Samsung Galaxy S21 Ultra 5G (12GB RAM + 128GB) vs Poco X8 Pro 5G
# 1
# 2
Add Product
Add Product
vs# 1
# 2
Add Product
Add Product
- Like
- Comment
- Share
Overview
| Specs Score | 80 / 100 Better Specs | 76 / 100 |
| Display Resolution | 1440 x 3200 pixels Better Resolution | 2756 x 1268 pixels |
| RAM | 12 GB More RAM | 8 GB |
| Storage | 128 GB | 256 GB More Storage |
| CPU Clock Speed | 2.9 GHz | 3.4 GHz Faster Clock Speed |
| Rear Camera | 108 MP Quad Better Camera Resolution | 50 MP + 8 MP Dual |
| Front Camera | 40 MP Better Front Camera Resolution | 20 MP |
| Weight | 227 g | 201.47 g Lighter |
| Thickness | 8.9 mm | 8.38 mm Slimmer |
| Battery | 5000 mAh | 6500 mAh Bigger Battery |
| Unique Features | NFC Wireless Charging No | No No IR Blaster |
General
| Model | Galaxy S21 Ultra 5G | MZB0MVFIN, X8 Pro |
| 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 | January 14, 2021 | March 17, 2026 |
| In The Box | 1 x Handset, 1 x Adapter, 1 x Type-C USB Cable, 1 x Sim Eject Tool, 1 x Protective Case, 1 x Quick Start Guide, 1 x Warranty Card |
Design
| Dimensions | 75.6 x 165.1 x 8.9 mm | 75.19 x 157.53 x 8.38 mm |
| Weight | 227 g | 201.47 g |
| Colors | Black |
Display
| Type | Color Dynamic AMOLED 2X (16M Colors) | Color AMOLED Screen (68.7 B) |
| Touch | Yes | Yes, 480 Hz Touch Sampling Rate |
| Size | 6.8 inches, 1440 x 3200 pixels, 120 Hz | 6.59 inches, 2756 x 1268 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 515 PPI | ~ 460 PPI |
| Screen to Body Ratio | ~ 89.8% | ~ 89.8% |
| Glass Type | Corning Gorilla Glass Victus | Corning Gorilla Glass 7i |
| Brightness | 2000nts HBM ,3500nits Peak | |
| Features | Always-on Display, HDR10+ | Adaptive Refresh Rate 30(AOD)/60/90/120Hz TÜV Rheinland Low Blue light (Hardware Solution), TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, 3840Hz PWM, Dolby Vision, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 8 GB |
| RAM Type | LPDDR5X | |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 3.1 | UFS 4.1 |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 5G SA: n1/n2/n3/n5/n7/n8/n20/n28/n38/n40/n41/n48/n77/n78, 5G NSA: n1/n2/n3/n5/n7/n8/n20/n28/n38/n40/n41/n48/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, v5.2, A2DP, LE | Yes, v6.0, A2DP, LE |
| USB | Yes, USB-C v3.2 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes |
Performance
| AnTuTu Score | 2,300,000 (Total) (v11) |
Extra
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Barometer | Proximity Sensor, Ambient Light Sensor, Accelerometer, E Compass, Gyroscope, IR Blaster, Flicker Sensor |
| 3.5mm Headphone Jack | No | |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP66/IP68/IP69/ IP69K |
| Dust Resistant | Yes | Yes |
Camera
| Rear Camera | 108 MP ƒ/1.8 10 MP ƒ/4.9 (Telephoto) 10 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) | 50 MP + 8 MP |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Auto-HDR, Panorama | Dynamic Shot, Motion Capture, Documents Mode, Potrait Mode, Pro Mode, 50MP Mode, Slow Motion, Time Lapse, Voice Shutter, HDR, Panaroma, Google Lens |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30/60 fps UHD, 1080p @ 240/30/60 fps FHD, 720p @ 960 fps HD | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 40 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus | 20 MP Punch Hole |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v10 | Android v16 |
| Custom UI | HyperOS 3 | |
| Chipset | Samsung Exynos 2100 | Mediatek Dimensity 8500 Ultra |
| CPU | 2.9 GHz, Octa Core Processor | 3.4 GHz, Octa Core Processor |
| Core Details | 1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55 | 1x3.4 GHz Cortex-A725 & 3x3.2 GHz Cortex-A725 & 4x2.2 GHz Cortex-A725 |
| GPU | Mali-G78 MP14 | Mali-G720 MC8 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 6500 mAh |
| Fast Charging | Yes, 25W Fast Charging | Yes, 100W |
| Wireless Charging | Yes, 15W | |
| Reverse Charging | Yes, 4.5W | Yes, 27W |
Discuss
Be the first to leave a comment.
