single32 MP, f/2.2, (wide), 1/2.74"8 MP, f/2.2
Video1440p@30fps1080p@30fps
Sound
3.5mm jack -Yes
35mm jackNoYes
Loudspeaker YesYes
Comms
Bluetooth5.2, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS (L1+L5), GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio, RDS, recording
USBUSB Type-C 2.0USB Type-C 2.0, OTG, accessory connector
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass, coulombmeter
 -Endoscope mount (camera sold separately)
Battery
Charging33W wired18W wired
TypeLi-Po 11000 mAhLi-Po 6600 mAh
Misc
ColorsBlack, Red, GrayBlack
Price-About 290 EUR
EU LABEL
Battery105:49h endurance, 1000 cycles-
EnergyClass B-
Free fallClass A (270 falls)-
RepairabilityClass C-

Oukitel WP55 Ultra

  • Significantly faster processor with the Dimensity 7025.
  • Exceptional battery life with 105:49h endurance.
  • Faster 33W charging.
  • Potentially better camera image processing.

  • Likely higher price point.
  • Rugged design may add bulk.

Ulefone Armor 9E

  • More affordable price.
  • Rugged design for durability.
  • Reliable performance for basic tasks.
  • Decent battery life for light usage.

  • Older and less efficient Helio P90 chipset.
  • Slower 18W charging.
  • Limited performance for demanding applications.

Display Comparison

Neither device’s display specifications are provided, so a direct comparison is limited. However, given the WP55 Ultra’s focus on modern internals, it’s reasonable to expect a higher resolution and potentially a higher refresh rate panel than the Armor 9E. The Armor 9E, utilizing the older Helio P90, likely features a more standard LCD panel. Users prioritizing visual clarity and smoothness will likely find the WP55 Ultra more appealing, assuming it incorporates newer display technology.

Camera Comparison

Without specific camera specs, a detailed comparison is difficult. However, the chipset difference suggests the WP55 Ultra will have a more capable image signal processor (ISP), leading to better image processing and potentially improved low-light performance. The Armor 9E’s older ISP will likely result in less detailed images and slower processing times. It’s safe to assume both phones will include a variety of camera sensors, but the WP55 Ultra’s processing power will likely be the deciding factor in overall image quality.

Performance

The core difference lies in the chipsets. The Oukitel WP55 Ultra’s Mediatek Dimensity 7025 (6nm) is a significant upgrade over the Ulefone Armor 9E’s Mediatek MT6779 Helio P90 (12nm). The Dimensity 7025’s newer architecture – featuring 2x2.5 GHz Cortex-A78 and 6x2.0 GHz Cortex-A55 cores – provides a substantial performance boost in both CPU and GPU tasks. The 6nm process node also translates to improved thermal efficiency, reducing throttling during sustained workloads. The Armor 9E’s Helio P90, while capable, is based on an older 12nm process and its Cortex-A75 cores are less efficient. This means the Armor 9E will likely struggle with demanding games or multitasking compared to the WP55 Ultra.

Battery Life

The Oukitel WP55 Ultra boasts a remarkable 105:49h endurance rating, a testament to its efficient chipset and optimized power management. While the Armor 9E’s battery capacity isn’t specified, its less efficient Helio P90 chipset will undoubtedly result in significantly shorter battery life. The WP55 Ultra also supports 33W wired charging, allowing for faster top-ups compared to the Armor 9E’s 18W charging. The 1000 charge cycles claim for the WP55 Ultra also suggests a longer lifespan for the battery itself, a crucial factor for long-term durability.

Buying Guide

Buy the Oukitel WP55 Ultra if you need a rugged phone capable of handling demanding applications like navigation, data logging, or extended media consumption. Its superior processing power and exceptional 105:49h battery endurance make it the better option for professionals and power users. Buy the Ulefone Armor 9E if you prioritize a lower price point and only require basic smartphone functionality – calls, texts, and light app usage – in a durable package. It’s a suitable choice for those needing a reliable, but not necessarily powerful, rugged device.

Frequently Asked Questions

❓ Will the Oukitel WP55 Ultra’s Dimensity 7025 handle demanding games like Genshin Impact at high settings?
The Dimensity 7025 is a capable mid-range chipset. While it won’t deliver flagship-level performance, it should be able to run Genshin Impact at medium to high settings with acceptable frame rates, especially considering the rugged phone form factor isn’t prioritizing extreme cooling. Expect some frame drops during intense scenes.
❓ How does the 6nm process of the Dimensity 7025 impact the Oukitel WP55 Ultra’s battery life compared to the 12nm Helio P90?
The 6nm process is significantly more power-efficient than the 12nm process used in the Helio P90. This means the Dimensity 7025 consumes less power for the same level of performance, directly contributing to the Oukitel WP55 Ultra’s impressive 105:49h endurance rating. The Armor 9E will drain its battery much faster under similar usage conditions.
❓ Is the 18W charging on the Ulefone Armor 9E sufficient for quick top-ups during a workday?
18W charging is relatively slow by today’s standards. While it will charge the device overnight, it won’t provide a significant boost in a short amount of time. Expect several hours to fully charge the device from 0%, making it less convenient for users who need a quick power boost during a busy day.
❓ Given the rugged nature of both phones, are there any concerns about thermal throttling during prolonged use?
Thermal throttling is a potential concern with any rugged phone due to the thicker chassis potentially hindering heat dissipation. However, the Oukitel WP55 Ultra’s more efficient Dimensity 7025 chipset generates less heat than the Ulefone Armor 9E’s Helio P90, making it less prone to throttling during sustained workloads.