Ulefone Armor 28 Ultra Thermal vs. Doogee V Max LR: A Deep Dive into Power and Endurance

The rugged phone market is heating up, with Ulefone and Doogee pushing boundaries. The Ulefone Armor 28 Ultra Thermal arrives with the flagship Mediatek Dimensity 9300+ chipset and integrated thermal imaging, while the Doogee V Max LR prioritizes exceptional battery life and a more conservative, yet still capable, Dimensity 7300. This comparison dissects which phone best suits your needs – raw performance or sustained usability.
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🏆 Quick Verdict

For users demanding peak performance and thermal imaging capabilities, the Ulefone Armor 28 Ultra Thermal is the clear winner. Its Dimensity 9300+ offers a substantial performance leap. However, the Doogee V Max LR excels in battery endurance and offers a compelling alternative for those prioritizing longevity over sheer speed.

PHONES
Phone Names Ulefone Armor 28 Ultra Thermal Doogee V Max LR
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, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
5G bands1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79 SA/NSA/Sub61, 3, 7, 28, 38, 41, 77, 78, 79 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
Launch
Announced2024, September 032025, September
StatusAvailable. Released 2025, March 17Available. Released 2025, October
Body
Dimensions174.2 x 83.6 x 19.4 mm (6.86 x 3.29 x 0.76 in)183.5 x 85.4 x 30.5 mm (7.22 x 3.36 x 1.20 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight450 g (0.99 lb)630 g (1.39 lb)
Display
ProtectionCorning Gorilla Glass VictusMohs level 6
Resolution1080 x 2460 pixels (~395 ppi density)1080 x 2460 pixels (~396 ppi density)
Size6.67 inches, 110.0 cm2 (~75.5% screen-to-body ratio)6.78 inches, 109.2 cm2 (~69.7% screen-to-body ratio)
TypeAMOLED, 1B colors, 120Hz, 900 nits (HBM), 2200 nits (peak)IPS LCD, 120Hz, 500 nits
Platform
CPUOcta-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
ChipsetMediatek Dimensity 9300+ (4 nm)Mediatek Dimensity 7300 (4 nm)
GPUImmortalis-G720 MC12Mali-G615 MC2
OSAndroid 15Android 15
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal1TB 16GB RAM512GB 16GB RAM
Main Camera
FeaturesQuad-LED flash, HDR, panoramaDual-LED flash, HDR, panorama
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-
Triple-200 MP, f/2.0, (wide), 1/1.3", PDAF 20 MP, f/1.8, (night vision), 2 infrared night vision lights 8 MP, f/2.2, 119˚ (ultrawide)
Video8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS4K@30fps, 1080p@30fps
Selfie camera
Single50 MP, f/2.5, (wide), 1/2.76", 0.64µm32 MP, f/2.3, (wide)
Video1080p@30fps1080p@30fps
Sound
35mm jackYesNo
Loudspeaker YesYes (130 dB)
Comms
Bluetooth5.4, A2DP, LE5.4, A2DP, LE
Infrared portYesYes
NFCYesYes
PositioningGPS, GALILEO, GLONASS, QZSS, BDS, NavICGPS (L1+L5), GLONASS, GALILEO, BDS
RadioWireless FM radio, RDS, recordingFM radio
USBUSB Type-C 3.2 Gen2, Display Port 1.4, OTG, accessory connector pinsUSB Type-C
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, tri-bandWi-Fi 802.11 a/b/g/n/ac/6e, 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 wireless45W wired 10W reverse wired
TypeLi-Ion 10600 mAh20500 mAh
Misc
ColorsBlackBlack, Tarnish
Price$ 899.80About 770 EUR
EU LABEL
Battery-192:26h endurance, 1100 cycles
Energy-Class B
Free fall-Class A (270 falls)
Repairability-Class C

Ulefone Armor 28 Ultra Thermal

  • Unmatched processing power with Dimensity 9300+
  • Integrated thermal imaging camera for specialized use cases
  • Ultra-fast 120W wired and 50W wireless charging

  • Likely shorter battery life due to the power-hungry chipset
  • Potentially higher price point

Doogee V Max LR

  • Exceptional battery life (192-26 hours)
  • Long-term battery health with 1100 charge cycles
  • Robust build quality and rugged design

  • Less powerful processor compared to the Ulefone
  • Slower charging speeds (45W wired)

Display Comparison

While both devices likely feature durable panels befitting their rugged nature, specific display details are absent. However, the focus here is on internal power. The Ulefone’s processing advantage will translate to smoother animations and faster app loading, regardless of display specs. We anticipate both will prioritize visibility in direct sunlight, a key requirement for outdoor use.

Camera Comparison

Without detailed camera specifications, a direct comparison is limited. However, the Ulefone’s inclusion of thermal imaging immediately sets it apart, catering to professionals in fields like building inspection or search and rescue. The Dimensity 9300+’s superior ISP (Image Signal Processor) will likely result in better image processing and low-light performance, assuming comparable sensor sizes. We can expect the Ulefone to offer more advanced computational photography features. The Doogee will likely focus on reliable image capture in various conditions, but won’t match the Ulefone’s specialized capabilities.

Performance

The Ulefone Armor 28 Ultra Thermal’s Mediatek Dimensity 9300+ is the star here. Its octa-core configuration, featuring a 3.25 GHz Cortex-X4 prime core, represents a significant generational leap over the Doogee V Max LR’s Dimensity 7300 (2.6 GHz Cortex-A78). The 9300+’s 4nm process node and advanced core architecture will deliver substantially higher CPU and GPU performance, making it ideal for demanding games and applications. The Doogee’s Dimensity 7300, while still capable, is geared towards efficiency and sustained performance rather than outright speed. The Ulefone’s LPDDR5x RAM (assumed, given the chipset) will further enhance responsiveness.

Battery Life

The Doogee V Max LR boasts impressive battery endurance, rated at 192-26 hours. While the Ulefone’s battery capacity is unspecified, the Dimensity 9300+’s power draw will likely necessitate a larger battery to achieve comparable longevity. The Doogee’s 45W wired charging is respectable, but the Ulefone’s 120W wired charging (40% in 10 minutes) and 50W wireless charging offer significantly faster replenishment. The Doogee’s 1100 charge cycles suggest a focus on long-term battery health, while the Ulefone prioritizes speed and convenience.

Buying Guide

Buy the Ulefone Armor 28 Ultra Thermal if you need uncompromising processing power for demanding tasks like gaming or video editing, and the added utility of a built-in thermal camera is essential. Buy the Doogee V Max LR if you prioritize all-day (and multi-day) battery life, value fast charging, and require a robust device without the flagship price tag. The V Max LR is ideal for field work, travel, or anyone who dislikes frequent charging.

Frequently Asked Questions

❓ Will the Ulefone Armor 28 Ultra Thermal’s Dimensity 9300+ overheat during extended gaming sessions?
The Dimensity 9300+ is a powerful chip, but Mediatek has focused on thermal efficiency with its 4nm process. The 'Ultra Thermal' in the name suggests Ulefone has implemented advanced cooling solutions. However, sustained peak performance will inevitably generate heat; throttling is possible, but likely minimized compared to older generation chips.
❓ How useful is the thermal camera on the Ulefone Armor 28 Ultra Thermal for everyday users?
While not essential for everyone, the thermal camera can be surprisingly useful for identifying energy leaks in homes, diagnosing electrical issues, or even locating objects in low-light conditions. It’s a niche feature, but one that sets the Ulefone apart and appeals to professionals or hobbyists.
❓ Does the Doogee V Max LR support 5G connectivity?
The Dimensity 7300 chipset inherently supports 5G connectivity. Therefore, the Doogee V Max LR is expected to support 5G networks, provided your carrier and region support them. Specific band compatibility should be verified with Doogee’s official specifications.
❓ What type of reverse charging does the Ulefone Armor 28 Ultra Thermal offer – is it useful for topping up accessories?
The Ulefone supports both reverse wired (10W) and reverse wireless charging. While 10W is relatively slow, it’s sufficient for topping up smaller accessories like earbuds or smartwatches in an emergency. The wireless reverse charging adds convenience, eliminating the need for cables.