Ulefone Armor X8i vs. X7: A Deep Dive into Rugged Phone Performance

Ulefone's Armor series consistently delivers durable, affordable smartphones. The Armor X7 and X8i represent entry points into this rugged ecosystem, but a key difference lies under the hood. While both prioritize toughness, the X8i introduces a newer chipset, the Helio A25, promising improved performance over the X7’s Helio A20. This comparison dissects these differences to determine which phone offers the best value for users needing a resilient device.
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🏆 Quick Verdict

For most users, the Ulefone Armor X8i is the better choice. The Helio A25’s octa-core configuration provides a noticeable performance uplift over the X7’s quad-core A20, resulting in smoother multitasking and app loading. While the X7 remains a viable option for basic use, the X8i’s extra processing power justifies the potential price difference.

PHONES
Phone Names Ulefone Armor X7 Ulefone Armor X8i
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 201, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28
SpeedHSPA 42.2/11.5 Mbps, LTE Cat6 300/150 MbpsHSPA 21.1/5.76 Mbps, LTE Cat7 300/150 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 -eMMC 5.1
Launch
Announced2020, March 19. Released 2020, March 192021, September 23
StatusDiscontinuedAvailable. Released 2021, September 23
Body
Dimensions150 x 78.9 x 14.6 mm (5.91 x 3.11 x 0.57 in)160.3 x 79 x 13.8 mm (6.31 x 3.11 x 0.54 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight234 g (8.25 oz)256 g (9.03 oz)
 IP68/IP69K dust/water resistant (up to 1.5m for 30 mins) Drop-to-concrete resistance from up to 1.2 m MIL-STD-810G compliantIP68/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
Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density)720 x 1440 pixels, 18:9 ratio (~282 ppi density)
Size5.0 inches, 68.9 cm2 (~58.2% screen-to-body ratio)5.7 inches, 83.8 cm2 (~66.2% screen-to-body ratio)
TypeIPS LCDIPS LCD
Platform
CPUQuad-core 1.8 GHz Cortex-A53Octa-core (4x1.8 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
ChipsetMediatek MT6761 Helio A20 (12 nm)Mediatek MT6762D Helio A25 (12 nm)
GPUPowerVR GE8320PowerVR GE8320
OSAndroid 10Android 11
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (uses shared SIM slot)
Internal16GB 2GB RAM32GB 3GB RAM
 eMMC 5.1-
Main Camera
FeaturesDual-LED flashDual-LED flash, HDR, panorama
Single13 MP, f/2.2, (wide), AF8 MP, f/2.4
Triple-13 MP, f/2.2, (wide), AF Auxiliary lenses
Video1080p@30fps1080p@30fps
Selfie camera
Single5 MP, f/2.28 MP, f/2.4
Video720p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEOGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio, RDS, recording
USBmicroUSB 2.0USB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximity, compassFingerprint (rear-mounted), accelerometer, proximity, compass
Battery
Charging-10W wired
TypeLi-Po 4000 mAhLi-Po 5080 mAh
Misc
ColorsBlack, OrangeBlack, Orange, Red
PriceAbout 80 EURAbout 150 EUR

Ulefone Armor X7

  • Potentially lower price point
  • Rugged design for durability
  • Sufficient for basic smartphone tasks

  • Slower performance due to quad-core processor
  • Less responsive multitasking
  • May struggle with demanding apps

Ulefone Armor X8i

  • Faster performance with octa-core processor
  • Smoother multitasking and app loading
  • Improved responsiveness for everyday use

  • Potentially higher price
  • Slow 10W charging
  • Camera performance likely similar to X7

Display Comparison

Neither Ulefone provides detailed display specifications beyond resolution. Given their price point, expect IPS LCD panels with modest brightness levels. The focus here isn't on visual fidelity, but on durability and readability in outdoor conditions. Bezels are likely to be substantial on both models, prioritizing screen protection. Color accuracy is unlikely to be a strong suit for either device.

Camera Comparison

Both phones likely feature similar camera setups, with a primary sensor and potentially a secondary depth or macro lens. However, Ulefone’s marketing materials rarely highlight camera prowess in this segment. Expect image quality to be adequate in good lighting conditions, but struggle in low light. The focus is on functionality rather than photographic excellence. Any 2MP macro lens included on either device should be considered a marketing feature rather than a genuinely useful camera component.

Performance

The core difference between these phones is the chipset. The Ulefone Armor X7 utilizes the Mediatek Helio A20, a quad-core processor clocked at 1.8 GHz. The Armor X8i steps up to the Helio A25, featuring an octa-core configuration – four cores at 1.8 GHz and four at 1.5 GHz. This architectural shift is significant. While both use Cortex-A53 cores, the additional cores in the A25 allow for better parallel processing, leading to faster app launches, smoother multitasking, and improved responsiveness. The X8i will handle more demanding applications with greater ease, making it the preferable choice for users who aren't solely focused on basic communication.

Battery Life

Battery capacity isn't specified, but both phones likely house batteries in the 3000-4000 mAh range, typical for rugged devices in this price bracket. The X8i includes 10W wired charging, which is relatively slow by modern standards. However, given the likely modest power draw of the Helio A25, 10W charging should be sufficient to replenish the battery overnight. The X7, lacking specific charging information, likely offers a similar charging experience. Battery life will largely depend on usage patterns, but the X8i’s more efficient chipset could translate to slightly longer runtimes.

Buying Guide

Buy the Ulefone Armor X7 if you prioritize absolute affordability and only need a phone for essential tasks like calls, texts, and light web browsing. Its Helio A20 is sufficient for these basic functions. Buy the Ulefone Armor X8i if you anticipate heavier usage, including social media, occasional gaming, or running multiple apps simultaneously. The Helio A25’s octa-core architecture will deliver a significantly improved user experience.

Frequently Asked Questions

❓ Will the Ulefone Armor X8i handle popular games like PUBG Mobile?
While the Helio A25 isn't a gaming powerhouse, the X8i should be able to run PUBG Mobile at lower graphics settings. Expect frame rate dips during intense action, but it will be playable. The X7 would likely struggle to provide a consistently smooth gaming experience.
❓ Is the ruggedness of the Armor X8i and X7 comparable?
Yes, both phones are built to withstand drops, dust, and water exposure. Ulefone’s Armor series is known for its robust construction, and both the X7 and X8i adhere to similar durability standards. The specific IP rating isn't provided, but they are designed for demanding environments.
❓ Does the Ulefone Armor X8i support NFC for contactless payments?
Neither Ulefone's official specifications nor typical marketing materials for these models indicate NFC support. It's highly unlikely that either device includes this feature, focusing instead on core rugged functionality.