Compare Devices

energizer e28
xiaomi pad 7 ultra
samsung galaxy tab a9+
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Brand
 energizer xiaomi samsung
Model
 energizer e28 xiaomi pad 7 ultra samsung galaxy tab a9+
Announced
 2021 April 2025 May 22 2023 October 05
Status
 Available. Released 2021 April Available. Released 2025 May 22 Available. Released 2023 October 17
Device Body
 glass front ( gorilla glass 5 ) | aluminum frame | aluminum back
Dimensions
 134.5 x 56 x 16.9 mm ( 5.30 x 2.20 x 0.67 in ) 305.8 x 207.5 x 5.1 mm ( 12.04 x 8.17 x 0.20 in ) 257.1 x 168.7 x 6.9 mm ( 10.12 x 6.64 x 0.27 in )
Weight in gram
 113 609 480
SIM card
 dual SIM ( Mini-SIM | Micro-SIM ) No Nano-SIM | eSIM - cellular model only
Water Resistance
 No No No
Display type
 tft LCD | 256k colors AMOLED | 68b colors | 120hz | 4800hz pwmillion| dolby vision | hdr10+ | hdr vivid | 1600 Luminance units ( the peak ) tft LCD | 90hz
Display resolution
 240 x 320 pixels | 4 : 3 ratio ( ~143 pixel per inch density ) 2136 x 3200 pixels | 3 : 2 ratio ( ~275 pixel per inch density ) 1200 x 1920 pixels | 16 : 10 ratio ( ~206 pixel per inch density )
Display size
 2.8 inches | 24.3 cm2 ( ~32.2% screen to body ratio ) 14.0 inches | 583.9 cm2 ( ~92.0% screen to body ratio ) 11.0 inches | 350.9 cm2 ( ~80.9% screen to body ratio )
Display Protection
 corning gorilla glass 5
Operating System
 android 15 | hyperos 2 android 13 | upgradable to android 14 | one ui 6.1
CPU
 10-core ( 2x3.7ghz cortex-x925 & 4x3.4ghz cortex-a725 & 2x1.9ghz cortex-a725 & 2x1.8ghz cortex-a520 ) Octa-core ( 2x2.2 GHz kryo 660 gold & 6x1.8 GHz kryo 660 silver )
Chipset
 spreadtrum sc6531e xring o1 ( 3 nm ) Qualcomm sm6375 snapdragon 695 5g ( 6 nm )
GPU
 immortalis-g925 mp16 adreno 619
Memory card
 microSD No microsdxc ( dedicated slot )
Memory v1
 256gb 12gb RAM 64gb 4gb RAM
Memory v2
 512gb 12gb RAM | 1tb 16gb RAM 128gb 4gb RAM | 128gb 8gb RAM | 256gb 8gb RAM
Primary camera
qvga
50 megapixel| lens aperture1.8 | ( wide ) | 1/2.76" | 0.64µm | phase detection autofocus
8 megapixel| Auto focus
Secondary camera

32 megapixel| lens aperture2.2 | 19mm ( ultrawide ) | 1/3.6" | 0.61µm
5 mega pixel
Loud speaker
 Yes Yes with stereo speakers ( 8 speakers ) Yes with stereo speakers ( 4 speakers )
Audio jack
 Yes No Yes
WLAN
 No Wi-Fi 802.11 a/b/g/n/a/6/7 | dual-band | Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct
Bluetooth
 2.1.0 5.4 | a2dp | le | lhdc 5 5.1.0 | a2dp | le
GPS
NFC
 No Yes ( data transfer only ) No
Radio
 FM Radio No No
USB
 microusb USB Type-C 3.2 gen2 | otg | accessory connector pins USB Type-C 2.0
Sensors
 fingerprint ( side-mounted ) | accelerometer | gyroscope | proximity | compass accelerometer | gyroscope | proximity ( accessories only ) | compass
Battery
 Li-lon 3000 mAh battery 12000 mAh li-po 7040 mAh
Battery Charge
 120w wired | pd3.0 | 7.5w reverse wired 15w wired
Colors
 black, gray, blue, white, green, brown, yellow gray, blue graphite color, silver, navy color
Network technology
 gsm No cellular connectivity gsm / hspa / lte / 5g
5G bands
 1 | 3 | 5 | 7 | 8 | 20 | 28 | 38 | 40 | 41 | 66 | 77 | 78 sa/nsa/sub6
Network speed
 hspa lte 5g - cellular model only
GPRS
 Yes n/a
EDGE
 No n/a
Approx price
  • 20 GBP
  • 28 EUR
  • 200 NOK
  • 300 SEK
  • 1300 RUB
  • 20 USD
  • 110 BRL
  • 30 AUD
  • 30000 KRW
  • 3000 JPY
  • 30 SGD
  • 90 MYR
  • 80 AED
  • 400 ZAR
  • 590 GBP
  • 702 EUR
  • 6920 NOK
  • 7300 SEK
  • 44600 RUB
  • 720 USD
  • 3760 BRL
  • 1030 AUD
  • 940000 KRW
  • 96000 JPY
  • 990 SGD
  • 3170 MYR
  • 2620 AED
  • 12000 ZAR