Samsung
Samsung Galaxy S21 Ultra 5GSide-by-side comparison
Samsung Galaxy S21 Ultra 5G vs Xiaomi 11T
Xiaomi
Xiaomi 11TSamsung Galaxy S21 Ultra 5G — quick specs
- Network5G
- Display—
- Camera—
- Memory512 GB
- Battery5000 Lithium polymer
- OS—
Xiaomi 11T — quick specs
- Network5G / LTE / HSPA
- Display—
- Camera—
- Memory128 GB
- Battery5000 mAh
- OSAndroid 11
● Full specification comparison
Spec
Samsung Galaxy S21 Ultra 5G
Xiaomi 11T
NETWORK
Technology
2G, 3G, 4G, 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Technology
A2G, 3G, 4G, 5G
BGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
LAUNCH
Status
Available. Released 2021
Available. Released 2021
Status
AAvailable. Released 2021
BAvailable. Released 2021
BODY
Dimensions
165.1xx75.6xx8.9
164.1 mm H / 76.9 mm W / 8.8 mm D
Dimensions
A165.1xx75.6xx8.9
B164.1 mm H / 76.9 mm W / 8.8 mm D
Weight
227 g
203 g
Weight
A227 g
B203 g
SIM
nanoSIM, eSIM / Single SIM or Hybrid Dual SIM in dual stand-by
Dual SIM (Nano-SIM, dual stand-by)
SIM
AnanoSIM, eSIM / Single SIM or Hybrid Dual SIM in dual stand-by
BDual SIM (Nano-SIM, dual stand-by)
Build
Slate
Slate
Build
ASlate
BSlate
PLATFORM
CPU
Exynos: Octa-core (1x2.9 GHz Cortex-X1, 3x2.80 GHz Cortex-A78 and 4x2.2 GHz Cortex-A55) / Snapdragon: Octa-core (1x2.84 GHz, 3x2.42 GHz and 4x1.80 GHz) Kryo 680
Octa-core (1x3.00 GHz Cortex-A78 & 3x2.60 GHz Cortex-A78 & 4x2.00 GHz Cortex-A78)
CPU
AExynos: Octa-core (1x2.9 GHz Cortex-X1, 3x2.80 GHz Cortex-A78 and 4x2.2 GHz Cortex-A55) / Snapdragon: Octa-core (1x2.84 GHz, 3x2.42 GHz and 4x1.80 GHz) Kryo 680
BOcta-core (1x3.00 GHz Cortex-A78 & 3x2.60 GHz Cortex-A78 & 4x2.00 GHz Cortex-A78)
GPU
Exynos: Mali-G78 MP14 / Snapdragon: Adreno 660
Mali-G77
GPU
AExynos: Mali-G78 MP14 / Snapdragon: Adreno 660
BMali-G77
OS
—
Original: Android 11 with MIUI 12.5 / Current: Android 14 with Xiaomi HyperOS
OS
A—
BOriginal: Android 11 with MIUI 12.5 / Current: Android 14 with Xiaomi HyperOS
Chipset
—
MediaTek Dimensity 1200-Ultra (6nm)
Chipset
A—
BMediaTek Dimensity 1200-Ultra (6nm)
MEMORY
Card slot
None
None
Card slot
ANone
BNone
Internal
128/256/512 GB UFS 3.1
128GB, 256GB
Internal
A128/256/512 GB UFS 3.1
B128GB, 256GB
SELFIE CAMERA
Single
40 MP, f/2.2, 26 mm (wide), 1/2.8", 0.7 μm, PDAF
—
Single
A40 MP, f/2.2, 26 mm (wide), 1/2.8", 0.7 μm, PDAF
B—
SOUND
Loudspeaker
Dolby Atmos stereo speakers tuned by AKG
Stereo speakers
Loudspeaker
ADolby Atmos stereo speakers tuned by AKG
BStereo speakers
3.5mm jack
No
No
3.5mm jack
ANo
BNo
COMMS
WLAN
Bluetooth 5.2 / Wi-Fi 802.11 a/b/g/n/ac/ax(Wi-Fi 6E: S21 Ultra)
USB Type-C 2.0 / Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot / Bluetooth 5.2, A2DP, LE / A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC
WLAN
ABluetooth 5.2 / Wi-Fi 802.11 a/b/g/n/ac/ax(Wi-Fi 6E: S21 Ultra)
BUSB Type-C 2.0 / Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot / Bluetooth 5.2, A2DP, LE / A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC
Bluetooth
5.x, A2DP, LE
5.x, A2DP, LE
Bluetooth
A5.x, A2DP, LE
B5.x, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS, GALILEO
Yes, with A-GPS, GLONASS, BDS, GALILEO
GPS
AYes, with A-GPS, GLONASS, BDS, GALILEO
BYes, with A-GPS, GLONASS, BDS, GALILEO
USB
USB Type-C
USB Type-C 3.x
USB
AUSB Type-C
BUSB Type-C 3.x
NFC
Yes
Yes
NFC
AYes
BYes
FEATURES
Sensors
Fingerprint, accelerometer, gyro, proximity, compass, barometer
Fingerprint, accelerometer, gyro, proximity, compass, barometer
Sensors
AFingerprint, accelerometer, gyro, proximity, compass, barometer
BFingerprint, accelerometer, gyro, proximity, compass, barometer
BATTERY
Charging
USB PD: 25W (PPS), 15W (non-PPS) / 15 W QI wireless / 4.5 W Reverse wireless
67W Mi Turbo Charging
Charging
AUSB PD: 25W (PPS), 15W (non-PPS) / 15 W QI wireless / 4.5 W Reverse wireless
B67W Mi Turbo Charging
Battery Type
5000 Lithium polymer
5000mAh
Battery Type
A5000 Lithium polymer
B5000mAh
DISPLAY
Type
—
Dolby Vision
Type
A—
BDolby Vision
Cells highlighted in green indicate a measurably better spec on that phone (battery capacity, RAM, storage, display size). Text-only specs are shown side by side without highlighting.