Ulefone Armor 28 Ultra Thermal vs Doogee S100 Pro: A Deep Dive into Rugged Performance

The rugged smartphone market is heating up, with the Ulefone Armor 28 Ultra Thermal and Doogee S100 Pro representing distinct approaches. The Ulefone boasts a flagship-tier Mediatek Dimensity 9300+ chipset and integrated thermal imaging, while the Doogee S100 Pro aims for a more accessible price point with a Mediatek Helio G99. This comparison dissects their key differences to determine which device delivers the best value for demanding users.
Phones Images

🏆 Quick Verdict

For users prioritizing raw performance, especially for demanding tasks like gaming or content creation, the Ulefone Armor 28 Ultra Thermal is the clear winner. Its Dimensity 9300+ chipset offers a substantial leap in processing power and efficiency compared to the Doogee S100 Pro’s Helio G99. However, the Doogee S100 Pro provides a compelling option for budget-conscious buyers seeking a durable and reliable device.

PHONES
Phone Names Ulefone Armor 28 Ultra Thermal Doogee S100 Pro
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, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71
5G bands1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / CDMA / HSPA / LTE
Launch
Announced2024, September 032023, May 28
StatusAvailable. Released 2025, March 17Available. Released 2023, June 01
Body
Dimensions174.2 x 83.6 x 19.4 mm (6.86 x 3.29 x 0.76 in)178.5 x 83.1 x 27.3 mm (7.03 x 3.27 x 1.07 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight450 g (0.99 lb)-
Display
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 5
Resolution1080 x 2460 pixels (~395 ppi density)1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
Size6.67 inches, 110.0 cm2 (~75.5% screen-to-body ratio)6.58 inches, 104.3 cm2 (~70.3% screen-to-body ratio)
TypeAMOLED, 1B colors, 120Hz, 900 nits (HBM), 2200 nits (peak)IPS LCD
Platform
CPUOcta-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
ChipsetMediatek Dimensity 9300+ (4 nm)Mediatek Helio G99 (6 nm)
GPUImmortalis-G720 MC12Mali-G57 MC2
OSAndroid 15Android 12
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal1TB 16GB RAM256GB 12GB 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-108 MP, f/1.8, (wide), 1/1.52", 0.7µm, PDAF 20 MP, f/1.8, (night vision), 2 infrared night vision lights 16 MP, f/2.2, 130˚ (ultrawide)
Video8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS1440p, 1080p
Selfie camera
Single50 MP, f/2.5, (wide), 1/2.76", 0.64µm32 MP, f/2.0, (wide), 1/2.8", 0.8µm
Video1080p@30fps1440p, 1080p
Sound
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE5.0, A2DP, LE
Infrared portYes-
NFCYesYes (market/region dependent)
PositioningGPS, GALILEO, GLONASS, QZSS, BDS, NavICGPS (L1+L5), GLONASS, BDS, GALILEO
RadioWireless FM radio, RDS, recordingFM radio
USBUSB Type-C 3.2 Gen2, Display Port 1.4, OTG, accessory connector pinsUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, tri-bandWi-Fi 802.11 a/b/g/n/ac, 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 wireless33W wired
TypeLi-Ion 10600 mAh22000 mAh
Misc
ColorsBlackBlack, Black/Silver, Black/Gold
Price$ 899.80About 300 EUR

Ulefone Armor 28 Ultra Thermal

  • Exceptional performance with the Dimensity 9300+ chipset
  • Ultra-fast 120W wired and 50W wireless charging
  • Integrated thermal imaging camera

  • Likely higher price point
  • Potentially larger size and weight due to advanced features

Doogee S100 Pro

  • More affordable price
  • Good battery life due to the efficient Helio G99
  • Rugged build quality

  • Significantly lower performance compared to the Ulefone
  • Slower 33W charging

Display Comparison

While both devices are likely to feature durable displays befitting their rugged nature, the context data doesn't provide specifics. However, given the Armor 28 Ultra Thermal's positioning, we can expect a higher-resolution panel and potentially a higher refresh rate. The Helio G99 in the Doogee S100 Pro suggests a focus on efficiency, potentially leading to a slightly less vibrant, but more power-efficient display. Bezels are likely to be substantial on both to contribute to drop protection.

Camera Comparison

The provided data doesn't detail camera specifications beyond the chipsets. However, the Ulefone Armor 28 Ultra Thermal, positioned as a premium device, is likely to feature a more sophisticated camera system with larger sensors and advanced image processing. The integrated thermal imaging capability is a unique selling point, offering utility beyond standard smartphone photography. The Doogee S100 Pro will likely offer a competent camera for everyday use, but will likely lack the advanced features and image quality of the Ulefone.

Performance

The performance gap is the most significant differentiator. The Ulefone Armor 28 Ultra Thermal’s Mediatek Dimensity 9300+ (4nm) is a flagship-level chipset featuring a unique core configuration – 1x3.25 GHz Cortex-X4, 3x2.85 GHz Cortex-X4, and 4x2.0 GHz Cortex-A720. This architecture prioritizes peak performance and AI capabilities. In contrast, the Doogee S100 Pro’s Mediatek Helio G99 (6nm) utilizes a more conventional octa-core setup (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55). The 6nm process is more efficient than older nodes, but it cannot match the raw power of the Dimensity 9300+. The Ulefone will excel in gaming, video editing, and multitasking, while the Doogee will handle everyday tasks smoothly but struggle with demanding applications. The Dimensity 9300+'s advanced thermal management will also be crucial in sustaining peak performance for longer durations.

Battery Life

The Ulefone Armor 28 Ultra Thermal’s charging capabilities are a standout feature, with 120W wired charging (40% in 10 minutes) and 50W wireless charging (35% in 30 minutes). This significantly reduces downtime. The Doogee S100 Pro’s 33W wired charging is considerably slower. While battery capacity isn't specified, the Dimensity 9300+'s efficiency could offset a potentially smaller battery size in the Ulefone, while the Doogee's Helio G99 will prioritize maximizing battery life through lower power consumption.

Buying Guide

Buy the Ulefone Armor 28 Ultra Thermal if you need uncompromising performance for resource-intensive applications, require thermal imaging capabilities for professional or recreational use, and value the fastest possible charging speeds. Buy the Doogee S100 Pro if you prioritize affordability, long-term battery life over peak performance, and a robust build quality for everyday rugged use without breaking the bank.

Frequently Asked Questions

❓ How much of a performance difference can I expect between the Dimensity 9300+ and Helio G99 in real-world gaming?
The Dimensity 9300+ offers a substantial performance advantage, allowing for higher frame rates and more consistent performance in demanding games. The Helio G99 will be capable of playing most games, but may require lower graphics settings and may experience more noticeable frame drops during intense scenes. Expect the Ulefone to handle graphically intensive titles like Genshin Impact with ease, while the Doogee might struggle at higher settings.
❓ Is the thermal imaging camera on the Ulefone Armor 28 Ultra Thermal useful for everyday users, or is it a niche feature?
While initially a niche feature, thermal imaging has practical applications beyond professional use. It can be used to identify energy leaks in homes, inspect electrical systems, locate objects in low-light conditions, and even diagnose potential vehicle issues. For outdoor enthusiasts, it can help detect wildlife. It adds a unique capability not found on most smartphones.
❓ How does the 6nm process of the Helio G99 impact battery life compared to the 4nm process of the Dimensity 9300+?
The 6nm process is more power-efficient than older nodes, but the 4nm process used in the Dimensity 9300+ is even more efficient. While the Doogee S100 Pro will likely offer good battery life, the Ulefone Armor 28 Ultra Thermal should provide comparable or even better battery performance despite its higher processing power, thanks to the more advanced manufacturing process.