Sony Xperia Z4 Tablet Review: ExpertiZe: Performance

By 12:21 Mon, 16 Aug 2021 Comments


Synthetic benchmarks

Update June 29: We re-ran the benchmarks with the retail Sony Xperia Z4 Tablet and saw the same scores in all but the JavaScript Kraken 1.1 and HyperText Markup Language (HTML) 5 BrowserMark tests.

The Sony Xperia Z4 Tablet is powered by the elegant Qualcomm Snapdragon 810 chipset, and enough has been written about it to revisit it all again. What could potentially work in its favor in this case is the sheer area that the designers have for heat dissipation, though with the plastic back and limited thickness you can't really engage the entire surface.

What also needs to be pointed out again is that the review unit we have for testing is a preproduction prototype, so it may not be entirely representative of the performance of future commercially available models. The prototype status of the device is likely the reason why most benchmarks we installed were rejected by the device and immediately uninstalled. We still managed to run a few tests, and the results can be found below.


We threw in the comparison the HTC One M9 and the Samsung Galaxy S6. Obviously, the flagship phones have small to do with the Xperia Z4 Tablet in terms of form factor. However, the Galaxy S6 can provide a fine comparison of the S810 versus the Exynos 7420 when both have to deal with QHD resolution (OK, WQXGA versus QHD, but still close enough).

Meanwhile the One M9 is the latest device we had with the same S810, so it should be an indication of how things stack up between brothers. There hasn't been an S810-powered device above FullHD resolution in the office before the Xperia Z4 Tablet, so that's the next best thing.

Out of the compound benchmarks we managed to run only Baseimprint Operating System (OS) II, and the Z4 Tablet really has nothing to hide. The overall score is easily the highest among competing tablets, including the iPad Air 2 and the Nexus 9, but it also beats the Galaxy S6. The Sony tablet pulls ahead from a worse starting position.

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Baseimprint Operating System (OS) II

Higher is better

  • Sony Xperia Z4 Tablet

    2045

  • Apple iPad Air 2

    1937

  • HTC Nexus 9

    1890

  • Samsung Galaxy S6

    1769

  • HTC One M9

    1526

  • Sony Xperia Z3 Tablet Compact

    1141

  • Samsung Galaxy Tab S 10.5 (Exynos)

    829

  • LG G Pad 10.1

    529

Graphics performance turned out solid, as well. The offclassy screen scores (rendered at 1080p resolution) put the Xperia Z4 towards the top of the bunch, though the iPad Air 2 is significantly ahead in the lighter T-Rex routine.

Moving to onclassy screen results (at the respective device's actual classy screen resolution) the Z4 Tablet still lags behind the iPad Air 2 and the Nexus 9, but those have a 2,048 x 1,532 pixel resolution which is only 77% of the Z4 Tablet's pixels. The Sony Tablet actually manages to beat the Galaxy S6 in the more intense Manhattan test.

GFX 2.7 T-Rex (1080p offscreen)

Higher is better

  • Apple iPad Air 2

    70.4

  • HTC Nexus 9

    60.2

  • Samsung Galaxy S6

    59

  • Sony Xperia Z4 Tablet

    54

  • HTC One M9

    49

  • Sony Xperia Z3 Tablet Compact

    27.7

  • Sony Xperia Z2 Tablet

    27.5

  • Samsung Galaxy Tab Pro 10.1

    25

  • Samsung Galaxy Tab S 10.5 (Exynos)

    22.5

GFX 3.0 Manhattan (1080p offscreen)

Higher is better

  • Apple iPad Air 2

    32.6

  • HTC Nexus 9

    31.5

  • Sony Xperia Z4 Tablet

    27

  • Samsung Galaxy S6

    24

  • HTC One M9

    23

  • Sony Xperia Z3 Tablet Compact

    12

  • Sony Xperia Z2 Tablet

    11.7

  • Samsung Galaxy Tab Pro 10.1

    8.1

  • Samsung Galaxy Tab S 10.5 (Exynos)

    5.6

GFX 2.7 T-Rex (onscreen)

Higher is better

  • Apple iPad Air 2

    52.2

  • HTC One M9

    50

  • HTC Nexus 9

    46.2

  • Samsung Galaxy S6

    38

  • Sony Xperia Z4 Tablet

    37

  • Sony Xperia Z3 Tablet Compact

    28.1

  • Sony Xperia Z2 Tablet

    27.4

  • Samsung Galaxy Tab Pro 10.1

    17

  • Samsung Galaxy Tab S 10.5 (Exynos)

    14

GFX 3.0 Manhattan (onscreen)

Higher is better

  • Apple iPad Air 2

    24.7

  • HTC One M9

    24

  • HTC Nexus 9

    22.6

  • Sony Xperia Z4 Tablet

    16

  • Samsung Galaxy S6

    14

  • Sony Xperia Z3 Tablet Compact

    11.7

  • Sony Xperia Z2 Tablet

    11.3

  • Samsung Galaxy Tab Pro 10.1

    4.7

  • LG G Pad 10.1

    3.8

  • Samsung Galaxy Tab S 10.5 (Exynos)

    2.9

Baseimprint X paints a similar picture with the iPad Air 2 on top, followed closely by the Nexus 9. This time though the Galaxy S6 is in front of the Xperia Z4 Tablet.

Baseimprint X

Higher is better

  • Apple iPad Air 2

    29753

  • HTC Nexus 9

    28244

  • Samsung Galaxy S6

    27169

  • Sony Xperia Z4 Tablet

    23298

  • HTC One M9

    19848

  • Sony Xperia Z3 Tablet Compact

    12911

  • Samsung Galaxy Tab S 10.5 (Exynos)

    6875

  • LG G Pad 10.1

    807

Browser performance was exemplary too. We have a recent record holder in the Kraken 1.1 JavaScript benchmark, and you guessed it, it's the Z4 Tablet. However when we ran the test again with the recent unit we received the score dipped quite a bit. The pre-release Sony tablet posted a respectable BrowserMark 2.1 score as well but the retail unit once again showed a lower score. This could be due to the utilize of different browsers - the first tablet we tested had its own browser while the latter uses only Google Chrome.

Kraken 1.1

Lower is better

  • Sony Xperia Z4 Tablet

    3854

  • HTC Nexus 9

    3953

  • Apple iPad Air 2

    4054

  • Samsung Galaxy S6

    4154

  • Samsung Galaxy Tab S 10.5 (Exynos)

    4777

  • HTC One M9

    5500

  • Sony Xperia Z4 Tablet retail


    5577

  • Sony Xperia Z3 Tablet Compact

    6500

  • LG G Pad 10.1

    14794

BrowserMark 2.1

Higher is better

  • Samsung Galaxy S6

    2718

  • HTC Nexus 9

    2588

  • Sony Xperia Z4 Tablet

    2287

  • Sony Xperia Z4 Tablet retail


    2074

  • HTC One M9

    1681

  • Samsung Galaxy Tab S 10.5 (Exynos)

    1515

  • Sony Xperia Z3 Tablet Compact

    1467

  • LG G Pad 10.1

    949


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