Samsung Galaxy J4+ vs Galaxy S21 Ultra 5G

Samsung Galaxy J4+Samsung Galaxy J4+Snapdragon 425Change
Samsung Galaxy S21 Ultra 5GSamsung Galaxy S21 Ultra 5GSnapdragon 888Exynos 21002 chip versionsChange

Chipset

Chipset
Snapdragon 425Snapdragon 888
Process
28 nm5 nm Samsung
CPU
4× 1.40 GHz Cortex-A531× 2.84 GHz Cortex-X1
3× 2.42 GHz Cortex-A78
4× 1.80 GHz Cortex-A55
Top CPU speed
1.40 GHz2.84 GHz
CPU cores
48
GPU
Adreno 308Adreno 660

Memory

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

Display

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

Battery

Capacity
3,300 mAh4,855 mAh

Cameras

Back camera 1
12.8 MP4128 × 3096 · 3.6 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 MP2576 × 1932 · 1.95 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
YesYes
UWB
NoYes
USB host
YesYes

Software

Android
Android 9Android 13–15
UI
—One UI 7.0
Released with
Android 8.1Android 11
Widevine DRM
L1L1

Sensors

Sensors
7 sensors43 sensors
Galaxy J4+ 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