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Samsung Galaxy S21+

Device A

Galaxy S21+

Samsung · Phones

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Xiaomi Poco X8

Device B

Poco X8

Xiaomi · Phones

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Complete comparison

Full specifications

Every available group and stored value, aligned by field.

LAUNCH DATE3 fields
SpecificationGalaxy S21+Poco X8
AnnouncedJanuary 29, 20212026, September 01
Released2021-01-292026-09-11
StatusAvailableAvailable
NETWORK6 fields
SpecificationGalaxy S21+Poco X8
2G BandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM: B2/B3/B5/B8
3G BandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100; CDMA2000 1xEV-DOWCDMA: B1/B2/B4/B5/B8
4G LTE1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G996U1; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G996BLTE FDD: B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B66/B71; LTE TDD: B38/B40/B41/B42/B48
5G2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G996U1; 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G996Bn1/2/3/5/7/8/20/28/38/40/41/66/77/78/71/26/48
SpeedLTE, 5GLTE, 5G
Technology5G/4G/LTE/GSM5G / 4G / 3G / 2G
BODY5 fields
SpecificationGalaxy S21+Poco X8
BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frameGlass front (Gorilla Glass Victus 2), Plastic back, Plastic frame
Dimensions161.5 x 75.6 x 7.8 mm (6.36 x 2.98 x 0.31 in)163.45 x 78.27 x 8.6 mm
IP RatingIP68 dust/water resistant (up to 1.5m for 30 min)IP66, IP68, IP69, IP69K
SIMNano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time)Dual SIM (nano SIM + nano SIM)
Weight200 g (Sub6), 202 g (mmWave) (7.05 oz)223g
DISPLAY9 fields
SpecificationGalaxy S21+Poco X8
Brightness1300 nits (peak)1060 nits (typ), 3500 nits (peak)
Color—DCI- P3 wide color gamut
Features—Sunlight display; 3840Hz PWM dimming
ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass Victus 2
Refresh Rate120HzUp to 120Hz
Resolution1080 x 2400 pixels, 20:9 ratio (~394 ppi density)1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Screen-to-body~88.3%~89.5%
Size6.7 inches, 107.8 cm2 (~88.3% screen-to-body ratio)6.83"
TypeDynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)AMOLED
PLATFORM4 fields
SpecificationGalaxy S21+Poco X8
CPUOcta-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/ChinaOcta-core, up to 2.4 GHz
ChipsetExynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/ChinaSnapdragon 6s Gen 4
GPUMali-G78 MP14 - International Adreno 660 - USA/ChinaAdreno
OSAndroid 11, up to 4 major Android upgrades, One UI 6.1Xiaomi HyperOS 3
MEMORY5 fields
SpecificationGalaxy S21+Poco X8
Card slotNoNo
Internal128GB, 256GB128GB / 256GB
RAM8GB RAM6 GB / 8 GB / 12 GB
Storage Type—LPDDR4X + UFS3.1 (256GB) / UFS2.2 (128GB)
Storage/RAM variants128GB, 256GB; 8GB RAM128GB / 256GB; 6 GB / 8 GB / 12 GB RAM
MAIN CAMERA3 fields
SpecificationGalaxy S21+Poco X8
FeaturesLED flash, auto-HDR, panoramaLED Flash, Panorama, HDR
MAIN CAMERA12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video50MP main camera, f/1.8; 2MP Depth camera, f/2.4
Video8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS1080p at 30fps; 720p at 30fps
SELFIE CAMERA3 fields
SpecificationGalaxy S21+Poco X8
FeaturesHDRHDR
Selfie camera10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF16MP front camera, f/2.4
Video4K@30/60fps, 1080p@30fps1080p at 30fps; 720p at 30fps
SOUND3 fields
SpecificationGalaxy S21+Poco X8
3.5mm jackNoNo
Dolby Atmos—Yes
LoudspeakerYes, with stereo speakersDual speakers
COMMUNICATION6 fields
SpecificationGalaxy S21+Poco X8
Bluetooth5.0, A2DP, LE5.1
NFCYesYes
PositioningGPS, GLONASS, BDS, GALILEOGPS, GLONASS, Galileo, BDS, QZSS
RadioFM radio (Snapdragon model only; market/operator dependent)No
USBUSB Type-C 3.2, OTGUSB-C
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi Protocol: 802.11a/b/g/n/ac
FEATURES2 fields
SpecificationGalaxy S21+Poco X8
Ai—Circle to Search with Google, Google Gemini; AI Erase, AI Remove Reflection, AI Image Expansion, AI Sky, AI Bokeh, AI Image Enhancement, AI Beautify
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometerProximity sensor; Ambient light sensor; Accelerometer; Electronic compass; IR blaster; Gyroscope
BATTERY3 fields
SpecificationGalaxy S21+Poco X8
Capacity4800 mAh8340mAh(typ)
Charging Type25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless67W HyperCharge; Supports 22.5W wired reverse charging
TypeLi-Ion 4800 mAhSilicon-carbon
ADDITIONAL INFORMATION5 fields
SpecificationGalaxy S21+Poco X8
ColorsPhantom Black, Phantom Silver, Phantom Violet, Phantom Pink, Phantom Gold, Phantom RedBlack; White; Orange
Compatibility—Global specification set
Launch Price (USD)$297.00 (reference only — see Price in Nigeria above for the actual retail price)—
ModelsSM-G996B, SM-G996B/DS, SM-G996U, SM-G996U1, SM-G996W, SM-G996N, SM-G9960Poco X8, 2607DPC18G
Price in Nigeria₦260,000 (Saved seller price · not yet reverified)₦450,000 (Stored estimate)
SECURITY1 field
SpecificationGalaxy S21+Poco X8
SecurityBiometric security: Fingerprint (under display, ultrasonic).In-screen fingerprint sensor; AI face unlock

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