Home/Oscal/Oscal Tank 1 vs vivo iQOO Z7 (China)
Oscal Tank 1

Oscal Tank 1

#1041
vivo iQOO Z7 (China)

vivo iQOO Z7 (China)

#1454

Category Breakdown

Oscal Tank 1
vivo iQOO Z7 (China)
Performance
92.187.8
Camera
54.366.3
Display
81.884.4
Battery
39.333.7
Build
0.20.2
Connectivity
84.685.9
Audio
71.58.9
Overall
63.958.2

Summary

  • The Oscal Tank 1 features a larger 6.78-inch IPS LCD display with a resolution of 1080 x 2460 pixels and a 120Hz refresh rate, while the vivo iQOO Z7 has a slightly smaller 6.64-inch IPS LCD with HDR10 support and a resolution of 1080 x 2388 pixels, also at 120Hz.
  • In terms of performance, the Tank 1 is powered by the Mediatek Dimensity 7050 chipset, offering 12GB or 16GB of RAM, whereas the iQOO Z7 utilizes the Qualcomm Snapdragon 782G with options for 8GB or 12GB of RAM.
  • Both devices have a 64 MP rear camera, but the iQOO Z7 includes optical image stabilization (OIS) and a secondary depth sensor, while the Tank 1 features a night vision camera.
  • The Tank 1 boasts a significantly larger 20,000 mAh battery with 55W charging, compared to the iQOO Z7's 5,000 mAh battery with faster 120W charging.
  • Software-wise, the Tank 1 runs on Android 15 with DokeOS 4.2, while the iQOO Z7 operates on Android 13 with OriginOS 3.

Side-by-side Specification Comparison

Oscal Tank 1
vivo iQOO Z7 (China)

General

Release Date

2025, October 10
2023, March 20

Announced

2025, October 10
2023, March 20

Description

N/A
N/A

Display

Size

6.78"
6.64"

Type

IPS LCD, 120Hz, 700 nits
IPS LCD, 120Hz, HDR10

Resolution

1080 x 2460 pixels (~396 ppi density)
1080 x 2388 pixels (~395 ppi density)

PPI

1080
1080

Refresh Rate

120Hz
120Hz

HDR Support

Protection

Corning Gorilla Glass 5, Mohs level 5
N/A

Performance

Chipset

Mediatek Dimensity 7050 (6 nm)
Qualcomm Snapdragon 782G (6 nm)

CPU

Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
Octa-core (1x2.7 GHz Cortex-A78 & 3x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)

GPU

Mali-G68 MC4
Adreno 642L

Memory

256GB 12GB RAM, 512GB 16GB RAM
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM

Expandable Storage

Card Slot

microSDXC (uses shared SIM slot)
No

Camera

Main Camera

64 MP, f/1.8, (wide), 1/1.2", PDAF20 MP, f/2.0, (night vision), 1/2.8", 2 infrared night vision lights
64 MP, f/1.8, (wide), 1/1.97", 0.7µm, PDAF, OIS2 MP, f/2.4, (depth)

Main Camera Features

LED flash, HDR, panorama
Dual-LED dual-tone flash, HDR, panorama

Front Camera

50 MP, f/1.8, (wide), 1/2.76"
16 MP, f/2.5, (wide)

Front Camera Features

N/A
N/A

Video Recording

4K@30fps, 1080p@60fps
4K@30fps, 1080p@30fps

Selfie Video

4K@30fps, 1080p@60fps
1080p@30fps

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

20000 mAh
5000 mAh

Battery Details

20000 mAh
5000 mAh

Charging Details

55W wired5W reverse wired
120W wired

Fast Charging

Wireless Charging

Build & Safety

Dimensions

184 x 83 x 29.5 mm (7.24 x 3.27 x 1.16 in)
164.6 x 75.8 x 8.8 mm (6.48 x 2.98 x 0.35 in)

Weight

640 g
201.5 g

Materials

N/A
N/A

Colors

Black, Orange
Black, Blue, Orange

Foldable

SAR

N/A
N/A

Connectivity

SIM

Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM

Network

GSM / CDMA / HSPA / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G

Network Speed

HSPA, LTE, 5G
HSPA, LTE, 5G

5G

4G

WiFi

Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct

Bluetooth

5.2, A2DP, LE
5.2, A2DP, LE, aptX HD

NFC

USB

USB Type-C, OTG
USB Type-C 2.0, OTG

IR Blaster

Headphone Jack

Radio

Positioning

GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
GPS, GLONASS, GALILEO, BDS

Audio

Stereo Speakers

Loudspeaker

Yes (100 dB)
Yes

Audio Jack

No
Yes

Software & Security

Operating System

Android 15, up to 2 major Android upgrades, DokeOS 4.2
Android 13, OriginOS 3

Fingerprint

Face Unlock

Sensors

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass