Ulefone Armor 28 Ultra Thermal vs Vivo Y39

Ulefone Armor 28 Ultra Thermal

Ulefone Armor 28 Ultra Thermal

Announced On:September, 2024

Change Mobile Phone

Vivo Y39

Vivo Y39

Announced On:March, 2025

Change Mobile Phone

Ulefone Armor 28 Ultra Thermal vs Vivo Y39

Ulefone Armor 28 Ultra Thermal	Vivo Y39

Price
EUR: N/A	EUR: N/A
USD: $1,200	USD: N/A
GBP: N/A	GBP: N/A
INR: N/A	INR: ₹16,999
PKR: N/A	PKR: N/A

Form Factor
Body
Candybar, Touchscreen	Candybar, Touchscreen
Dimensions
174.2 x 83.6 x 19.4 mm (6.86 x 3.29 x 0.76 in)	165.7 x 76.3 x 8.3 mm (6.52 x 3.00 x 0.33 in)
Weight
450 g (0.99 lb)	205 g (7.23 oz)
Build
IP68/IP69K dust tight and water resistant (high pressure water jets, immersible up to 2m for 30 min) Drop resistant up to 2m MIL-STD-810H compliant Accessory connector (ulefone endoscope, microscope)	Glass front, plastic frame, plastic back IP64 dust tight and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Colors
Black	Lotus Purple, Ocean Blue

Type
Display
AMOLED, 1B colors, 120Hz, 900 nits (HBM), 2200 nits (peak)	IPS LCD, 120Hz, 1000 nits (HBM)
Size
6.67 inches, 110.0 cm² (~75.5% screen-to-body ratio)	6.68 inches, 107.4 cm² (~84.9% screen-to-body ratio)
Resolution
1080 x 2460 pixels (~395 ppi density)	720 x 1608 pixels, 20:9 ratio (~264 ppi density)
Protection
Corning Gorilla Glass Victus	Schott Glass
Secondary
Secondary display on the back: AMOLED, 1.04 inches, 340 x 340 pixels, 500 nits (HBM)
Brightness
Secondary display on the back: AMOLED, 1.04 inches, 340 x 340 pixels, 500 nits (HBM)

Technology
Network
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G	GSM / HSPA / LTE / 5G
2G Bands
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 2100
4G Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71	1, 3, 5, 8, 28, 38, 40, 41
5G Bands
1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6	1, 3, 5, 8, 28, 40, 77, 78 SA/NSA

Internal Memory
Memory
1TB ROM, 16GB RAM	128GB ROM, 8GB RAM 256GB ROM, 8GB RAM
Storage Type
UFS 4.0	UFS 2.2
Card Slot
microSDXC (dedicated slot)	No

Speed
Connectivity
HSPA, LTE, 5G	HSPA, LTE, 5G
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6/7, tri-band	Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.4, A2DP, LE	5.0, A2DP, LE
USB
USB Type-C 3.2 Gen2, Display Port 1.4, OTG, accessory connector pins	USB Type-C 2.0, OTG
Infrared Port
Yes
NFC
Yes	No

Main Camera
Camera
Primary: 50 MP, f/1.9, (wide), 1.0"-type, 1.6µm, dual pixel PDAF Secondary: 64 MP, f/1.8, (night vision), 1/2", 0.7µm, 4 infrared lights Third: 50 MP, f/2.2, 117" (ultrawide), 1/2.76", 0.64µm Forth: Thermal camera by ThermoVue T2, 640x512 px	Primary: 50 MP, f/1.8, (wide), PDAF Secondary: 2 MP, f/2.4, (depth)
Camera Features
Quad-LED flash, HDR, panorama	LED flash, HDR, panorama
Video
8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS	1080p@30fps
Selfie Camera
50 MP, f/2.5, (wide), 1/2.76", 0.64µm Video: 1080p@30fps	8 MP, f/2.0, (wide) Video: 1080p@30fps

Radio
Multimedia
Wireless FM radio, RDS, recording	No

Operating System (OS)
Software
Android OS, v15	Android OS, v15
UI
	Funtouch 15

Chipset
Hardware
Mediatek Dimensity 9300+ (4 nm)	Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU
Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)	Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU
Immortalis-G720 MC12	Adreno 613
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
SIM
Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Speakers
Yes	Yes, with stereo speakers 24-bit/192kHz Hi-Res audio
Audio Jack
3.5 mm	No

Battery Type
Battery
Li-Ion 10600 mAh	Si/C Li-Ion 6500 mAh
Charging
120W wired, PPS, 40% in 10 min 50W wireless, 35% in 30 min 10W reverse wired Reverse wireless	44W wired, 74% in 60 min Reverse wired

Features
Additional Features
	Circle to Search (8GB RAM version only)

Compare Ulefone Armor 28 Ultra Thermal With Similar Mobile Phones

Armor 28 Ultra Thermal

Armor 28 Ultra Thermal

Armor 28 Ultra Thermal

Vivo

Armor 28 Ultra Thermal

Armor 28 Ultra Thermal

Oppo

Armor 28 Ultra Thermal

Oppo

Armor 28 Ultra Thermal

Vivo

Armor 28 Ultra Thermal

Vivo

Armor 28 Ultra Thermal