Galaxy Tab Active4 Pro 5G
SM-T638U · Samsung
- SoC
- Snapdragon 778G
- RAM
- 4 GB LPDDR4X
- Resolution
- 1920x1200
- Android API
- 15 (35)
What this hardware actually means
Editorial interpretation generated from the device's self-reported fields and our SoC tier database. Cross-reference with the raw fields below; if you spot a contradiction, please tell us.
Platform & performance positioning
The samsung SM-T638U is built around the Snapdragon 778G, an upper-mid tier SoC from Qualcomm. It launched in 2021 on a TSMC 6nm N6 process. Popular 2021-2022 upper-mid SoC, anchor of the Galaxy A52s 5G and Honor 50.
Strong all-rounder — good gaming, low heat, mature drivers.
Day-to-day workload
4 GB LPDDR4X of RAM is tight for 2026 standards — usable for the basics but limits modern app behavior. Display resolution is 1920x1200.
This record reflects Android API level 35 (15). Android 14 or newer — modern security baseline, supported by all current banking and payment apps.
Trust & buying notes
If you're cross-checking a phone advertised as a samsung SM-T638U, the fields most worth verifying are: Build.MANUFACTURER lowercase-equal to "samsung"; Build.SOC_MODEL set (Android 12+) and consistent with Snapdragon 778G. For an automated check, run our Hardware Trust Score from the DevCheck AI app and compare its output against this entry.
For a second-hand purchase, also verify the security patch date is no more than ~12 months old, the boot count is plausible for the claimed age, and battery health is above 85%.
Identity
- MANUFACTURER
- samsung
- BRAND
- samsung
- MODEL
- SM-T638U
- MODEL_NAME
- Galaxy Tab Active4 Pro 5G
- PRODUCT
- gtact4proue
Operating System
- API
- 15 (35)
- KERNEL
- 5.4.274-qgki-31225846-abT638UUES8EYG1
- PLATFORM
- qcom
SoC / CPU
- SOC
- Snapdragon 778G
- CPU
- sm7325
- CORES
- 8
- FAMILY
- Cortex-A78 Cortex-A78 Cortex-A55
- CLUSTERS
- 1 x 2.40 GHz 3 x 2.40 GHz 4 x 1.80 GHz
- CLOCK_SPEED
- 300 - 2400 MHz
- REVISION
- r1p1 r1p1 r2p0
- TECHPROCESS
- 6 nm
GPU
- GPU_VENDOR
- Qualcomm
- GPU_MODEL
- Adreno (TM) 642L
- GPU_CLOCK
- 315 - 550 MHz
- GPU_VERSION
- 3.2 V@0530.55.1 (GIT@9ad1b67875, Ib48d2dada6, 1746950435) (Date:05/11/25)
Memory & Storage
- RAM
- 4 GB LPDDR4X
- FLASH
- UFS
Display
- RESOLUTION
- 1920x1200
- TOUCHSCREEN
- fts_touch
Sensors
- ACCELEROMETER
- lsm6dso
- GYROSCOPE
- lsm6dso
- MAGNETOMETER
- ak0991x
- ALSPS
- tmd3725
- FINGERPRINT_SENSOR
- gw36t1
Connectivity
- WIFI
- wcn6750
- NFC
- pn547
Audio & Power
- AUDIO
- cs35l45 cs35l45
- CHARGER
- USE PMIC
Other
- SOUND
- lahainayupikidp
- PMIC
- max77705
- OTHER
- unk09 unk14 unk20 unk20 unk25 unk29 unk36 unk56 unk62 unk69
Related devices
Other phones in our database with similar hardware — same brand or same SoC.
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- ✓ Live Spec cross-check (v1.1.2)
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- ✓ Hardware Self-Test · 15 checks (v1.1.0)
- ✓ Hardware Trust Score + IP reputation
