Home/Ulefone/Ulefone Armor 23 Ultra vs Ulefone Armor 28 Ultra Thermal
Ulefone Armor 23 Ultra

Ulefone Armor 23 Ultra

#413
Ulefone Armor 28 Ultra Thermal

Ulefone Armor 28 Ultra Thermal

#108

Category Breakdown

Ulefone Armor 23 Ultra
Ulefone Armor 28 Ultra Thermal
Performance
74.583.8
Camera
49.050.0
Display
79.588.5
Battery
93.098.0
Build
63.863.8
Overall
70.876.4

Summary

  • The Ulefone Armor 23 Ultra features a robust build with dimensions of 177.4 x 81.5 x 12.8 mm and weighs 332g, while the Armor 28 Ultra Thermal is slightly smaller at 174.2 x 83.6 x 19.4 mm but heavier at 450g.
  • The Armor 23 Ultra has a 6.78-inch IPS LCD display, whereas the Armor 28 Ultra Thermal sports a 6.67-inch AMOLED display with higher brightness levels.
  • In terms of performance, the Armor 28 Ultra Thermal is powered by the more advanced Mediatek Dimensity 9300+ chipset, compared to the Dimensity 8020 in the Armor 23 Ultra.
  • Both phones have a 50 MP main camera, but the Armor 28 Ultra Thermal offers enhanced video capabilities with 8K recording.
  • The Armor 23 Ultra has a 5280mAh battery, while the Armor 28 Ultra Thermal boasts a significantly larger 10600mAh battery, both supporting 120W fast charging.
  • The software experience differs as well, with the Armor 23 Ultra running Android 13 and the Armor 28 Ultra Thermal featuring Android 15.

Side-by-side Specification Comparison

Ulefone Armor 23 Ultra
Ulefone Armor 28 Ultra Thermal

General

Release Date

2023, December 21
2024, September 03

Announced

2023, December 21
2024, September 03

Description

N/A
Also known as Ulefone Armor 28 Ultra Thermal Variant

Display

Size

6.78"
6.67"

Type

IPS LCD, 120Hz
AMOLED, 1B colors, 120Hz, 900 nits (HBM), 2200 nits (peak)

Resolution

1080 x 2460 pixels (~396 ppi density)
1080 x 2460 pixels (~395 ppi density)

PPI

1080
1080

Refresh Rate

120Hz
120Hz

Peak Brightness

N/A
N/A

HDR Support

Protection

Corning Gorilla Glass Victus
Corning Gorilla Glass Victus

Performance

Chipset

Mediatek Dimensity 8020 (6 nm)
Mediatek Dimensity 9300+ (4 nm)

CPU

Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)

GPU

Mali-G77 MC9
Immortalis-G720 MC12

Memory

512GB 12GB RAM
1TB 16GB RAM

Expandable Storage

Card Slot

microSDXC (dedicated slot)
microSDXC (dedicated slot)

Camera

Main Camera

50 MP
50 MP

Main Camera Details

50 MP, f/1.7, (wide), 1/1.31", 1.2µm, PDAF8 MP, (telephoto), 3.2x optical zoom50 MP, f/2.2, 117˚ (ultrawide)64 MP, f/1.8, (night vision), 2 infrared night vision lights
50 MP, f/1.9, (wide), 1.0"-type, 1.6µm, dual pixel PDAF64 MP, f/1.8, (night vision), 1/2", 0.7µm, 4 infrared lights50 MP, f/2.2, 117˚ (ultrawide), 1/2.76", 0.64µmThermal camera by ThermoVue T2, 640x512 px

Front Camera

50 MP
50 MP

Front Camera Details

50 MP, f/2.3, (wide), 1.0µm
50 MP, f/2.5, (wide), 1/2.76", 0.64µm

Video Recording

4K@60fps, 1080p@30fps
8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS

Selfie Video

1080p@30fps
1080p@30fps

OIS

Night Mode

RAW Support

Battery

Capacity

5280 mAh
10600 mAh

Battery Details

Li-Po 5280 mAh
Li-Ion 10600 mAh

Charging Details

120W wired, 60% in 10 min50W wirelessReverse wireless
120W wired, PPS, 40% in 10 min50W wireless, 35% in 30 min10W reverse wiredReverse wireless

Fast Charging

Wireless Charging

Build & Design

Dimensions

177.4 x 81.5 x 12.8 mm (6.98 x 3.21 x 0.50 in)
174.2 x 83.6 x 19.4 mm (6.86 x 3.29 x 0.76 in)

Weight

332 g
450 g

Materials

N/A
N/A

Water Resistance

N/A
N/A

Colors

Elite Black, Umbra Orange
Black

Foldable

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G

Network Speed

HSPA, LTE, 5G
HSPA, LTE, 5G

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Wi-Fi 802.11 a/b/g/n/ac/6/7, tri-band

Bluetooth

5.1, A2DP, LE
5.4, A2DP, LE

NFC

USB

USB Type-C 3.1, OTG
USB Type-C 3.2 Gen2, Display Port 1.4, OTG, accessory connector pins

IR Blaster

Headphone Jack

Radio

Positioning

GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
GPS, GALILEO, GLONASS, QZSS, BDS, NavIC

Software

Operating System

Android 13
Android 15

OS Version

Android 13
Android 15

Security

Fingerprint

Face Unlock

Sensors

Fingerprint (side-mounted), accelerometer, proximity, compass, gyro, barometer
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

No
Yes