BLU G51S vs Oppo Find X7 Ultra

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 12, 17, 28

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66
5G network

-

5G band 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.52 Mbps
LTE speed

LTE, 301 Mbps download, 102 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass) or eco leather back, aluminum frame
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

162.4 mm

164.3 mm
Width

77.5 mm

76.2 mm
Thickness

9 mm

9.5 mm
Weight

185 g

221 g
Waterproof

-

IP68 (up to 1.5m for 30 mins)
Dust proof

-

IP68
Colors

Blue, Bronze, Green, Red

Black, Blue, Brown

Display
Display type

IPS LCD

LTPO AMOLED
Physical size

6.4 inches

6.82 inches
Resolution

720 x 1560 pixels

1440 x 3168 pixels
Pixel density

268 ppi

510 ppi
Display colors

16777216

1073741824
Protection

2.5D curved glass screen

Corning Gorilla Glass Victus 2
Display features

-

120Hz, Dolby Vision, HDR10+, 1600 nits (typ), 2600 nits (HBM), 4500 nits (peak)

Main camera
Camera type

Dual

Quad
Main camera

13 MP

50 MP, (wide) , f/1.8 , 23 mm, 1/0.98" , 1.6 µm
0.3 MP

50 MP, (periscope telephoto) , f/2.6 , 65 mm, 1/1.56" , 1.0 µm, 2.8x optical zoom
(periscope telephoto) , 50 MP, f/4.3 , 135 mm, 1/2.51" , 0.64 µm, 6x optical zoom
(ultrawide) , 50 MP, f/2.0 , 123˚ , 14 mm, 1/1.95" , 1.0 µm
Primary camera resolution

4160 x 3120 pixels

8120 x 6180 pixels
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10‑bit video, Dolby Vision
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, contrast detection autofocus, laser autofocus, multi-directional phase detection autofocus, RAW, HEIF, Hasselblad master mode

Selfie camera
Selfie camera type

-

Single
Selfie camera

8 MP

32 MP, (wide) , f/2.4 , 21 mm, 1/2.74" , 0.8 µm
Selfie camera resolution

-

6560 x 4928 pixels
Selfie camera features

-

Face unlock, HDR, autofocus, face detection, digital image stabilization
Selfie camera video

720p@30fps

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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 802.11be
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C 3.2
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.4
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

No

Yes; NFC-SIM, HCE, eSE, eID
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes