Asus Zenfone Max (M1) ZB555KL vs vivo iQOO 15R 5G: Which One Should You Buy?

vivo iQOO 15R 5G edges ahead with a BeastScore of 85.9/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Asus

Asus Zenfone Max (M1) ZB555KL

Asus Zenfone Max (M1) ZB555KL
86/ 100
Launch pricePrice on request
Vivo

vivo iQOO 15R 5G

vivo iQOO 15R 5G
86/ 100
Launch pricePrice on request
Head-to-head

vivo iQOO 15R 5G wins 2 of 3 categories

Here's exactly where each phone is stronger.

Asus Zenfone Max (M1) ZB555KL
Asus Zenfone Max (M1) ZB555KL
0 wins
vivo iQOO 15R 5G
vivo iQOO 15R 5G
2 wins
At a glance

Bigger shape = better phone.

SpeedBatteryDisplay
Asus Zenfone Max (M1) ZB555KLvivo iQOO 15R 5G
Category winners

Scores out of 100. "From specs" scores compare only the specs both phones list. How we score

  • Speedfrom specsvivo iQOO 15R 5G
    45
    90
  • CameraNot enough data
  • VideoNot enough data
  • SelfieNot enough data
  • Batteryfrom specsvivo iQOO 15R 5G
    33
    100
  • Displayfrom specsTie
    88
    88
  • ConnectivityNot enough data
  • SecurityNot enough data
  • ValueNot enough data
Key differences
  • vivo iQOO 15R 5G has the bigger battery7,600 mAh vs 4,000 mAh
  • vivo iQOO 15R 5G has the bigger screen6.59" vs 5.5"
  • vivo iQOO 15R 5G has more RAM12 GB vs 3 GB
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy Asus Zenfone Max (M1) ZB555KL
  • ✓50 MP main camera
  • ✓5.5" display at 120 Hz
Reasons to buy vivo iQOO 15R 5G
  • ✓Bigger 7,600 mAh battery (+3,600 mAh)
  • ✓6.59" display at 120 Hz

Full specifications

Swipe ⇄
SpecificationAsus Zenfone Max (M1) ZB555KLvivo iQOO 15R 5G
1. Display & Screen
Screen typeNot listedAMOLED
Screen Size5.5"6.59"
Resolution & DensityN/A FHD+ / LTPO AMOLED
Refresh Rate120 Hz120 Hz
BrightnessN/AN/A
Screen ProtectionNot listedNot listed
2. Platform & Performance🏆 vivo iQOO 15R 5G Wins Performance
Chipset / ProcessorSnapdragon 425 Snapdragon 8 Gen 5
CPU CoresNot listedNot listed
GPU GraphicsNot listedNot listed
Operating SystemAndroid 15 Android
3. Memory & Storage
RAM Memory3 GB LPDDR12 GB LPDDR
Internal Storage32 GB512 GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics
Primary Camera50 MP, 50MP Main + Depth Sensorundefined MP, Triple Camera System
Telephoto ZoomNone (digital zoom only)None (digital zoom only)
Ultrawide CameraN/AN/A
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lens16 MPundefined MP
7. Body & Dimensions
DimensionsN/AN/A
WeightN/AN/A
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceNot listedNot listed
8. Battery & Charging🏆 vivo iQOO 15R 5G Wins Battery
Battery Capacity4,000 mAh7,600 mAh
Wired Fast ChargingN/AFast charging
Wireless ChargingNot listedNot listed
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardNot listedNot listed
BluetoothNot listedNot listed
USB Port & SpeedNot listedNot listed
NFCYesYes
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch PricePrice on requestPrice on request
Our verdict

vivo iQOO 15R 5G wins — BeastScore 85.9/100

The vivo iQOO 15R 5G is the better pick for most people thanks to its bigger battery (7,600 mAh vs 4,000 mAh) and bigger screen (6.59" vs 5.5").

Buy Asus Zenfone Max (M1) ZB555KL if you want

Reliable all-round performance.

Buy vivo iQOO 15R 5G if you want

Larger battery: 7,600 mAh vs 4,000 mAh · Larger display: 6.59" vs 5.5"

Common questions

Which is better: Asus Zenfone Max (M1) ZB555KL or vivo iQOO 15R 5G?

The vivo iQOO 15R 5G is the better pick for most people thanks to its bigger battery (7,600 mAh vs 4,000 mAh) and bigger screen (6.59" vs 5.5"). BeastScore: Asus Zenfone Max (M1) ZB555KL 86.0/100, vivo iQOO 15R 5G 85.9/100.

What are the main battery and display differences between Asus Zenfone Max (M1) ZB555KL and vivo iQOO 15R 5G?

Asus Zenfone Max (M1) ZB555KL has a 5.5-inch display and 4000 mAh battery. vivo iQOO 15R 5G has a 6.59-inch display and 7600 mAh battery.

Similar Smartphones

Gear for the vivo iQOO 15R 5G

All Amazon Finds →

Related articles

All articles →
Samsung Odyssey Neo G9 57" vs. Odyssey OLED G9 49" vs. ASUS ROG Swift PG49WCD vs. LG UltraGear 45GS96QB: The Definitive Flagship Super Ultrawide & Curved Gaming Monitor Architecture, Dual 4K 7680x2160 vs. Dual QHD QD-OLED, DisplayPort 2.1 Bandwidth (UHBR 13.5/20), 240Hz Refresh Rates, 2,392 Mini-LED Local Dimming Zones vs. Infinite Contrast OLED, KVM Multitasking, and GPU Driveability Shootout (2026)Flagship Monitor Shootout
16 min read

Samsung Odyssey Neo G9 57" vs. Odyssey OLED G9 49" vs. ASUS ROG Swift PG49WCD vs. LG UltraGear 45GS96QB: The Definitive Flagship Super Ultrawide & Curved Gaming Monitor Architecture, Dual 4K 7680x2160 vs. Dual QHD QD-OLED, DisplayPort 2.1 Bandwidth (UHBR 13.5/20), 240Hz Refresh Rates, 2,392 Mini-LED Local Dimming Zones vs. Infinite Contrast OLED, KVM Multitasking, and GPU Driveability Shootout (2026)

A comprehensive architectural shootout of the world's most advanced curved super ultrawide monitors. We compare Samsung's 57-inch Dual 4K Quantum Mini-LED titan against 49-inch Gen 2 QD-OLEDs and LG's 45-inch 800R curved WOLED across DisplayPort 2.1 bandwidth tunneling, 240Hz motion clarity, text rendering subpixel matrices, multi-window KVM workflows, and GPU horsepower requirements.

Read →
UGREEN NASync DXP4800 Plus vs. Synology DiskStation DS923+ vs. QNAP TS-464 vs. Asustor Lockerstor 4 Gen3 (AS6804T): The Definitive Flagship 4-Bay NAS Architecture, 10GbE Networking, Intel Core i5 vs. AMD Ryzen vs. Celeron Silicon, Plex 4K Hardware Transcoding, M.2 NVMe Storage Pools, and Private Cloud OS Showdown (2026)Prosumer NAS Flagship Shootout
14 min read

UGREEN NASync DXP4800 Plus vs. Synology DiskStation DS923+ vs. QNAP TS-464 vs. Asustor Lockerstor 4 Gen3 (AS6804T): The Definitive Flagship 4-Bay NAS Architecture, 10GbE Networking, Intel Core i5 vs. AMD Ryzen vs. Celeron Silicon, Plex 4K Hardware Transcoding, M.2 NVMe Storage Pools, and Private Cloud OS Showdown (2026)

We compared the four leading 4-bay prosumer NAS appliances across 10GbE multi-gig sequential throughput, Plex 4K HEVC/AV1 hardware transcoding, dual M.2 NVMe SSD storage pools, Docker container workloads, and OS security models. Here is the definitive data-driven benchmark breakdown.

Read →
TP-Link Deco BE85 vs. ASUS ROG Rapture GT-BE98 Pro vs. Netgear Orbi 970 vs. Amazon eero Max 7: The Definitive Flagship WiFi 7 Mesh & Gaming Router Architecture, 320MHz Channels, 4K-QAM, Multi-Link Operation (MLO), 10Gbps Multi-Gig WAN/LAN, Broadcom vs. Qualcomm Silicon, and Real-World Latency Showdown (2026)Flagship WiFi 7 Shootout
18 min read

TP-Link Deco BE85 vs. ASUS ROG Rapture GT-BE98 Pro vs. Netgear Orbi 970 vs. Amazon eero Max 7: The Definitive Flagship WiFi 7 Mesh & Gaming Router Architecture, 320MHz Channels, 4K-QAM, Multi-Link Operation (MLO), 10Gbps Multi-Gig WAN/LAN, Broadcom vs. Qualcomm Silicon, and Real-World Latency Showdown (2026)

An exhaustive architectural and benchmark breakdown of the top 4 flagship WiFi 7 networking systems—analyzing 320MHz channel bonding, Multi-Link Operation (MLO) aggregation, Broadcom BCM4916 vs. Qualcomm Networking Pro 1220/1620 processors, 10GbE backhaul throughput, and ultra-low jitter VR/gaming performance.

Read →