Sony Xperia Z4 Tablet LTE vs. Nokia T20: A Detailed Comparison

The tablet market offers diverse options, from powerhouses to budget-friendly choices. Today, we pit the aging but impressive Sony Xperia Z4 Tablet LTE against the more recent Nokia T20. Both aim to deliver a solid Android experience, but their approaches and capabilities differ significantly. Let's dive in!
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🏆 Quick Verdict

The Xperia Z4 Tablet LTE boasts significantly superior performance thanks to its Snapdragon 810 chipset and exceptional battery life. However, the Nokia T20 offers a more modern software experience and potentially better availability. For raw power and endurance, the Z4 wins, but the T20 is a more accessible option.

PHONES
Phone Names Sony Xperia Z4 Tablet LTE Nokia T20
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - US, LATAM
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 401, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 40, 66 - US, LATAM
SpeedHSPA 42.2/5.76 Mbps, LTE Cat6 300/50 MbpsHSPA, LTE Cat4 150/50 Mbps - cellular model only
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 -1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - International
Launch
Announced2015, March. Released 2015, June2021, October 06
StatusDiscontinuedAvailable. Released 2021, November 02
Body
Build-Glass front, aluminum back
Dimensions254 x 167 x 6.1 mm (10.0 x 6.57 x 0.24 in)247.6 x 157.5 x 7.8 mm (9.75 x 6.20 x 0.31 in)
SIMNano-SIMNano-SIM (cellular model only)
Weight393 g (13.86 oz)465 g (Wi-Fi), 470 g (LTE) (1.03 lb)
 IP68 dust/water resistant (up to 1.5m for 30 min)Splash resistant
Display
ProtectionScratch-resistant glass, oleophobic coatingScratch-resistant glass
Resolution2560 x 1600 pixels, 16:10 ratio (~299 ppi density)1200 x 2000 pixels, 5:3 ratio (~224 ppi density)
Size10.1 inches, 295.8 cm2 (~69.7% screen-to-body ratio)10.4 inches, 307.9 cm2 (~78.9% screen-to-body ratio)
TypeIPS LCDIPS LCD, 400 nits (typ)
 Triluminos display X-Reality Engine-
Platform
CPUOcta-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
ChipsetQualcomm MSM8994 Snapdragon 810 (20 nm)Unisoc T610 (12 nm)
GPUAdreno 430Mali-G52 MP2
OSAndroid 5.0 (Lollipop), upgradable to 7.1 (Nougat)Android 11, upgradable to Android 13
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 3GB RAM32GB 3GB RAM, 64GB 4GB RAM
 eMMC 5.0eMMC 5.1
Main Camera
FeaturesHDRLED flash
Single8.1 MP, AF8 MP, AF
Video1080p@30fps, HDR1080p@30fps
Selfie camera
Single5.1 MP5 MP
Video-Yes
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth4.1, A2DP, LE, aptX5.0, A2DP, LE
NFCYesNo
PositioningGPS, GLONASS, BDSGPS - cellular model only
RadioFM radio, RDSFM radio
USBmicroUSB 2.0 (MHL 3.0 TV-out)USB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsAccelerometer, gyro, compassAccelerometer
 ANT+-
Battery
Charging18W wired, QC215W wired
TypeLi-Po 6000 mAh, non-removableLi-Po 8200 mAh
Misc
ColorsBlack, WhiteDeep Ocean
ModelsSGP771TA-1397, TA-1394, TA-1392
PriceAbout 500 EURAbout 200 EUR
SAR-1.34 W/kg (body)
SAR EU-1.35 W/kg (body)
Tests
Battery life Endurance rating 105h -

Sony Xperia Z4 Tablet LTE

  • Exceptional battery life (105h)
  • Powerful Snapdragon 810 chipset
  • High-resolution display (2560x1600)
  • Larger screen size (10.1 inches)
  • Water resistant design (likely, based on Z series history)

  • Older chipset (may lack latest features)
  • Software updates may be limited
  • Potentially harder to find new
  • Design is dated

Nokia T20

  • More modern software experience (Android 11/12)
  • Better availability
  • Budget-friendly price
  • Durable build quality
  • Relatively compact and lightweight

  • Weaker performance compared to Z4 Tablet
  • Shorter battery life
  • Lower screen resolution
  • Less powerful chipset

Display Comparison

The Nokia T20's display boasts a measured 422 nits brightness and a 1786:1 contrast ratio, offering a generally pleasant viewing experience. The Z4 Tablet, while lacking specific brightness measurements, features a 10.1-inch IPS LCD display with a resolution of 2560 x 1600, providing sharp visuals and vibrant colors. The Z4's higher resolution gives it a slight edge in clarity.

Camera Comparison

Neither tablet excels in the camera department. The Z4 Tablet has an 8MP rear camera and a 2MP front camera, while the Nokia T20 features an 8MP rear camera and a 5MP front camera. Image quality is acceptable for casual snapshots, but don't expect stunning results. The T20's front camera might be slightly better for video calls.

Performance

Here's where the Z4 Tablet truly shines. Its Snapdragon 810 chipset, while older, still delivers significantly more processing power than the Nokia T20's Unisoc T610. Expect smoother multitasking, faster app loading, and better gaming performance on the Z4. The T20 is adequate for everyday tasks but struggles with demanding applications.

Battery Life

The Xperia Z4 Tablet LTE's battery life is legendary, boasting an endurance rating of 105 hours. This is a massive advantage over the Nokia T20, which offers a respectable but considerably shorter battery life. The Z4 can easily last for several days on a single charge with moderate usage.

Buying Guide

The Sony Xperia Z4 Tablet LTE is ideal for users prioritizing performance, long battery life, and a larger screen for media consumption and productivity. The Nokia T20 is a better fit for those seeking a reliable, budget-friendly tablet for basic tasks, reading, and light entertainment, especially families.

Frequently Asked Questions

❓ Is the Sony Xperia Z4 Tablet LTE still worth buying?
If you prioritize performance and battery life above all else, and can find one in good condition, it's still a compelling option. However, consider the age and potential lack of software updates.
❓ What Android version does the Nokia T20 ship with?
The Nokia T20 initially shipped with Android 11, with a promise of upgrades. Check the current software version before purchasing.