vivo Z1x vs iQOO Z7 (China): A Detailed Comparison

The budget smartphone market is fiercely competitive, and vivo consistently delivers strong contenders. Today, we're pitting the older vivo Z1x against the newer iQOO Z7 (China) to see which offers the best value. Both promise solid performance, but significant differences exist.
Phones Images

🏆 Quick Verdict

The iQOO Z7 (China) is the clear winner thanks to its significantly faster Snapdragon 782G chipset, blazing-fast 120W charging, and more modern design. While the Z1x remains a decent option, the Z7's upgrades make it a compelling choice for most users.

PHONES
Phone Names vivo Z1x vivo iQOO Z7 (China)
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 38, 40, 411, 3, 5, 8, 28, 34, 38, 39, 40, 41
5G bands-1, 5, 8, 28, 41, 77, 78 SA/NSA
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
 -CDMA2000 1x
Launch
Announced2019, September. Released 2019, September2023, March 20
StatusDiscontinuedAvailable. Released 2023, March 24
Body
BuildGlass front, plastic back, plastic frame-
Dimensions159.5 x 75.2 x 8.1 mm (6.28 x 2.96 x 0.32 in)164.6 x 75.8 x 8.8 mm (6.48 x 2.98 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight189.6 g (6.70 oz)201.5 g (7.13 oz)
Display
Resolution1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)1080 x 2388 pixels (~395 ppi density)
Size6.38 inches, 99.9 cm2 (~83.3% screen-to-body ratio)6.64 inches, 106.8 cm2 (~85.6% screen-to-body ratio)
TypeSuper AMOLEDIPS LCD, 120Hz, HDR10
 Always-on display-
Platform
CPUOcta-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)Octa-core (1x2.7 GHz Cortex-A78 & 3x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
ChipsetQualcomm SDM712 Snapdragon 712 (10 nm)Qualcomm Snapdragon 782G (6 nm)
GPUAdreno 616Adreno 642L
OSAndroid 9.0 (Pie), upgradable to Android 10, Funtouch 10Android 13, OriginOS 3
Memory
Card slotNoNo
Internal64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 UFS 2.1UFS 2.2
Main Camera
Dual-64 MP, f/1.8, (wide), 1/1.97", 0.7µm, PDAF, OIS Auxiliary lens
FeaturesLED flash, HDR, panoramaDual-LED dual-tone flash, HDR, panorama
Single-16 MP, f/2.5, (wide)
Triple48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide) Auxiliary lens-
Video4K@30fps, 1080p@30fps4K@30fps, 1080p@30fps
Selfie camera
FeaturesHDR-
Single32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm16 MP, f/2.5, (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE, aptX5.2, A2DP, LE, aptX HD
NFCNoYes
PositioningGPS, GLONASSGPS, GLONASS, GALILEO, BDS
RadioFM radioNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging22.5W wired 5W reverse wired120W wired
Type4500 mAh, non-removable5000 mAh
Misc
ColorsFusion Blue, Phantom PurpleBlack, Blue, Orange
Models1917, PD1921F_EXV2270A
PriceAbout 220 EURAbout 220 EUR
SAR1.03 W/kg (head)     0.55 W/kg (body)-

vivo Z1x

  • Very affordable
  • Decent battery life
  • Good value for basic use

  • Outdated chipset
  • Slow charging
  • Lower performance

vivo iQOO Z7 (China)

  • Fast Snapdragon 782G chipset
  • Blazing-fast 120W charging
  • Modern design
  • Improved camera performance

  • Potentially higher price than Z1x
  • Software experience may vary

Display Comparison

Both phones likely feature similar display technology (likely AMOLED or IPS LCD) with a standard refresh rate (60Hz or 90Hz). The iQOO Z7 (China) may have slightly better color accuracy and brightness due to newer panel technology, but this is not definitively confirmed without specific display specs. Screen size is likely comparable, around 6.5-6.7 inches.

Camera Comparison

While both phones likely offer a multi-camera setup (main sensor, ultrawide, macro), the iQOO Z7 (China) likely benefits from improved image processing thanks to its newer chipset. Expect better low-light performance and more detailed photos from the iQOO Z7. Specific megapixel counts are needed for a more precise comparison.

Performance

This is where the iQOO Z7 (China) shines. The Snapdragon 782G is a substantial upgrade over the Snapdragon 712. Expect significantly faster app loading, smoother multitasking, and better gaming performance on the iQOO Z7. The Z1x will feel noticeably slower by comparison.

Battery Life

The iQOO Z7 (China)'s 120W charging is a game-changer. It can likely charge from 0% to 100% in under 30 minutes. The Z1x's 22.5W charging is considerably slower. Battery capacity is likely similar (around 5000mAh), so the iQOO Z7's charging speed provides a massive advantage.

Buying Guide

Who should buy the vivo Z1x? Those seeking a very budget-friendly option and aren't overly concerned with performance or charging speed. Who should buy the vivo iQOO Z7 (China)? Anyone prioritizing performance, fast charging, and a more modern smartphone experience, even within a budget.

Frequently Asked Questions

❓ Is the vivo Z1x still worth buying in 2024?
Only if you're on an extremely tight budget and primarily need a phone for basic tasks like calling and texting. Otherwise, the iQOO Z7 offers a much better experience.
❓ What is the difference between the Snapdragon 712 and 782G?
The Snapdragon 782G is a newer and significantly more powerful chipset with improved CPU and GPU performance, resulting in faster speeds and better efficiency.