Oppo Reno Ace vs vivo X51 5G

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 7, 8, 28, 38, 41, 77, 78 SA/NSA
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE Cat15, 798 Mbps download, 226 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass front, glass back, aluminum frame
SIM

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

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

161 mm

158.5 mm
Width

75.7 mm

72.8 mm
Thickness

8.7 mm

8 mm
Weight

200 g

181.5 g
Colors

Purple, Blue

Gray

Display
Display type

AMOLED capacitive touchscreen

AMOLED
Physical size

6.5 inches

6.56 inches
Resolution

1080 x 2400 pixels

1080 x 2376 pixels
Pixel density

405 ppi

398 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6

Scratch resistant
Multitouch

Yes

-
Display features

HDR, DCI-P3 100%

90Hz, HDR10+
DxOMark display score

-

87

Main camera
Camera type

Quad

Quad
Main camera

48 MP, f/1.7 , 1/2.0" , 0.8 µm, 2x optical zoom

48 MP, f/1.6 , 1/1.2" , 0.8 µm, (wide)
13 MP, f/2.4 , 1/3.4" , 1.0 µm

8 MP, f/3.4 , 1/4.0" , (periscope telephoto) , 135 mm, 5x optical zoom
8 MP, f/2.2 , 1/3.2" , 1.4 µm

13 MP, f/2.5 , 1/2.8" , 0.8 µm, (portrait) , 50 mm, 2x optical zoom
2 MP, f/2.4 , 1/5" , 1.75 µm

8 MP, f/2.2 , 1/4.0" , 1.12 µm, (ultrawide) , 120˚ , 16 mm
Primary camera resolution

8000 x 6000 pixels

8000 x 6000 pixels
Primary camera video

2160p@30/60fps, 1080p@30/60/120fps (gyro-EIS); video rec. only with main camera

4K@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

Autofocus, continuous shooting, digital 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

Autofocus, continuous shooting, digital 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, phase detection autofocus
DxOMark photo

-

117
DxOMark zoom

-

67
DxOMark video

-

102
DxOMark camera score

-

114

Selfie camera
Selfie camera type

-

Single
Selfie camera

16 MP, f/2.0 , 26 mm, 1/3.1" , 1.0 µm

32 MP, f/2.5 , 26 mm, 1/2.8" , 0.8 µm, (wide)
Selfie camera resolution

4608 x 3456 pixels

6528 x 4896 pixels
Selfie camera features

-

Face unlock
Selfie camera video

1080p@30fps

1080p@30fps
DxOMark photo

-

82
DxOMark video

-

78
DxOMark camera score

-

81

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
Bluetooth AptX

-

aptX HD
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, proximity

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4000 mAh

4315 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC 2.0 (100% in 30 min)

Vivo FlashCharge (57% in 30 min)
DxOMark autonomy

-

45
DxOMark charging

-

80
DxOMark efficiency

-

68
DxOMark battery score

-

60