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Smartphone comparison

Poco X6 Pro vs Samsung Galaxy S21 Plus Refurbished

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Poco X6 Pro

Poco X6 Pro

  • 120 Hz display refresh rate.
  • Screen: 6.67 inches, 1220 x 2712 pixels, 20:9 ratio (~446 ppi density).
  • Mediatek Dimensity 8300 Ultra (4 nm) processor.
  • Storage: UFS 4.0.
  • 5,000 mAh battery capacity.
KSh 38,500Out of Stock
02
Samsung Galaxy S21 Plus Refurbished

Samsung Galaxy S21 Plus Refurbished

  • About 6.7 inch screen.
  • Mali-G78 MP14 - International, Adreno 660 - USA/China graphics.
  • 8 GB RAM in this version.
  • 256 GB storage in this version.
  • 4,800 mAh battery capacity.
KSh 38,000In Stock
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Samsung Galaxy A37 5GKSh 38,500
Samsung Galaxy A36 5GKSh 40,000
2 of 4 products

Our quick verdict

The Poco X6 Pro charges faster (67 W), has a sharper, brighter screen and runs newer Android 14, while the Samsung Galaxy S21 Plus Refurbished has optical zoom, 4K recording at up to 60 fps, 4 promised OS upgrades and a sturdier aluminium build with a glass back.

Display

Poco X6 Pro
6.67 inches, 1220 x 2712 pixels, 20:9 ratio (~446 ppi density)
Samsung Galaxy S21 Plus Refurbished
1080 x 2400 pixels, 20:9 ratio (~394 ppi density)

Performance

Poco X6 Pro
Mali G615-MC6 graphics
Samsung Galaxy S21 Plus Refurbished
Mali-G78 MP14 - International Adreno 660 - USA/China graphics

Storage

Poco X6 Pro
UFS 4.0
Samsung Galaxy S21 Plus Refurbished
UFS 3.1

Battery capacity

Poco X6 Pro
5,000 mAh battery capacity
Samsung Galaxy S21 Plus Refurbished
4,800 mAh battery capacity

Charging

Poco X6 Pro
67 W rated wired charging power
Samsung Galaxy S21 Plus Refurbished
25 W rated wired charging power

Key differences

The main differences to help you choose.

Poco X6 Pro

  • Faster rated wired charging: 67 W (vs 25 W).
  • Sharper screen: 446 ppi (vs 394 ppi).
  • Higher-resolution main camera: 64 MP (vs 12 MP).
  • Newer Android 14 (vs Android 11).
  • Brighter display: up to 1,800 nits (vs 1,300).
  • Newer Bluetooth 5.4 (vs 5.0).

Samsung Galaxy S21 Plus Refurbished

  • Telephoto camera with 1.1x optical zoom.
  • More promised OS upgrades: 4 (vs 3).
  • FM radio (Snapdragon model only.
  • Aluminium frame and glass back (vs plastic frame).
  • Higher frame rates for 4K recording: up to 60 fps (vs 30 fps).
  • 8K video recording (vs 4K).

What matters most to you?

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

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6 priorities selected.
How each product answers the selected priorities
PriorityPoco X6 ProSamsung Galaxy S21 Plus Refurbished
Display6.67-inch OLED display, 120 Hz, 446 ppi6.7-inch OLED display, 120 Hz, 394 ppi
Camera64 MP main camera with OIS12 MP main camera with OIS, plus a 1.1x telephoto camera
PerformanceMediatek Dimensity 8300 Ultra processorExynos 2100 processor
StorageUp to 512 GB storage256 GB storage
Battery capacity5,000 mAh battery4,800 mAh battery
Charging67 W wired charging25 W wired, 15 W wireless charging

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
BrandPOCOSamsung
ModelPoco X6 ProGalaxy S21 Plus
Announced2024, January 11 (released 2024, January 12)2021, January 14
Device type / form family—Smartphone
Release status—Available. Released 2021, January 29
Model numbers—SM-G996B, SM-G996B/DS, SM-G996U, SM-G996U1, SM-G996W, SM-G996N, SM-G9960

Design

Design specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
Dimensions160.5 x 74.3 x 8.3 mm161.5 x 75.6 x 7.8 mm (6.36 x 2.98 x 0.31 in)
Weight186 g or 190 g200 g (Sub6), 202 g (mmWave) (7.05 oz)
Build materialsGlass front (Gorilla Glass 5), plastic frame, plastic back or silicone polymer back (eco leather)Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
Form factor—Touchscreen smartphone

Display

Display specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
DisplayAMOLED, 68B colors, 120Hz, 1920Hz PWM, HDR10+, Dolby Vision, 500 nits typical, 1200 nits HBM, 1800 nits peakDynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak); 6.7 inches, 107.8 cm^{2} (~88.3% screen-to-body ratio)
Screen resolution6.67 inches, 1220 x 2712 pixels, 20:9 ratio (~446 ppi density)1080 x 2400 pixels, 20:9 ratio (~394 ppi density)
Display protectionCorning Gorilla Glass 5Corning Gorilla Glass Victus
Display features68B colors, 120Hz, 1920Hz PWM, HDR10+, Dolby Vision, 500 nits typical, 1200 nits HBM, 1800 nits peakDynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Display technology—Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Display size—6.7 inches, 107.8 cm^{2} (~88.3% screen-to-body ratio)
Refresh rate—120Hz

Performance

Performance specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
ProcessorMediatek Dimensity 8300 Ultra (4 nm)Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
CPUOcta-core (1x3.35 GHz Cortex-A715 + 3x3.20 GHz Cortex-A715 + 4x2.20 GHz Cortex-A510)Octa-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/China
GPUMali G615-MC6Mali-G78 MP14 - International Adreno 660 - USA/China

Memory & Storage

Memory & Storage specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
RAM8GB, 12GB8GB
Storage256GB, 512GB256GB
Storage technologyUFS 4.0UFS 3.1
Expandable storageNoNo

Cameras

Cameras specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
Rear camera64 MP, f/1.7, 25mm (wide), 1/2.0", 0.7µm, PDAF, OIS; 8 MP, f/2.2, 120° (ultrawide), 1/4.0", 1.12µm; 2 MP (macro)12 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 video
Front camera16 MP, f/2.4 (wide), 1/3.06", 1.0µm10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF
Rear camera featuresLED flash, HDR, panoramaLED flash, auto-HDR, panorama
Rear camera video4K@24/30fps, 1080p@30/60fps, gyro-EIS8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Front camera featuresHDR, panoramaHDR
Front camera video1080p@30/60fps4K@30/60fps, 1080p@30fps

Battery & Charging

Battery & Charging specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
Battery5000 mAhLi-Ion 4800 mAh
Charging67W wired, QC2.0, PD3.0, 100% in 45 min25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless

Software

Software specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
Operating systemAndroid 14, up to 3 major OS updates, HyperOSAndroid 11, up to 4 major OS updates, One UI 7

Network

Network specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
NetworkGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
SIMNano-SIM + Nano-SIM· Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
2G bands—GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 & TD-SCDMA
3G bands—HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO
4G bands—1, 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-G996B
5G bands—2, 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-G996B
Network speed—HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)

Connectivity

Connectivity specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
NFCYes (market/region dependent)Yes
Bluetooth5.4, A2DP, LE, aptX HD5.0, A2DP, LE
Wi-FiWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
PositioningGPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1C)GPS, GLONASS, BDS, GALILEO
RadioNoFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 2.0, OTGUSB Type-C 3.2, OTG
Ultra Wideband (UWB)—Supported

Durability

Durability specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
Water resistanceIP54 dust protected and water resistant (water splashes)—

Features

Features specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
SensorsFingerprint (under display, optical), accelerometer, gyro, compass; virtual proximity sensingFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
ColorsBlack, Yellow, Gray—
Desktop mode—Samsung DeX, Samsung Wireless DeX (desktop experience support)

Audio

Audio specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
LoudspeakersYes, with dual speakersYes, with stereo speakers
3.5 mm headphone jackNoNo
Audio features—High-bitrate audio support

Refurbished unit information

Refurbished unit information specifications comparison
SpecificationPoco X6 ProSamsung Galaxy S21 Plus Refurbished
Condition—Refurbished / EX-UK

Similarities

  • Both have 120 Hz displays.
  • Both have optical image stabilisation.
  • Both support Wi-Fi 6.
  • Both have NFC.
  • Both have stereo speakers.
  • Both support 5G networks.

In summary

Get the Poco X6 Pro if you want faster charging and a sharper, brighter screen, or the Samsung Galaxy S21 Plus Refurbished if you would rather have optical zoom and 4K recording at up to 60 fps.

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In-stock alternatives

Redmi Note 15 Pro 5GFor Poco X6 ProRedmi Note 15 Pro 5GView product ↗Samsung Galaxy Z Flip4 RefurbishedFor Poco X6 ProSamsung Galaxy Z Flip4 RefurbishedView product ↗

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