Both Realme 6 Pro (8GB RAM + 128GB) and OnePlus Z comes with same RAM.Neither of them has front Flash. Both have the same amount of internal memory.
| Name | Realme 6 Pro (8GB RAM + 128GB) | OnePlus Z | 
| RAM | 8 GB | 8 GB | 
|---|---|---|
| Display | 6.6 in | 6.55 in | 
| Internal Memory | 128 GB | 128 GB | 
| Battery | 4300 mAh | 4300 mAh | 
| Camera | 64 MP Quad | 64 MP + 16 MP + 2 MP Triple | 
| Price | Rs. 15999 | Rs. 24999 | 
The launch Date of the first phone is March 5, 2020. The cost of Realme 6 Pro (8GB RAM + 128GB) is Rs. 15999. The cost of OnePlus Z is Rs. 24999.
OnePlus Z has screen size of 6.55 inches which falls short to Realme 6 Pro (8GB RAM + 128GB)'s 6.6 inch screen. Realme 6 Pro (8GB RAM + 128GB) has IPS LCD Screen type where as OnePlus Z has Super AMOLED Screen type. OnePlus's phone has display density of 402 PPI & Realme's phone has only 395 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 90.6% than OnePlus's phone ~ 85.16%. Both mobiles have same aspect ratio of 20:9.
Both mobiles come with 8 GB RAM and both have same Internal Memory of 128 GB.
They both have the same 64 MP Quad Rear Camera.Realme 6 Pro (8GB RAM + 128GB) has 16 MP + 8 MP Dual Front Camera in comparison to OnePlus Z's 16 MP Front Camera.
Both the phones run on Android Operating System Version 10.
| Name | Realme 6 Pro (8GB RAM + 128GB) | OnePlus Z | 
| General | ||
| Model | 6 Pro | Z | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano+Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| Release Date | March 5, 2020 | |
| Design | ||
| Dimensions | 75.8 x 163.8 x 9.4 mm | 74 x 159.2 x 8.6 mm | 
| Weight | 195 g | |
| Display | ||
| Type | Color IPS LCD Screen (16.7M) | Color Super AMOLED Screen (16M Colors) | 
| Touch | Yes | Yes | 
| Size | 6.6 inches, 1080 x 2400 pixels, 90 Hz | 6.55 inches, 1080 x 2400 pixels, 90 Hz | 
| Aspect Ratio | 20:9 | 20:9 | 
| PPI | ~ 395 PPI | ~ 402 PPI | 
| Screen to Body Ratio | ~ 90.6% | ~ 85.16% | 
| Glass Type | Corning Gorilla Glass 5 | |
| Notch | Yes, Dual Punch Hole | Yes, Punch Hole | 
| Memory | ||
| RAM | 8 GB | 8 GB | 
| Storage | 128 GB | 128 GB | 
| Card Slot | Yes, upto 256 GB | No | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | No | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Bluetooth | Yes, v5.0 | Yes, v5.0 | 
| USB | Yes, USB-C | Yes, USB-C | 
| USB Features | USB on-the-go, USB Charging | USB Charging | 
| Extra | ||
| GPS | with A GPS, Glonass, Beidou, NavIC | yes with A-GPS, Glonass | 
| Fingerprint Sensor | Yes, Side | Yes, In Display | 
| Face Unlock | Yes | Yes | 
| Sensors | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope | 
| 3.5mm Headphone Jack | Yes | Yes | 
| Splash Resistant | Yes | |
| Extra Features | UFS 2.1 | |
| Camera | ||
| Rear Camera | 64 MP ƒ/1.8 (Main) 8 MP ƒ/2.3 (Wide Angle) 12 MP ƒ/2.5 (Telephoto) 2 MP ƒ/2.4 (Macro) Macro | 64 MP ƒ/2 (Wide Angle) 16 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro | 
| Camera Sensor | Sony IMX586 | |
| Auto Focus | Yes | Yes | 
| Features | AI HDR, AI Beauty, AI Scene Recognition, Chrome Boost, Filter Mode, Panorama | Digital Zoom, Auto Flash, Face detection, Touch to focus | 
| Video Recording | 1080p @ 30/60 fps FHD, 720p @ 30/60 fps HD, 4K @ 30 fps UHD | 1080p @ 30 fps FHD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 16 MP ƒ/2 (Main) 8 MP ƒ/2.2 (Ultra Wide) | 16 MP | 
| Front Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD | 
| Technical | ||
| OS | Android v10, upgradable to v11 | Android v10 | 
| Chipset | Qualcomm Snapdragon 720G | Qualcomm Snapdragon 765G | 
| CPU | 2.3 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor | 
| Core Details | 2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver | 1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver | 
| GPU | Adreno 618 | Adreno 620 | 
| Java | No | No | 
| Browser | Yes, supports HTML5 | Yes, supports HTML5 | 
| Multimedia | ||
| Yes | Yes | |
| Music | MP3 | Yes | 
| Video | MP4 | Yes | 
| FM Radio | Yes | No | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 4300 mAh, Li-ion Battery | 4300 mAh, Li-ion Battery | 
| Fast Charging | Yes, 30W Flash Charge | Yes, 30W Warp Charging |