Samsung Galaxy S21 vs Galaxy S21 Plus

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Samsung Galaxy S21+
Samsung nixed the curved 1440p display panels of the S20 and S20+, and replaced them with flat 1080p ones for the S21 and S21+, and we may be all the better for it, as the new panels offer much improved battery life, as well as cater to the “never-curved” crowd. The downsides are a bit more width in comparison with their S20 series predecessors, and a tad thicker bezel, as Samsung shaved off the chin of the S21 and S21+, but spread the remaining width around the frame to make the phones look more symmetrical at the front.
With lesser display specs come lesser Galaxy S21 and S21+ prices, compared to the S20 and S20+ launch tags. In fact, from a pricing standpoint the fight would rather be between the S21 and the iPhone 12, and S21+ vs 12 Pro, for instance, rather than the Max, since they start from the same base price position.

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Samsung Galaxy S21 vs Galaxy s21+ display size and specs

  • 6.2″ FHD+ vs 6.7″ FHD+ dynamic 120Hz refresh flat displays
  • 5nm Snapdragon 888/Exynos 2100
  • Integrated 5G modems
  • 8GB RAM, 128GB/256GB storage

The 6.2″display size of the Galaxy S21 is way smaller than the 6.7″ panel of the S21+ which makes the middle child only slightly smaller than the S21 Ultra. As we mentioned, the phones are a tad wider this time around, but thanks to the tall aspect ratio still bearable for one-handed usage, especially the S21 which could very well be called a compact phone in this day and age. Moreover, Samsung offers more screen real estate, as there is no unsightly notch at the top, just the front camera opening pierced into the screen in a so-called Infinity-O design.

As for advantages under the hood, Galaxy S21 is powered by the newest Snapdragon 888 in the US which may not beat Apple’s A14 in raw benchmarks, but has the exciting advantage to ship with a fully integraated 5G modem, as opposed to Apple’s tack-on modular solution that is a battery hog. Consequently, Qualcomm boasts up to three times performance per watt improvement when compared to the Snapdragon 865 in the S20.

The 888 chip features the Kryo 680 CPU which Qualcomm says is 25 percent more powerful and 25 percent more power-efficient than the previous generation. The primary core is based on Arm’s Cortex-X1 design, just like Samsung’s other S21 chipset, the Exynos 2100

Samsung Galaxy S21 vs Galaxy S21+ battery life and charging speeds

  • 4000mAh vs 4800 mAh
  • 25W/30W/45W wired charging
  • 15W wireless charging

Take the battery unit of the S21, for instance whose model number is EB-BG991ABY, sound familiar? It is actually similar to the 4000mAh EB-BG980ABY piece that is found inside the S20 as well, so battery life should be about the same, right? Well, not really, and here’s why. 

The FHD (S21) vs QHD (S20) display

While the Galaxy S20 is equipped with an overkill 1440p resolution on a comparatively tall and narrow 6.2″ screen, Samsung went the smarter route this time around, and is launching the S21 with a 1080p panel. The lower pixel density makes for a much more frugal panel, as there are 1MM+ less pixels to light up and manage with the graphics subsystem. Our own battery tests show that phones with FHD screens perform 20-30% better in terms of battery life than those with QHD or higher screen resolutions when we average out for the battery capacity difference. 

Tap the lower band of that range, and the S21 should outlast the S20 with two hours, hitting a tenner in our browsing and scrolling battery test, all other things being equal. The point is they won’t be equal, however.

The 5nm (S21) vs 7nm (S20) processor

Compared to the second-gen 7nm (7LPP) Snapdragon 865 processor in the S20, made in the TSMC foundry, the 5nm Snapdragon 888 is made using Samsung’s new EUV process. The fact that Qualcomm not only switched nodes from 7nm to 5nm, but also the foundry itself , is a vote of confidence in Samsung’s Extreme UltraViolet (EUV) lithography. 

According to Samsung, its 5nm EUV process offers not only a fifth smaller footprint of the chipset at the same performance, but also about 20% smaller power draw. Alternatively, phone makers can choose to gain a 10% performance increase at the same battery consumption. Given that mobile chipsets are already powerful enough for anything you may throw at them, and the new X1 cores are clocked at the same 2.84GHz as the 865, Samsung is likely to go with the generous power consumption decrease. 

The integrated (S21) vs standalone (S20) 5G connectivity

The 7nm vs 5nm process alone won’t make a significant extra difference in battery life between the two phones, though, as the main power draw comes from the display. The phones’ 5G connectivity battery draw, however, will, as maintaining a link to the 5G network is a battery hog. Why? Well, first off, before Snapdragon 888, only Huawei had integrated 5G system-on-a-chip (SoC) for flagship phones. Qualcomm made do with chipsets like the 765 in the Pixel 5 or LG Velvet, which, albeit having the 5G modem as an integral part of the chipset, are a far cry from its 8-series in terms of performance.
With Snapdragon 888, however, Qualcomm managed to finally do what it does best – pair the fastest ARM Cortex cores available with a new powerful Adreno 650 graphics AND fuse them with the X60 5G modem that is also made on the 5nm process. That alone amounts for a significant drop in power consumption when connected to a cell tower but Korean media just reported that there will also be improvements in the 5G antenna hardware. 

Next-gen 5G antenna isolation

Fast 5G networks like Verizon’s Ultrawide Band (UWB) mmWave can carry a lot of data at once and fast, but have very bad signal penetration that forces phone makers to slap a bunch of extra antennas all around their handsets just so that the signal can pass through your grip alone. 

The Elec, however, is reporting that Samsung will use the next generation of low permittivity polyimide (PI) films for the 5G antennas in the Galaxy S21 phones. This means easier signal passthrough, and less toll on the battery. Taken individually, all these power draw improvements, with the exception of the lower pixel density, may not amount to much, but as a whole, should provide a healthy boost to the Galaxy S21 battery life from the same 4000mAh battery capacity.

Galaxy S21+ battery life improvements over the S20+

  • 4800mAh battery vs 4500mAh in S20+
  • 1080p display vs 1440p on the S20+
  • Frugal 5nm chipset with integrated 5G modem vs 7nm and standalone on S21+
  • Next-gen 5G antenna isolation film
For the 6.7″ Galaxy S21+, Samsung went a slightly different route, perhaps because the S20+ sales were a surprise hit at launch. Not only will it ship with an FHD instead of QHD display resolution, too, just like the S21, but Samsung is using the larger body to also fit a larger battery compared to its predecessor. 

Just 200mAh short of the giant 5000mAh battery in the S20 Ultra, the S21+ pack could catapult it to the top of the Galaxy S21 series battery life pile, as all other energy-saving components – 5nm chipset, integrated 5G modem and better antenna isolation – also apply to the S21+ as well. 

Samsung Galaxy S21 vs Galaxy S21+ cameras comparison

  • 12 MP main sensors
  • 64MP crop zoom cameras
  • 12MP ultrawide-angle cameras

Unfortunately, when it comes to the Galaxy S21 and S21+ cameras, Samsung isn’t changing much compared to the S20 and S20+, if we don’t count the actual pretty camera island design that blends with the side frames of the upper right corner on the back. 

Don’t let the high megapixel count of the Galaxy S21 zoom camera fool you, as the Galaxy S21 and S21+, just like the S20 or S20+ before them, lack a periscope or telephoto zoom camera. They use a 64-megapixel secondary camera for the purpose, and Samsung itself admits that what it calls a “telephoto camera” actually sports a lens that is very much wide-angle, almost as wide as the lens on the main camera. 

The “telephoto” lens only provides a 1.06 zoom compared to the regular camera, so all the zooming is actually almost entirely based on software – cropping and merging with the information from the main sensor. The end result, however, is good pictures and lower pricing compared to their predecessors, so we can’t rant too much about the lack of a meaningful upgrade.

Source PhoneArena – Reviews

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