Compare Devices

energizer e28
xiaomi pad 7 ultra
xiaomi a1
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Brand
 energizer xiaomi xiaomi
Model
 energizer e28 xiaomi pad 7 ultra xiaomi a1
Announced
 2021 April 2025 May 22 2022 September 06
Status
 Available. Released 2021 April Available. Released 2025 May 22 Coming soon. expected. release 2022 September 09
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 ) 164.9 x 76.5 x 9.1 mm ( 6.49 x 3.01 x 0.36 in )
Weight in gram
 113 609 192
SIM card
 dual SIM ( Mini-SIM | Micro-SIM ) No dual SIM ( Nano-SIM | dual stand-by )
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 ) IPS LCD | 400 Luminance units ( typ )
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 ) 720 x 1600 pixels | 20 : 9 ratio ( ~269 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 ) 6.52 inches | 102.6 cm2 ( ~81.4% screen to body ratio )
Display Protection
 corning gorilla glass 5
Operating System
 android 15 | hyperos 2 android 12 | miui 12
CPU
 10-core ( 2x3.7ghz cortex-x925 & 4x3.4ghz cortex-a725 & 2x1.9ghz cortex-a725 & 2x1.8ghz cortex-a520 ) Quad-core 2.0 GHz cortex-a53
Chipset
 spreadtrum sc6531e xring o1 ( 3 nm ) mediatek mt6761 helio a22 ( 12 nm )
GPU
 immortalis-g925 mp16 powervr ge8320
Memory card
 microSD No microsdxc ( dedicated )
Memory v1
 256gb 12gb RAM 32gb 2gb RAM
Memory v2
 512gb 12gb RAM | 1tb 16gb RAM
Primary camera
qvga
50 megapixel| lens aperture1.8 | ( wide ) | 1/2.76" | 0.64µm | phase detection autofocus
8 megapixel| ( wide )
0.3 mega pixel
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
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 | hotspot
Bluetooth
 2.1.0 5.4 | a2dp | le | lhdc 5 5.0 | a2dp | le
GPS
 Yes with a-gps glonass bds
NFC
 No Yes ( data transfer only ) No
Radio
 FM Radio No unspecified
USB
 microusb USB Type-C 3.2 gen2 | otg | accessory connector pins microusb 2.0
Sensors
 fingerprint ( side-mounted ) | accelerometer | gyroscope | proximity | compass accelerometer
Battery
 Li-lon 3000 mAh battery 12000 mAh li-po 5000 mAh | Non-removable
Battery Charge
 120w wired | pd3.0 | 7.5w reverse wired
Colors
 black, gray, blue, white, green, brown, yellow gray, blue green color gradations, blue color gradations, black
Network technology
 gsm No cellular connectivity gsm / hspa / lte
5G bands
Network speed
 hspa 42.2/5.76 mbps lte
GPRS
 Yes n/a
EDGE
 No n/a
Approx price
  • 20 GBP
  • 26 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
  • 710 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
  • 70 GBP
  • 86 EUR
  • 790 NOK
  • 900 SEK
  • 5100 RUB
  • 90 USD
  • 430 BRL
  • 120 AUD
  • 110000 KRW
  • 11000 JPY
  • 120 SGD
  • 370 MYR
  • 300 AED
  • 1400 ZAR