Asus ZenFone 5Z (ZS620KL) vs OnePlus 6
A spec-by-spec comparison of the Asus ZenFone 5Z (ZS620KL) and the OnePlus 6, taken from their full specification sheets. Green marks the better value in each measured row.
Head to head
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| Our rating | 8/10 | 8/10 |
| Battery | 3,300 mAh | 3,300 mAh |
| Wired charging | 18W | 20W |
| RAM (max) | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Screen size | 6.2 in | 6.28 in |
| Main camera | 12 MP | 20 MP |
| Weight (lower is lighter) | 165 g | 177 g |
| Released | Jun 2018 | May 2018 |
Summary: Asus ZenFone 5Z (ZS620KL) is ahead on weight (lower is lighter). OnePlus 6 is ahead on wired charging, screen size, main camera.
★ Which should you buy? OnePlus 6 is the stronger overall pick on the measured specs.
Researched with AI assistance by infozme.com from manufacturer and retailer sources — see how we research & rate phones.
Display
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| Type | Super IPS+ LCD, 90% screen-to-body ratio, DCI-P3, 550 nits brightness | Optic AMOLED |
| Size | 6.2 inches | 6.28 inches, 98.4 cm2 (~83.8% screen-to-body ratio) |
| Resolution | 1080 x 2246 pixels, 19:9 ratio (~402 ppi density) | 1080 x 2280 pixels, 19:9 ratio (~402 ppi density) |
| Protection | Corning Gorilla Glass | Corning Gorilla Glass 5 |
Platform
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| OS | Android 8.0 (Oreo), upgradable to Android 10, ZenUI 5 | Android 8.1 (Oreo), upgradable to Android 11, OxygenOS 11.1.1.1 |
| Chipset | Qualcomm Snapdragon 845 (10 nm) | Qualcomm SDM845 Snapdragon 845 (10 nm) |
| CPU | Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) | Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) |
| GPU | Adreno 630 | Adreno 630 |
Memory
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| Card slot | microSDXC (uses shared SIM slot, up to 2TB) | No |
| Internal | 64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM (UFS 2.1) | 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
Main Camera
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| Dual | 12 MP, f/1.8, 24mm (wide), 1/2.55", 1.4µm, Dual Pixel PDAF, 4-axis OIS (Sony IMX363 sensor) + 8 MP, f/2.0, 12mm (ultrawide), 1/4", 1.12µm | 16 MP, f/1.7, 27mm (wide), 1/2.8", 1.12µm, PDAF, OIS
20 MP, f/1.7, 27mm (wide), 1/2.8", 1.0µm, PDAF |
| Features | Dual-LED dual-tone flash, HDR, panorama, AI Scene Detection, AI Photo Learning, Real-time Portrait, Real-time Beautification | Dual-LED flash, HDR, panorama |
| Video | 4K@30/60fps, 1080p@30/60fps, EIS (gyro), OIS | 4K@30/60fps, 1080p@30/60/240fps, 720p@480fps, Auto HDR, gyro-EIS |
Selfie Camera
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| Single | 8 MP, f/2.0, 24mm (wide), 1/4", 1.12µm | 16 MP, f/2.0, 25mm (wide), 1/3.06", 1.0µm |
| Features | HDR, EIS | Auto-HDR, gyro-EIS |
| Video | 1080p@30fps | 1080p@30fps |
Battery
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| Type | Li-Po 3300 mAh, non-removable | Li-Po 3300 mAh, non-removable |
| Charging | 18W wired, QC3.0 | 20W wired (Dash Charge) |
Body
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| Dimensions | 153 x 75.7 x 7.7 mm | 155.7 x 75.4 x 7.8 mm (6.13 x 2.97 x 0.31 in) |
| Weight | 165 g | 177 g (6.24 oz) |
| Build | Glass front (Corning Gorilla Glass), glass back, aluminum frame | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
Comms
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot, 2x2 MIMO | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Bluetooth | 5.0, A2DP, LE, aptX HD | 5.0, A2DP, LE, aptX HD |
| Positioning | GPS, GLONASS, BDS, GALILEO, QZSS (A-GPS) | GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a) |
| NFC | Yes | Yes |
| Radio | FM radio | No |
| USB | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, OTG |
Launch
| Asus ZenFone 5Z (ZS620KL) | OnePlus 6 |
|---|
| Announced | February 2018 (MWC 2018) | 2018, May 02 |
| Status | Available. Released June 2018 (global), August 2018 (US) | Available. Released 2018, May 17 |
Frequently asked questions
Which is lighter, Asus ZenFone 5Z (ZS620KL) or OnePlus 6?
Asus ZenFone 5Z (ZS620KL) — 165 g for the Asus ZenFone 5Z (ZS620KL) versus 177 g for the OnePlus 6.
Which is newer, Asus ZenFone 5Z (ZS620KL) or OnePlus 6?
Asus ZenFone 5Z (ZS620KL) — Jun 2018 for the Asus ZenFone 5Z (ZS620KL) versus May 2018 for the OnePlus 6.
Is the Asus ZenFone 5Z (ZS620KL) or the OnePlus 6 rated higher?
We rate the Asus ZenFone 5Z (ZS620KL) 8/10 and the OnePlus 6 8/10.
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