Google Pixel 8a vs. Xiaomi 14 Ultra vs. Samsung Galaxy S21 (US/CH)

Commercialization

Brand

Google

Xiaomi

Samsung

Model

Pixel 8a

14 Ultra

Galaxy S21

Known Since Year

Sold since year

Discontinued since year

Colors Available

Obsidian, Porcelain, Bay, Aloe

Black, Blue, White, Titanium Gray

Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

Communications

Cell Technology

5G

5G

5G

SIM/Chip Type

Nano-SIM and eSIM

Nano-SIM and eSIM

Nano-SIM and eSIM

Cell Bands

G8HHN, USA: 1, 2, 3, 5, 7, 8, 20, 28, 48, 66, 71, 77, 78, 260, 261 SA/NSA/Sub6/mmWave
GKV4X, NA: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 70, 71, 77, 78 SA/NSA/Sub6
G6GPR, Intl: 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 66, 75, 76, 77, 78 SA/NSA/Sub6

International: 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA
China: 1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA

SM-G991U1: 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave
SM-G991B: 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6

WiFi

802.11 a/b/g/n/ac/6e, dual/tri-band

802.11 a/b/g/n/ac/6e/7, tri-band

802.11 a/b/g/n/ac/6, dual-band

Bluetooth

5.3, A2DP, LE

5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC

5.0, A2DP, LE

Geolocation

GPS, GLONASS, GALILEO, BDS, QZSS, NavIC

GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)

GPS, GLONASS, BDS, GALILEO

NFC

Yes

Yes

Yes

Broadcast Radio

No

No

FM radio

Physical Ports

Data Connector

USB Type-C

USB Type-C

USB Type-C

Data Technology

USB Type-C 3.2

USB Type-C 3.2 Gen 2, DisplayPort, OTG

USB Type-C 3.2, OTG

Headphones Connector

No

No

No

CPU, Memory and Storage

Chipset

Google Tensor G3

Qualcomm SM8650-AB Snapdragon 8 Gen 3

Qualcomm SM8350 Snapdragon 888 5G (5 nm)

CPU(s)

Nona-core (1x3.0 GHz Cortex-X3 & 4x2.45 GHz Cortex-A715 & 4x2.15 GHz Cortex-A510)

Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)

Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)

GPU

Immortalis-G715s MC10

Adreno 750

Adreno 660

Min. RAM

8 GiB

12 GiB

8 GiB

Max. RAM

8 GiB

16 GiB

8 GiB

Min. Storage

Max. Storage

Type of Storage

UFS 3.1

UFS 4.0

UFS 3.1

Display

Technology

OLED

LTPO AMOLED

Dynamic AMOLED 2X

Scratch Protection

Corning Gorilla Glass 3

Xiaomi Shield Glass

Corning Gorilla Glass Victus+

Peak Brightness

2000 nits

3000 nits

1300 nits

Refresh Rate

120 Hz

120 Hz

120 Hz

Size (Diam.)

6.1 in

6.73 in

6.1 in

Horizontal Resolution

1080 pixels

1440 pixels

1080 pixels

Vertical Resolution

2400 pixels

3200 pixels

2340 pixels

Pixel Density

430 ppi

522 ppi

425 ppi

Features and Software

Original Operative System

Android 14

Android 14, HyperOS

Android 11

Updated Operative System

Android 14, One UI 6.1

Biometric Locking

Fingerprint (under display, optical)

Fingerprint (under display, optical)

Fingerprint (under display, ultrasonic)

Other Sensors

accelerometer, gyro, proximity, compass, barometer

accelerometer, proximity, gyro, compass, color spectrum, barometer

accelerometer, gyro, proximity, compass, barometer

IP Rating

IP67

IP68

IP68

Main Camera

Resolution

64 MP

50 MP

12 MP

Focal Length

26 mm

23 mm

26 mm

Lens Aperture

f/1.9

f/1.6

f/1.8

Image Stabilization

OIS

OIS

OIS

Auto-Focus

dual pixel PDAF

dual pixel PDAF, Laser AF

dual pixel PDAF

Pixel Size

0.8 μm

1.2 μm

1.8 μm

Wide Camera

Resolution

13 MP

50 MP

12 MP

Focal Length

14 mm

13 mm

Lens Aperture

f/2.2

f/2.2

f/2.2

Auto-Focus Technology

AF

Super Steady video

Pixel Size

1.12 μm

1.4 μm

Telephoto Camera

Resolution

50 MP

64 MP

Zoom

3.2x optical

1.1x optical

Focal Length

75 mm

29 mm

Lens Aperture

f/1.8

f/2

Image Stabilization Technology

OIS

OIS

Auto-Focus Technology

dual pixel PDAF

PDAF

Pixel Size

0.7 μm

0.8 μm

2nd Telephoto Camera

Resolution

50 MP

Zoom

5x optical

Focal Length

120 mm

Lens Aperture

f/2.5

Image Stabilization Technology

OIS

Auto-Focus Technology

dual pixel PDAF

Pixel Size

0.7 μm

Front Camera

Resolution

13 MP

32 MP

10 MP

Focal Length

20 mm

22 mm

26 mm

Lens Aperture

f/2.2

f/2

f/2.2

Auto-Focus Technology

dual pixel PDAF

Pixel Size

1.12 μm

0.7 μm

1.22 μm

Energy and Autonomy

Battery Type/Chemistry

Li-Po

Li-Po

Li-Ion

Battery Capacity

Battery Replacement Model

non-removable

non-removable

non-removable

Wired Charging Tech.

PD3.0

PD3.0, QC4

PD3.0

Wired Charging Power

18 W

90 W

25 W

Wireless Charging Tech.

Yes

Yes

Qi/PMA

Wireless Charging Power

7.5 W

80 W

15 W

Product Dimensions and Weight

Height

Width

Thickness

Weight

Packaging Dimensions and Weight

Length

Width

Height

Weight

Performance

AnTuTu (v8)

584 055

AnTuTu (v9)

AnTuTu (v10)

1 193 520

2 014 262

GeekBench (v5)

GeekBench (v5.1)

GeekBench (v6)