Samsung Galaxy A01 Core vs Galaxy S21 Ultra 5G

Specs compared side by side, measured on real phones shared by owners with the Device Info app.

Samsung Galaxy A01 CoreSamsung Galaxy A01 CoreMT6739WWChange
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5GSnapdragon 888Exynos 21002 chip versionsChange

Key differences

  1. Chipset: the Galaxy A01 Core uses the MT6739WW (28 nm), the Galaxy S21 Ultra 5G the Snapdragon 888 (5 nm Samsung). The Galaxy A01 Core's fastest core runs at 1.50 GHz, the Galaxy S21 Ultra 5G's at 2.84 GHz.
  2. Screen: 5.3 inches on the Galaxy A01 Core, 6.8 inches on the Galaxy S21 Ultra 5G. Up to 60.1 Hz on the Galaxy A01 Core, 120 Hz on the Galaxy S21 Ultra 5G.
  3. Battery: 2,920 mAh on the Galaxy A01 Core, 4,855 mAh on the Galaxy S21 Ultra 5G.
  4. Main camera: 8.1 MP on the Galaxy A01 Core, 12 MP on the Galaxy S21 Ultra 5G.

Chipset

Chipset
MT6739WWSnapdragon 888
Process
28 nm5 nm Samsung
CPU
4× 1.50 GHz Cortex-A531× 2.84 GHz Cortex-X1
3× 2.42 GHz Cortex-A78
4× 1.80 GHz Cortex-A55
Top CPU speed
1.50 GHz2.84 GHz
CPU cores
48
GPU
PowerVR Rogue GE8100Adreno 660

Memory

Versions seen
2GB | 32GB10GB | 128GB
16GB | 512GB
RAM type
LPDDR3LPDDR5

Display

Size
5.3 in6.8 in
Resolution
720 × 14801440 × 3200
Pixel density
311 ppi515 ppi
Refresh rates
60.1 Hz120 Hzalso 48, 60, 96
HDR
—HDR10, HDR10+, HLG

Battery

Capacity
2,920 mAh4,855 mAh

Cameras

Back camera 1
8.1 MP3280 × 2464 · f/2.2 · 3.3 mm12 MP4000 × 3000 · f/1.8 · 6.7 mm · OIS
Back camera 2
—12 MP4000 × 3000 · f/2.2 · 2.2 mm
Front camera 1
5.1 MP2608 × 1960 · f/2.4 · 1.96 mm10 MP3648 × 2736 · f/2.2 · 3.8 mm
Front camera 2
—7.1 MP3216 × 2208 · f/2.2 · 3.8 mm

Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.

Connectivity

Wi-Fi
—Wi-Fi 6E
6 GHz Wi-Fi
—Yes
Bluetooth LE Audio
—No
NFC
NoYes
UWB
NoYes
USB host
YesYes

Software

Android
Android 10Android 13–15
UI
—One UI 7.0
Released with
Android 10Android 11
Widevine DRM
L3L1

Sensors

Sensors
7 sensors43 sensors
Galaxy A01 Core full specs Galaxy S21 Ultra 5G full specs

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From phones shared with the Device Info app · updated November 2026 Hardware specs only. No personal data. Privacy