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Specifications
 

Samsung Galaxy M51

Xiaomi Poco X3 NFC

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Samsung Galaxy M51
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Samsung Galaxy M51

Xiaomi Poco X3 NFC

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps HSPA, LTE
Launch
Announced 2020, August 31 2020, September 07
Status Available. Released 2020, September 11 Available. Released 2020, September 08
Body
Dimensions 163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in) 165.3 x 76.8 x 9.4 mm (6.51 x 3.02 x 0.37 in)
3D size compare
Weight 213 g (7.51 oz) 215 g (7.58 oz)
Build Glass front (Gorilla Glass 3+), plastic back, plastic frame Glass front (Gorilla Glass 5), aluminum frame, plastic back
SIM Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by)
  IP53, dust and splash resistant
Display
Type Super AMOLED Plus IPS LCD, 120Hz, HDR10, 450 nits (typ)
Size 6.7 inches, 108.4 cm2 (~86.7% screen-to-body ratio) 6.67 inches, 107.4 cm2 (~84.6% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~393 ppi density) 1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection Corning Gorilla Glass 3+ Corning Gorilla Glass 5
Platform
OS Android 10, upgradable to Android 12, One UI 4.1 Android 10, upgradable to Android 12, MIUI 14
Chipset Qualcomm SDM730 Snapdragon 730G (8 nm) Qualcomm SM7150-AC Snapdragon 732G (8 nm)
CPU Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (2x2.3 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU Adreno 618 Adreno 618
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
  UFS 2.1

Main Camera
Modules 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
64 MP, f/1.9, (wide), 1/1.73", 0.8µm, PDAF
13 MP, f/2.2, 119˚ (ultrawide), 1.0µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Features LED flash, panorama, HDR Dual-LED flash, HDR, panorama
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30/120fps, 720p@960fps; gyro-EIS
Selfie Camera
Modules 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Features HDR HDR, panorama
Video 4K@30fps, 1080p@30fps 1080p@30fps
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Sound
Loudspeaker Yes Yes, with stereo speakers
3.5mm jack Yes Yes
  24-bit/192kHz Hi-Res audio
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE 5.1, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, BDS
NFC Yes Yes
Infrared port No Yes
Radio FM radio, RDS FM radio, recording
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Type Li-Po 7000 mAh, non-removable Li-Po 5160 mAh, non-removable
Charging 25W wired, 100% in 115 min (advertised)
Reverse wired
33W wired, 62% in 30 min, 100% in 65 min (advertised)
Misc
Colors Celestial Black, Electric Blue, White Cobalt Blue, Shadow Gray
SAR 1.38 W/kg (head)     0.77 W/kg (head)     0.61 W/kg (body)    
SAR EU 0.61 W/kg (head)     1.45 W/kg (body)     0.56 W/kg (head)     0.99 W/kg (body)    
Models SM-M515F, SM-M515F/DSN M2007J20CG, M2007J20CT
Price About 470 EUR $ 269.99 / € 150.99
Tests
Performance AnTuTu: 266620 (v8)
GeekBench: 1774 (v5.1)
GFXBench: 15fps (ES 3.1 onscreen)
AnTuTu: 283750 (v8)
GeekBench: 1777 (v5.1)
GFXBench: 16fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal) Contrast ratio: 1299:1 (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -28.5 LUFS (Average) -25.3 LUFS (Very good)
Battery (old) Endurance rating 156h Endurance rating 125h

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