Ulefone Armor 28 Ultra vs Xiaomi Redmi A4

Ulefone
Armor 28 Ultra

Xiaomi
Redmi A4
Resumo
- Marca
- Ulefone
- Xiaomi
- Data de lançamento
- setembro de 2024, há 1 anos e 9 meses
- novembro de 2024, há 1 anos e 7 meses
- AnTuTu
- 2.348.416 Antutu v11 Overall performance better than 96% of devices
- 383.772 Antutu v10 Overall performance better than 65% of devices
- Preço de lançamento
- —
- ₹ 9,499.00 ($ 100.78)
Tela
- Tamanho
- 6.67"
- 6.88"
- Resolução
- 1080 x 2400 px FHD+
- 720 x 1640 px HD+
- Tipo
- AMOLED
- LCD IPS
- Densidade
- 395 ppi High Density
- 260 ppi Medium Density
- Proporção
- 20:9
- 21:9
- Recursos
- Hole-punch Notch, Refresh rate 120 Hz, Touch sampling rate 480 Hz, Peak brightness - 2200 cd/m², HDR10, DCI-P3, DC dimming, Scratch resistant, Corning Gorilla Glass Victus, Capacitive, Multi-touch, Frameless
- Water Drop Notch, TÜV Rheinland Flicker-free Certified, TÜV Low Blue Light, Refresh rate 120 Hz, Touch sampling rate 240 Hz, Brightnes 450 cd/m² (typ), Max brightness HBM - 600 cd/m², TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, 2.5D curved glass screen, Capacitive, Frameless
Desempenho
- Processador
- MediaTek Dimensity 9300+
- Qualcomm Snapdragon 4s Gen 2
- CPU
- 1xCortex X4 3,4GHZ + 3xCortex X4 2,85GHZ + 4xCortex A720 2GHZ
- 2x2.2 GHz Cortex A78 +6x2.0 GHz Cortex A55
- Tipo de CPU
- Octa-Core
- Octa-Core
- Processo
- 4 nm
- 4 nm
- Frequência
- 3.25 GHz
- 2.2 GHz
- GPU
- Immortalis-G720 MC12 1300MHz
- Qualcomm Adreno 613
- RAM
- 16 GB
- 4 GB
- 64 bits
- Yes
- Yes
- Tipo de RAM
- —
- LPDDR4X RAM
Câmera traseira
- Resolução
- 50 Mpx
- 50 Mpx
- Abertura
- ƒ/ 1.9
- ƒ/ 1.8
- Sensor
- Sony IMX989
- —
- Tamanho de pixel
- 0.80 µm
- —
- Tamanho do sensor
- 1"
- —
- Flash
- Quad LED
- LED
- Estabilização óptica
- No
- No
- Câmera lenta
- Yes, 120 fps
- Yes, 120 fps
- Recursos
- Cinematic Mode, Flicker sensor, Noise reduction, Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Manual focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night Mode, Night Vision
- Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
Câmera frontal
- Resolução
- 50 Mpx
- 5 Mpx
- Abertura
- Unknow
- ƒ/ 2.2
- Sensor
- Samsung S5KJN1
- —
- Tamanho de pixel
- 0.64 µm
- —
Bateria
- Capacidade
- 10600 mAh
- 5160 mAh
- Tipo
- Lithium
- Li-Polymer
- Carga rápida
- Yes , 120.0W
- Yes , 18.0W
- Carregamento sem fio
- Wireless charging 50w
- —
- Ciclos de carga
- 1000 cycles
- —
- Autonomia
- ~ 113h
- —
- Recursos
- Wireless charging, Non-removable
- Non-removable
Armazenamento
- Capacidade
- 1 TB
- 128 GB
- Tipo
- UFS Storage 4.0
- UFS Storage 2.2
- Slot SD
- Yes , Independent SD slot
- Yes , Independent SD slot
Corpo
- Dimensões
- 83.6 mm 174.2 mm 19.4 mm Print 3D Model
- 77.8 mm 171.9 mm 8.2 mm Print 3D Model
- Peso
- 450 g
- 213 g
- Materiais
- Rugged Smartphone, Polycarbonate
- Polycarbonate , Glass
- Cores
- Black
- Black Purple
- Resistência à água e poeira
- IP68, IP69 , MIL-STD-810H
- IP52
- Resistência a quedas
- Class A B C D E 270 drops without defects
- —
- Reparabilidade
- Class A B C D E
- —
- Superfície útil
- 73 %
- 84 %
Software
- Sistema operacional
- Android 14 Upside-down cake Android 14
- Android 14 Upside-down cake HyperOS (Android 14)
- Serviços do Google
- With Google Mobile Services
- With Google Mobile Services
Conectividade
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.4 LELow energy consumption
- Bluetooth 5.0 LELow energy consumption
- Perfis Bluetooth
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), LDAC, SBC, AAC, LHDC
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy), AAC
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 7 (802.11be)
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
- Recursos Wi-Fi
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi MiMO
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
- USB
- USB Type-C
- USB Type-C
- Recursos USB
- Charging, OTG
- Charging, OTG
- Navegação
- GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2), Galileo (E1+E5a+E5b)
- GPS, A-GPS, GLONASS, Beidou, Galileo
Redes
- 5G
- n1 (2100), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n77 (3700), n78 (3500)
- n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n28a (700), n40 (2300), n78 (3500)
- 4G LTE
- B1 (2100), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B26 (850), B28b (700), B28a (700), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
- B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
- 3G
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B6 (800), B8 (900), B19 (800)
- B1 (2100), B2 (1900), B5 (850), B8 (900)
- 2G
- CDMA BC0 (800), B3 (1800), B5 (850), B8 (900)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
Sensores e segurança
- Impressão digital
- Yes, on the side
- Yes, on the side
- Acelerômetro
- Yes
- Yes
- Giroscópio
- Yes
- —
- Proximidade
- Yes
- —
- Sensor de luz
- Yes
- —
- Barômetro
- Yes
- —
- Sistema de resfriamento
- Yes
- No
- Áudio
- Stereo Speakers
- —














