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

