The Google Pixel 4 XL Review: Stuck In The Past In 2019
by Andrei Frumusanu on November 8, 2019 11:30 AM EST- Posted in
- Mobile
- Smartphones
- Pixel 4
- Pixel 4 XL
Battery Life
Battery life of the Pixel 4 series was a concern from the very first moment we had confirmation about the phone having a 90Hz panel, yet doing nothing special or even regressing in terms of the battery capacity of the two models. I put the Pixel 4 XL through the paces in all three display modes, testing the battery life at 60Hz, 90Hz auto, and 90Hz forced refresh rates.
Unfortunately, as expected, the results aren’t too fantastic. The device that we should be comparing things to is the OnePlus 7 Pro – both devices feature 1440p 90Hz displays with the same SoC, it’s just that the Pixel 4 XL has a smaller battery at 3700mAh. While the Pixel 4 XL is lagging behind the OP7Pro, the interesting thing is that Google’s 90Hz seemingly uses less of a power hit than OnePlus’ implementation, degrading by 7.7% versus 8.7% when comparing full 90Hz versus 60Hz.
Given the results and the fact that Google dual-sources with LG, I very much doubt the Pixel 4 XL is taking advantage of Samsung’s newest more efficient OLED emitter generation which is said to be 15% more efficient.
In PCMark, the results are also average to bad. 60Hz to full 90Hz incurs a 12.3% penalty, which is again slightly less than the 13.6% of the OnePlus 7 Pro. Naturally we can’t come to a conclusion of saying Google’s 90Hz is more efficient, maybe OnePlus’ 60Hz power management is just better implemented.
Battery Life Conclusion - Average to meagre, still useable for the 4 XL
Overall, the Pixel 4 XL’s battery life isn’t very competitive. It’s amongst the worst results we’ve had for a 2019 device. I have to be accountable to myself here as whilst the phone has worse battery life than the OP7Pro, it’s not that much worse. Having said that the OP7Pro battery life was still completely useable, the Pixel 4 XL is also still very useable as it is. The problem again is that the Pixel came 6 months later, and in the face of a new iPhone generation which brought immense leaps in battery life, the Pixel 4 XL doesn’t seem to be that wise a purchase.
I really find it unfortunate that we weren’t able to test the battery life of the smaller Pixel 4. This model’s 2800mAh battery is 25% smaller and also comes with the wildcard of having an LG panel which historically have always been less power efficient. I can easily imagine that the battery life of that model is outright disastrous, and given coverage by other reviewers, it seem this would be an apt description of the situation.
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dudedud - Friday, November 8, 2019 - link
> rarely see utilization go beyond 900MB on my current phoneAre you using just one app or do you still have a 1GB phone?
PeachNCream - Friday, November 8, 2019 - link
The phone has 2GB of RAM. I use a lot more than one app at a time.Oliseo - Sunday, November 10, 2019 - link
You can't possibly if you're only using less than 1Gb.PeachNCream - Sunday, November 10, 2019 - link
I don't understand why that's so impossible. My prior phone had 1GB and hovered around 600MB utilization with occasional need for up to 750MB. Both my current phone and my prior one saw/see heavy use as a stand-in for my laptop at times when I can't be bothered to turn it on so everything from working on a few documents to gaming have fallen to my phones. On the other hand, I find it odd that people feel RAM-limited at 4GB or would be worried that the next couple of years using a Pixel 4 would push 6GB to its limits.s.yu - Sunday, November 10, 2019 - link
It's perplexing what phone you're using.My S6E eats more than 1GB on a clean boot, and easily surpassed 2GB even in the past when it was still supported. Now it's about a year since it's last update and it could only juggle 2 apps maximum, with lag, and system animations already off. Any additional apps and the oldest will be terminated, not to mention certain popular and well-maintained apps that are just a glorified browser (I'm talking about Taobao and the sort) will only run half-smoothly(it would sometimes get stuck for 3-5 seconds, which was very rare on my Note8) with all background apps terminated, I don't know about hidden processes but in my experience Samsung's app manager puts those to sleep as much as possible, since it puts even active apps to sleep resulting in me missing notifications from almost all apps, only SMS, call, alarm, and occasionally the calendar break through.
I could only tolerate S6E's performance because it's a backup device I only use for occasional communications and shopping, yet it still can't smoothly handle these light loads.
Spunjji - Monday, November 11, 2019 - link
Your RAM usage looks low specifically because you don't have much RAM. With only 2GB of RAM to go around, your apps will be being suspended and thus not running simultaneously.For comparison - my OnePlus 6 has been used for the browser, Signal and WhatsApp so far today and is sitting at 3.7GB of RAM usage.
StormyParis - Friday, November 8, 2019 - link
Very informative thank you; especially the real-life pictures from almost all current flagships.I've jumped off the flagship bandwagon several years back. I'm curious how more reasonnably-priced handset (Redmi Note 10 especialy) would fare.
id4andrei - Friday, November 8, 2019 - link
Great review Andrei but I have some questions regarding the benchmarks in general.First, on the GPU section, how do you corroborate the massive discrepancy between 3dmark GRAPHICS and the GFXBench series of benchmarks? I mean, on the former, the A series GPU seems on par with the competition, but on the latter the A series GPU is orders of magnitude better. I would interpret it that the difference is actually not between the GPUs but between the API implementations, GFX runs in Metal on ios and in Vulkan on android. Am I correct to read it this way?
Secondly, on the CPU side, referencing 3dmark PHYSICS, the A-series actually does not keep up with the competition. Now don't get me wrong, I understand that A13 is the most complex mobile CPU on the market, biggest and most expensive die. I also understand your testing with SPEC in an active cooled scenario. It clearly shows the quality of the design, desktop class arch. On the bursty side, the A13 is also on top, referencing Geekbench and other short benches. Why is the 3d mark PHYSICS the Achilles' heel? Talking "phones in hand", past the burst time interval, is Snapdragon able to sustain its performance better and higher than A13?
Andrei Frumusanu - Friday, November 8, 2019 - link
Adrenos performing well in the 3DMark GPU test might be related to some corner case and their microarchitecture does well there.Similarly, the physics test might have some prefetcher or inter-core dependency limitation that doesn't fare well on Apple's CPUs.
id4andrei - Friday, November 8, 2019 - link
Thank you for the prompt response. On the GPU, if I may, similarly with how javascript tests are also about browser engine optimizations in addition to hardware, isn't the difference between Vulkan and Metal as implemented in their respective OS, an academic asterisk on GFX numbers?