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HMD XR21 vs Realme 8i (128GB/6GB)

Side by side comparison between HMD XR21 vs Realme 8i phones, differences, pros, cons and full specifications. What's the better?

,
6.49"
IPS

1080x2400

64
MP

16mp

6GB
RAM

Octa-core

4800
mAh

(Non removable)

vs
06Points Realme 8i (128GB/6GB) Compare HMD XR21 X
6.6"
IPS

1080x2412

50
MP

16mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? HMD XR21

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

XR21} 20 Advantages HMD XR21 vs 8i (128GB/6GB)} 6 Advantages Realme 8i (128GB/6GB)
+2.2GHz 64bit Octa-core (6nm)11%
More powerful processor, you can open your applications faster
vs2.05GHz 64bit Octa-core (12nm)
+UFS 2.2Advantage
Fastest write and read storage.
vsUFS 2.1
+406 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs400 PPI
+(dual camera) 64MP + 8MP34%
Higher resolution main camera
vs(triple camera) 50MP + 2MP + 2MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+1/2" inches38%
The larger sensor camera lets you take photos with better depth.
vs1/2.76" inches
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 11
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE-A
+(5G SA/NSA) 2000 Mbps4 times
Faster for surfing the internet and download files
vs(4G LTE-A) 400 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+33W83%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
vs18W
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(dedicated slot)
+Stereo sound with dual speakersAdvantage
Better sound quality for listening to music or clearer hands-free calls
vsMono sound (not stereo)
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
vs802.11 a/b/g/n/ac [wifi5]
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Gorilla Glass VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP68/IP69K certified, MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
231 grams (8.09 ounces)vs+194 grams (6.79 ounces)19%
Lighter
10.45 millimeters (0.41 inches)vs+8.5 millimeters (0.33 inches)23%
Thinner
1080x2400 pixelsvs+1080x2412 pixels1%
Higher resolution screen
6.49"vs+6.6"2%
Larger screen
4800 mAhvs+5000 mAh4%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

32 Common items in both devices
6GB LPDDR4X
128GB (101GB available) / 128GB (104GB available)
Plastic body, glass front
TFT IPS LCD
120Hz
16 million
Only digital zoom
+25 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

HMD XR21Realme 8i (128GB/6GB)
Change model 
ModelHMD XR21Realme 8i (128GB/6GB)
Other model namesHMD XR21 TA-1592Realme 8i RMX3151 (128GB+6GB RAM)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandHMDRealme
Release date5/1/2024, Announced: 5/14/20249/14/2021, Announced: 9/9/2021
Depth10.45 millimeters (0.41 inches)8.5 millimeters (0.33 inches)
Size (width x height)78.58 x 168 millimeters (3.09 x 6.61 in)75.5 x 164.1 millimeters (2.97 x 6.46 in)
Weight231 grams (8.09 ounces)194 grams (6.79 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersIP68/IP69K certified: water-resistant up to 1.5 meters for 30min, dust-resistant, plus high-pressure and steam-washable.
MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
Not supported

📲 Display

HMD XR21Realme 8i (128GB/6GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size6.49" inches6.6" inches
Screen-to-body ratio~77% (screen-to-body ratio)~84.6% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2412 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)406 PPI400 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusNot supported
Refresh rate120Hz120Hz
Display features450nits[typ], 550nits[peak]600nits[peak]

🤖 Operating System

HMD XR21Realme 8i (128GB/6GB)
System versionAndroid 13Android 11
Firmware updateAndroid 14feature not registered
User Interfacefeature not registeredRealme UI 2.0

⚙️ Processor

HMD XR21Realme 8i (128GB/6GB)
Chipset64bit: Qualcomm Snapdragon 695 (SM6375) (6nm)64bit: MediaTek Helio G96 (12nm)
CPUOcta-core, 2 processors:
2x 2.2GHz Kryo 660 Gold (Dual-core)
6x 1.7GHz Kryo 660 Silver (Hexa-core)
Octa-core, 2 processors:
2x 2.05GHz ARM Cortex-A76 (Dual-core)
6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controllerQualcomm Adreno 619 (840MHz)ARM Mali-G57 MC2 (850MHz)
Performance (benchmark)feature not registeredAnTuTu: 350000 (v9)

💽 Memory and storage

HMD XR21Realme 8i (128GB/6GB)
RAM memory6GB LPDDR4X6GB LPDDR4X
Internal storage128GB (101GB available)
UFS 2.2
128GB (104GB available)
UFS 2.1
External storageNot supportedUntil 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

HMD XR21Realme 8i (128GB/6GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload2000/1024 Mbps400/150 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/2100
Primary 4G networkLTE Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71)
TD-LTE (38, 39, 40, 41, 42, 43, 48)
VoLTE
LTE Cat13 (1, 3, 5, 8)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkSA/NSA (1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77, 78, 79)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/2100
Secondary 4G networkLTE Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66, 71)
TD-LTE (38, 39, 40, 41, 42, 43, 48)
VoLTE
LTE Cat13 (1, 3, 5, 8)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

HMD XR21Realme 8i (128GB/6GB)
Back camera (main camera)(dual camera)
64 megapixels
8MP ultrawide f/2.21/4"1.12µm
(triple camera)
50 megapixels
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution10120x6328 pixels8160x6120 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor size1/2" inches1/2.76" inches
Pixel sizefeature not registered0.64µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extras1080p@30fpsfeature not registered

📸 Front camera

HMD XR21Realme 8i (128GB/6GB)
Front camera (secondary)16 megapixels16 megapixels
Front camera resolution4608x3456 pixels4608x3456 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.1 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3" inches
Pixel sizefeature not registered1µm pixel

🔉 Sound and multimedia

HMD XR21Realme 8i (128GB/6GB)
LoudspeakerStereo sound with dual speakersMono sound (not stereo)
Active noise cancellation2 microphones2 microphones or more
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

HMD XR21Realme 8i (128GB/6GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.1 + A2DP/LE5.1 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, NavICA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

HMD XR21Realme 8i (128GB/6GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

HMD XR21Realme 8i (128GB/6GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4800 mAh5000 mAh
Charger, watts33W Wired fast charging
Reverse charging by cable
Quick Charge 3
USB Power Delivery 2.0
18W Wired fast charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy48 hours (2 days)feature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

HMD XR21Realme 8i (128GB/6GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Midnight Black• Colors: Space Black, Space Purple
• Screen film protector
• Case protector

☢️ Radiation rate

HMD XR21Realme 8i (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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