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Oppo Watch X2
Oppo Oppo Watch X2
1.4
Price TBA
View Details
Oppo Oppo Reno4 Z 5G
2.6
Price TBA
View Details
★ Our Pick

Our Verdict

Analysis

Oppo Reno4 Z 5G has the bigger display.

Overall Winner
Oppo Reno4 Z 5G
Display Winner
Oppo Reno4 Z 5G
Performance Winner
Tie
Camera Winner
Tie
Battery Winner
Tie
Value Winner
Tie

Specifications Comparison

Feature Oppo Watch X2 Oppo Reno4 Z 5G
Display size (in) 1.50 6.57
Weight (g) 49 184
Thickness (mm) 11.80 8.10
Chipset Qualcomm Snapdragon W5 Gen 1 (4 nm) Mediatek Dimensity 800 (7 nm)
OS ColorOS Watch 7.0 + Wear OS 5.0 Android 10, upgradable to Android 11, ColorOS 11.1

Every Spec, Side by Side

Specification
Oppo
Oppo Watch X2
Oppo
Oppo Reno4 Z 5G
Battery 2 specs
Type
Li-Ion 648 mAh
Li-Po 4000 mAh
Charging
7.5W wired
18W wired
Body 5 specs
Dimensions
47.6 x 46.6 x 11.8 mm (1.87 x 1.83 x 0.46 in)
163.8 x 75.5 x 8.1 mm (6.45 x 2.97 x 0.32 in)
Weight
49.7 g (1.76 oz)
184 g (6.49 oz)
Build
Sapphire crystal front, stainless steel frame, plastic back
SIM
No
Nano-SIM + Nano-SIM
 
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810H compliant Waterproof (5ATM/50m) Compatible with standard 22mm straps ECG certified
Camera 1 spec
 
No
Connectivity 6 specs
WLAN
Wi-Fi 802.11 a/b/g/n, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.2, A2DP, LE
5.1, A2DP, LE, aptX HD
Positioning
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
Yes
Yes
Radio
No
No
USB
No
USB Type-C 2.0, OTG
Display 4 specs
Type
LTPO AMOLED, 2200 nits (peak)
IPS LCD, 120Hz, 480 nits (typ)
Size
1.5 inches
6.57 inches, 104.2 cm2 (~84.3% screen-to-body ratio)
Resolution
466 x 466 pixels (~310 ppi density)
1080 x 2400 pixels, 20:9 ratio (~401 ppi density)
Protection
Sapphire crystal glass
Corning Gorilla Glass 3+
Features 1 spec
Sensors
Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature)
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch 2 specs
Announced
2025, February 20
2020, September 29. Released 2020, October 15
Status
Available. Released 2025, March 28
Discontinued
Memory 3 specs
Card slot
No
No
Internal
32GB 2GB RAM
128GB 8GB RAM, 256GB 12GB RAM
 
UFS 2.1
Misc 3 specs
Colors
Lava Black, Summit Blue
Ink Black, Dew White
Models
OPWWE251
CPH2065
Price
About 300 EUR
About 260 EUR
Network 8 specs
Technology
No cellular connectivity
GSM / HSPA / LTE / 5G
2G bands
N/A
GSM 850 / 900 / 1800 / 1900
3G bands
N/A
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
N/A
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
Speed
No
HSPA, LTE, 5G 3.5 Gbps DL
GPRS
No
EDGE
No
5G bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA
Platform 4 specs
OS
ColorOS Watch 7.0 + Wear OS 5.0
Android 10, upgradable to Android 11, ColorOS 11.1
Chipset
Qualcomm Snapdragon W5 Gen 1 (4 nm)
Mediatek Dimensity 800 (7 nm)
CPU
Octa-core (4x2.0 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC4
Sound 3 specs
3.5mm jack
No
Yes
Loudspeaker
Yes
Yes
 
24-bit/192kHz Hi-Res audio
Main Camera 3 specs
Quad
48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm Auxiliary lens
Features
LED flash, HDR, panorama
Video
4K@30fps, 1080p@30fps, gyro-EIS
Our Tests 5 specs
Camera
Photo / Video
Loudspeaker
-28.1 LUFS (Average)
Battery (old)
Endurance rating 78h
Performance
AnTuTu: 295562 (v8) GeekBench: 2196 (v5.1) GFXBench: 16fps (ES 3.1 onscreen)
Display
1284:1 contrast ratio, 398 nits max brightness (measured)
Selfie Camera 3 specs
Dual
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 2 MP, f/2.4, (depth)
Features
HDR
Video
1080p@30fps

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Common Questions

Which phone is the best in this comparison?

Oppo Reno4 Z 5G has the bigger display.

How are the comparison winners decided?

We compare measurable specs (display size, battery capacity, RAM, charging, weight) and price (USD). When two phones tie or data is missing we mark the category "Depends".

Which is more affordable?

The cheaper option is shown as the value winner above. Prices are USD and may vary by region or retailer.