Xiaomi

Xiaomi Poco X8 PRO MAX 5G 512GB ROM 12GB RAM Dual SIM GSM Unlocked - Black

Xiaomi Poco X8 PRO MAX 5G 512GB ROM 12GB RAM Dual SIM GSM Unlocked - Black

Regular price $779.99 USD
Regular price $959.99 USD Sale price $779.99 USD
Sale Sold out
Shipping calculated at checkout.

SKU: SKU:X-POCO-X8PROMX-5G-12-BK

Out of stock

Ships Today from New York

FREE Shipping on All Orders
Rear Camera 50MP
Front Camera 20MP
Quantity

📞 Need Help? Call Toll-Free: 1-844-CELLMAX

View full details

🛒 Recommended Accessories

Select an item below to automatically add to cart
Quality You Can Trust | High-quality accessories to enhance your experience.
  • MYWORLDPHONE CUSTOMER REVIEWS

    4.8

    OUT OF 5

    ⭐⭐⭐⭐⭐

    Based on reviews

    Excellent

  • ⭐⭐⭐⭐⭐

    "Fast shipping, genuine phone, exactly as described!"

    -Nova

  • ⭐⭐⭐⭐⭐

    "Best place to buy unlocked phones. Highly recommend!"

    -Jake.

  • ⭐⭐⭐⭐⭐

    "Impressed with the quality and customer service."

    -Fried Johnson
25 Years of Experience
NY Based Inventory
Same-Day Shipping
Trusted Partner
100% Unlocked Devices
Free Shipping
  • 25+ Years of Experience in Business

  • Same-Day Shipping from New York

  • 100% Genuine Unlocked Devices

  • Huge Selection of Smartphones

  • Free Shipping

MyWorldPhone.com

POCO X8 Pro Max 5G AI

Flagship Gaming Power. Massive Battery. Black Edition.

Built for demanding mobile gamers with Dimensity 9500s flagship performance, advanced IceLoop cooling, WildBoost optimization, a massive 8500mAh battery, and ultra-fast 100W HyperCharge.

512GB Storage 12GB RAM Dimensity 9500s 8500mAh Battery 100W HyperCharge
⭐ 25+ Years Experience • 🚚 Same Day Shipping • 📦 Ships from New York

Ultra-Fast Flagship Performance

The POCO X8 Pro Max is engineered for high-performance gaming, intensive multitasking, streaming, and demanding everyday applications.

Dimensity 9500s 3nm Flagship Platform

Built on a second-generation 3nm manufacturing process, the Dimensity 9500s features an all-big-core architecture with clock speeds reaching up to 3.73GHz for exceptional speed, efficiency, and responsiveness.

Built for Serious Mobile Gaming

Powerful flagship processing and intelligent performance optimization work together to deliver fast response, sustained performance, and smoother gameplay during demanding gaming sessions.

POCO 3D IceLoop Cooling System

An advanced cooling architecture helps efficiently transfer heat away from critical internal components, allowing the phone to maintain stronger performance under demanding workloads.

5800mm² Ultra-Large LHP Area

The ultra-large 3D IceLoop cooling pump covers core heat sources and works together with an expansive graphite layer to maximize heat dissipation.

11,000mm² Graphite Layer

A large graphite heat-dissipation layer further improves thermal management, helping maintain consistent performance during gaming and other intensive tasks.

WildBoost Optimization

Intelligent WildBoost optimization is designed to improve gaming stability by managing performance requirements during demanding gameplay.

Frame Recovery Under Heavy Load

The system predicts per-frame computing demand during each frame-generation cycle, allowing proactive intervention to help prevent frame drops and maintain higher, more stable frame rates.

Performance Meets Efficiency

Advanced processing and gaming optimization help balance high performance with reduced power consumption, even during demanding workloads.

Massive 8500mAh Battery

The huge 8500mAh typical battery capacity is designed for exceptional endurance, giving you more time for gaming, streaming, browsing, and everyday use between charges.

High-Density Silicon-Carbon Battery

Featuring 16% ultra-high silicon-carbon content and energy density of 847 Wh/L, the advanced battery design delivers substantial capacity for extended daily use.

100W HyperCharge

Ultra-fast 100W HyperCharge provides on-demand power, capable of recharging the battery to 50% in approximately 24 minutes under supported charging conditions.

100W PPS Universal Charging

Support for the 100W PPS universal charging protocol provides greater flexibility with compatible fast-charging equipment.

Immersive 6.83” Display

The expansive 6.83-inch screen gives games, movies, videos, apps, and everyday content more room to shine for an immersive mobile experience.

50MP Camera

Capture detailed everyday photos and memorable moments with the high-resolution 50MP camera system.

512GB Storage + 12GB RAM

Massive internal storage provides plenty of room for large games, apps, photos, videos, and files, while 12GB of RAM supports demanding multitasking.

Fast 5G Connectivity

Enjoy high-speed mobile connectivity for online gaming, streaming, downloads, video calls, and everyday use on compatible 5G networks.

Dual SIM Flexibility

Dual SIM support makes it convenient to manage two mobile lines for personal use, business, or international travel.

Black Edition

A sleek Black finish complements the powerful gaming-focused hardware with a clean and modern appearance.

Unlocked for GSM & Global Use

Designed for use with compatible GSM carriers including T-Mobile, Mint Mobile, Tello, and supported networks worldwide. Carrier compatibility depends on network bands and local carrier requirements.

Important Information

  • Model: Xiaomi POCO X8 Pro Max 5G AI
  • Color: Black
  • 512GB Internal Storage
  • 12GB RAM
  • 6.83” Display
  • Dimensity 9500s 3nm Flagship Platform
  • All-Big-Core CPU Architecture
  • Maximum Clock Speed up to 3.73GHz
  • 50MP Camera
  • POCO 3D IceLoop Cooling System
  • 5800mm² Ultra-Large LHP Cooling Area
  • 11,000mm² Graphite Heat-Dissipation Layer
  • WildBoost Gaming Optimization
  • 8500mAh Typical Battery
  • 16% Silicon-Carbon Battery Content
  • 100W HyperCharge
  • 100W PPS Universal Charging Support
  • Dual SIM
  • Factory Unlocked – GSM
  • Compatible with T-Mobile, Mint Mobile, Tello and supported global GSM networks
  • Please confirm carrier compatibility before purchase

POCO X8 Pro Max 5G AI – Built for Gaming

Flagship 3nm performance, advanced IceLoop cooling, WildBoost gaming optimization, a huge 8500mAh battery, 100W HyperCharge, and massive 512GB storage make the POCO X8 Pro Max a powerhouse for demanding mobile users.

Network Technology GSM / HSPA / LTE / 5G
Launch Announced 2026, March 17
Status Available. Released 2026, March 17
Body Dimensions 162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in)
Weight 218 g (7.69 oz)
Build Glass front (Gorilla Glass 7i), aluminum frame, glass-fiber reinforced plastic back
SIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
IP69K (market/region dependent)
Display Type AMOLED, 68B colors, 120Hz, 3840Hz PWM, Dolby Vision, HDR10+, 2000 nits (HBM), 3500 nits (peak)
Size 6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Resolution 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Protection Corning Gorilla Glass 7i, Mohs level 5
Platform OS Android 16, HyperOS 3
Chipset Mediatek Dimensity 9500s (3 nm)
CPU Octa-core (1x3.73 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Immortalis-G925 MC12
Memory Card slot No
Internal 256GB 12GB RAM, 512GB 12GB RAM
UFS 4.1
Main Camera Dual 50 MP, f/1.5, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS
8 MP, f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm
Features LED flash, HDR, panorama
Video 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Selfie camera Single 20 MP, f/2.2, (wide), 1/4"
Video 1080p@30/60fps
Sound Loudspeaker Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack No
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
Comms WLAN Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth 6.0, A2DP, LE, aptX HD, LHDC 5, Auracast, ASHA
Positioning GPS (L1+L5), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L1+L5), GLONASS
NFC Yes (market/region dependent)
Infrared port Yes
Radio No
USB USB Type-C 2.0, OTG
Features Sensors Fingerprint (under display, ultrasonic), accelerometer, gyro, compass, proximity
Battery Type Si/C Li-Ion 8500 mAh or 9000 mAh (market/region dependent)
Charging 100W wired, 100W PPS, PD3.0, PPS, 50% in 24 min
27W reverse wired
Bypass charging
Misc Colors Black, White, Blue
Models 2602BPC18G
Our Tests Performance AnTuTu: 2445108 (v10), 2791128 (v11)
GeekBench: 8539 (v6)
3DMark: 6229 (Wild Life Extreme)
Display 1114 nits max brightness (measured)
Loudspeaker -20.9 LUFS (Excellent)
Battery
Active use score 25:22h
EU LABEL Energy Class B
Battery 80:14h endurance, 1000 cycles
Free fall Class B (180 falls)
Repairability Class C
Warranty No Warranty
1pcsXiaomi Poco X8 PRO MAX 5G
1pcsBattery. 
1pcsHome Charger. 
1pcsHeadphone. 
1pcsData Cable. 
1pcsUser Manual.