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Smartphone comparison

POCO F8 Ultra vs Xiaomi 18 Pro Max

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
POCO F8 Ultra

POCO F8 Ultra

  • About 120 Hz display refresh rate.
  • About 6.9 inch screen.
  • Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) processor.
  • Storage: UFS 4.1.
  • 6,500 mAh battery capacity.
KSh 106,000In Stock
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02
Xiaomi 18 Pro Max

Xiaomi 18 Pro Max

  • About 120 Hz display refresh rate.
  • About 6.9 inch screen.
  • Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm) processor.
  • Storage: UFS 4.1.
  • 8,500 mAh battery capacity.
KSh 170,000Out of Stock

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2 spaces available

Xiaomi 15KSh 104,000
Poco F9 UltraKSh 106,000
OnePlus 15 5GKSh 114,000
Xiaomi 17T ProKSh 98,000
Samsung Galaxy S25 UltraKSh 113,000
Google Pixel 9 Pro XLKSh 109,000
OnePlus 15TKSh 98,000
2 of 4 products

Our quick verdict

With the same 6.9-inch OLED screen and IP68 rating, the Xiaomi 18 Pro Max has a bigger battery (8,500 mAh), runs newer Android 17 and has a higher-resolution main camera (200 MP) and sharper selfies (50 MP), while the POCO F8 Ultra offers video output to a monitor over USB-C and is lighter (218 g).

Display

POCO F8 Ultra
1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)
Xiaomi 18 Pro Max
1208 x 2624 pixels, 19.5:9 ratio (~418 ppi density)

Performance

POCO F8 Ultra
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) processor
Xiaomi 18 Pro Max
Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm) processor

Battery capacity

POCO F8 Ultra
6,500 mAh battery capacity
Xiaomi 18 Pro Max
8,500 mAh battery capacity

Software

POCO F8 Ultra
Runs Android 16, HyperOS 3
Xiaomi 18 Pro Max
Runs Android 17, HyperOS 4

Storage

POCO F8 Ultra
Up to 512 GB storage
Xiaomi 18 Pro Max
Up to 1 TB storage

Key differences

The main differences to help you choose.

POCO F8 Ultra

  • Lighter: 218 g (vs 235 g).
  • Video output to an external display over USB-C.
  • Video output to a monitor over USB-C (DisplayPort).

Xiaomi 18 Pro Max

  • Bigger battery: 8,500 mAh (vs 6,500 mAh).
  • Higher rated immersion depth: 6 m (vs 1.5 m), both IP68.
  • Higher-resolution main camera: 200 MP (vs 50 MP).
  • Newer Android 17 (vs Android 16).
  • Higher-resolution selfie camera: 50 MP (vs 32 MP).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityPOCO F8 UltraXiaomi 18 Pro Max
Display6.9-inch OLED display, 120 Hz, 416 ppi6.9-inch OLED display, 120 Hz, 418 ppi
Camera50 MP main camera with OIS, plus a 5x telephoto camera200 MP main camera with OIS, plus a 3.2x telephoto camera
PerformanceQualcomm Snapdragon 8 Elite Gen 5 processorQualcomm Snapdragon 8 Elite Extreme Gen 6 processor
StorageUp to 512 GB storageUp to 1 TB storage
Battery capacity6,500 mAh battery8,500 mAh battery
Weight218 g235 g

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
BrandPOCOXiaomi
ModelF8 Ultra18 Pro Max
Announced2025, November 262026, September 23
Release statusAvailable. Released 2025, November 26Available. Released 2026, September 23
Model numbers25102PCBEG2611FPNFAG

Design

Design specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
Dimensions163.3 x 77.8 x 7.9 mm or 8.3 mm163.4 x 77.6 x 8.4 mm (6.43 x 3.06 x 0.33 in)
Weight218 g or 220 g (7.69 oz)235 g or 240 g (8.29 oz)
Build materialsGlass front (Poco Shield Glass), aluminum frame, glass-fiber reinforced plastic back or silicone polymer backGlass front (Dragon Crystal Glass 3), aluminum frame

Display

Display specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
Display6.9 inches, 116.6 cm2 (~91.8% screen-to-body ratio); AMOLED, 68B colors, 2560Hz PWM, 120Hz, Dolby Vision, HDR10+, 2000 nits (HBM), 3500 nits (peak)6.9 inches, 116.2 cm2 (~91.6% screen-to-body ratio); LTPO AMOLED, 68B colors, 2160Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, BT.2020, 4000 nits (peak)
Screen resolution1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)1208 x 2624 pixels, 19.5:9 ratio (~418 ppi density)
Display protectionPoco Shield GlassXiaomi Dragon Crystal Glass 3
Display featuresAMOLED, 68B colors, 2560Hz PWM, 120Hz, Dolby Vision, HDR10+, 2000 nits (HBM), 3500 nits (peak)Secondary display (on the back): LTPO AMOLED, 120Hz, Dolby Vision, HDR Vivid, HDR10+, BT.2020, 4000 nits (peak) 2.9 inches, 596 x 976 pixels

Performance

Performance specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
ProcessorQualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm)
CPUOcta-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)Octa-core (2x5.01 GHz Prime + 3x4.03 GHz Performance + 3x3.74 GHz Performance)
GPUAdreno 840Adreno 850

Memory & Storage

Memory & Storage specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
RAM12GB, 16GB12GB / 16GB
Storage256GB, 512GB256GB / 512GB / 1TB
Storage technologyUFS 4.1UFS 4.1
Expandable storageNoNo
Memory configurations256GB 12GB RAM, 512GB 16GB RAM256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

Cameras

Cameras specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
Rear camera50 MP, f/1.7, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/3.0, 115mm (periscope telephoto), 1/2.76", 0.64µm, PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP, f/2.4, 18mm, 102˚ (ultrawide), 1/2.88", 0.61µm200 MP, f/1.7, 23mm (wide), 1/1.28", 0.61µm, dual pixel PDAF, OIS 200 MP, f/2.4, 75mm (periscope telephoto), 1/1.56", PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP, f/2.4, 17mm, 102˚ (ultrawide), 1/2.88", 0.61µm, PDAF
Front camera32 MP, f/2.2, 21mm (wide), 1/3.44", 0.64µm50 MP, f/2.2, 21mm (wide), 1/2.88", 0.61µm, PDAF
Rear camera featuresColor spectrum sensor, LED flash, HDR, panoramaLaser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama
Rear camera video8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+8K@30fps (HDR), 4K@30/60/120fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Front camera featuresHDRHDR, panorama
Front camera video4K@30fps, 1080p@30/60fps4K@30/60fps, 1080p@30/60fps, HDR10+, gyro-EIS

Battery & Charging

Battery & Charging specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
Battery6500 mAhSi/C Li-Ion 8500 mAh
Charging100W wired, PD3.0, QC3+, 100W PPS, 100% in 38 mins 50W wireless, 50% in 31 mins 22.5W reverse wireless100W wired, PD3.0, QC3+, 100W PPS 50W wireless 27W reverse wireless

Software

Software specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
Operating systemAndroid 16, HyperOS 3Android 17, HyperOS 4

Network

Network specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
NetworkGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) · Nano-SIM + Nano-SIM + eSIM (max 2 at a time)Nano-SIM + Nano-SIM
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66, 711, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 34, 38, 39, 40, 41, 42, 43, 48, 66, 71
5G bands1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 29, 38, 40, 41, 48, 66, 70, 71, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA
Network speedHSPA, LTE, 5GHSPA, LTE, 5G

Connectivity

Connectivity specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
NFCYes (market/region dependent)Yes
Bluetooth6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5.0, ASHA, MIHC6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
Wi-FiWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct
PositioningGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASSGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
RadioNoNo
USBUSB Type-C 3.2, OTG, video outputUSB Type-C 3.2, Display Port, OTG
InfraredYesYes
Ultra Wideband (UWB)—Ultra Wideband (UWB) support

Durability

Durability specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
Water resistanceIP68 dust tight and water resistant (immersible up to 1.5m for 30 min)IP68 dust tight and water resistant (immersible up to 6m for 30 min)

Features

Features specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
SensorsFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compassFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
ColorsBlack, White, Denim BlueBlack, White, Pink, Red, Blue
Additional features—Ultra Wideband (UWB) support

Audio

Audio specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
LoudspeakersYes, with stereo speakers (with Dolby Atmos)Yes, with stereo speakers (3 speakers, with Dolby Atmos)
3.5 mm headphone jackNoNo
Audio featuresTuned by Bose; Bose 2.1 stereo sound system with a woofer; 24-bit/192kHz Hi-Res & Hi-Res wireless audio24-bit/192kHz Hi-Res & Hi-Res wireless audio; Snapdragon sound

Tests

Tests specifications comparison
SpecificationPOCO F8 UltraXiaomi 18 Pro Max
Performance benchmarksAnTuTu: 2720760 (v10), 3887841 (v11) GeekBench: 10876 (v6) 3DMark: 6864 (Wild Life Extreme)—
Measured display brightness1077 nits max brightness (measured)—
Measured loudspeaker loudness-26.0 LUFS (Very good)—
Active use battery scoreActive use score 18:52h—

Similarities

  • Both are rated IP68.
  • Both have optical image stabilisation.
  • Both support Wi-Fi 7.
  • Both use Bluetooth 6.0.
  • Both have NFC.
  • Both have an aluminium frame.

In summary

For most buyers the Xiaomi 18 Pro Max is the better buy; the POCO F8 Ultra makes sense if you want video output to a monitor over USB-C.

Back to compared products ↑

In-stock alternatives

Xiaomi 15For POCO F8 UltraXiaomi 15View product ↗Google Pixel 11 256GBFor POCO F8 UltraGoogle Pixel 11 256GBView product ↗OnePlus 15 5GFor Xiaomi 18 Pro MaxOnePlus 15 5GView product ↗

Related comparisons

OnePlus 15 5GXiaomi 18 Pro MaxXiaomi 15Xiaomi 15 UltraOnePlus 15 5GPOCO F8 Ultra

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