blu G51S vs hmd XR21

At a glance

Brand: BLU; HMD
Release date: May 2022, 4 years ago; May 2024, 2 years ago
AnTuTu: 112.545 Antutu v9 Overall performance better than 52% of devices; 402.100 Antutu v10 Overall performance better than 66% of devices
Launch price: —; € 599.99 ($ 700.66)

Size: 6.4"; 6.49"
Resolution: 720 x 1560 px HD+; 1080 x 2400 px FHD+
Type: LCD IPS; LCD IPS
Density: 268 ppi Medium Density; 406 ppi Very high density
Aspect ratio: 19.5:9; 20:9
Features: Water Drop Notch, 2.5D curved glass screen, Capacitive, Multi-touch; Hole-punch Notch, Refresh rate 120 Hz, Brightnes 450 cd/m² (typ), Max brightness HBM - 550 cd/m², NTSC, 82% NTSC, Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass Victus, Capacitive, Multi-touch

Chipset: Spreadtrum Unisoc SC9863A; Qualcomm Snapdragon 695 (SM6375)
CPU: 4x Cortex A55 1.6 GHz + 4x Cortex A55 1.2 GHz; 2x2.2 GHz Kryo 660 Gold +6x1.7 GHz Kryo 660 Silver
CPU type: Octa-Core; Octa-Core
Process: 28 nm; 6 nm
Frequency: 1.6 GHz; 2.2 GHz
GPU: PowerVR GE8322; Qualcomm Adreno 619
RAM: 2 GB; 6 GB
64-bit: Yes; Yes
RAM type: —; LPDDR4X RAM

Resolution: 13 Mpx; 64 Mpx
Aperture: ƒ/ 2.0; Unknow
Flash: LED; Dual LED
Optical stabilization: No; No
Slow motion: No, 30 fps; No, 30 fps
Features: Digital zoom, Dual camera, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer; Digital zoom, Dual camera, Autofocus, Touch focus, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer

Dimensions: 77.5 mm 162.4 mm 9.0 mm Print 3D Model; 78.6 mm 168.0 mm 10.4 mm Print 3D Model
Weight: 185 g; 231 g
Materials: Plastic; Polycarbonate
Colors: Blue Red Bronze; Black
Usable surface: 79 %; 77 %
Water/dust resistance: —; IP68, IP69

Operating system: Android 11 Red Velvet Cake Android 11 Go edition; Android 13 Tiramisu Android 13
Google services: With Google Mobile Services; With Google Mobile Services

SIM: Dual SIM Dual Standby (Nano SIM + Nano SIM); Dual SIM Dual Standby (Nano SIM + Nano SIM / eSIM)
Bluetooth: Bluetooth 4.2; Bluetooth 5.1 LELow energy consumption
Bluetooth profiles: A2DP (Advanced Audio Distribution Profile); A2DP (Advanced Audio Distribution Profile), LE (Low Energy)
Wi-Fi: 802.11b , 802.11g , 802.11n; 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
Wi-Fi features: Wi-Fi Hotspot; Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
USB: USB Type-C; —
USB features: Charging, OTG; Charging, OTG
Navigation: GPS, A-GPS; GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, Galileo (E1+E5a), NavIC System, GPS (L1+L2+L5)

4G LTE: B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B12 (700), B17 (700), B28a (700); B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B42 (TDD 3500), B43 (TDD 3700), B48 (TDD 3600), B66 (1700/2100), B71 (600)
3G: B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900); B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
2G: B2 (1900), B3 (1800), B5 (850), B8 (900); B2 (1900), B3 (1800), B5 (850), B8 (900)
5G: —; n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n20 (800), n25 (1900), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n71 (600), n77 (3700), n78 (3500), n79 (4700)