Android Buyers Guide: Planning to get an Android mobile but confused between various options? Go through the 4 points below to know what to get and what to avoid:
Display:
Avoid any Android mobile with QVGA resolution (240X320) as most apps as well as games no longer support it. Avoid mobiles with odd resolution like (768X1024 or 600X1024) as it'll lead to same problem as above. Try to go for the mobile with highest PPI (pixel per inch) as lower PPI means blurry images and text.
AMOLED/IPS doesn't mean that display will be better rather AMOLED means better black level whereas IPS means better viewing angle. Gorilla Glass is prone to scratches so a scratch guard is always recommended.
Processor:
Avoid any Android mobile with ARM11 processing core as those are no longer supported by majority of the apps or by Google itself. Clock-speed doesn't matter. You can get 1Ghz processor based Android for just 3k which mayn't even support the basic games. All Android mobile processor has a GPU integrated into the processor/chipset. Irrespective of mobile or manufacturer, if chip-set is same then GPU will be same as well. Performance wise Cortex A5, Scorpion, Cortex A7, Cortex A9, Krait, Cortex A15. Performance scales equally with increase in cores.
Memory:
To run smoothly Android mobile need 512MB or more ram depending on the display resolution and processor. Less ram means slowdown. You get roughly 50% free ram for use once your mobile boots up as GPU & Android system requires system ram. Rom memory is not same as internal memory. Rom memory is the total memory whereas the free memory is the internal memory. Mobiles with more than 5GB storage have multiple partition: apps memory (dedicated to apps) as well as user accessible memory.
Battery:
Check that the mobile ships with at least 1500mah battery else get ready to charge 2 times per day. Bigger display will require more battery so if screen size is 4.5+ check that battery is more than 2000mah.
AMOLED is a real battery saver so expect more battery backup. Try to avoid mobiles with integrated battery as if there is any kind of problem, turning off mobile can be a bit difficult.
SOC performance:
Position Chipset
1 Samsung Exynos 5410 (octacore)
2 Qualcomm Snapdragon APQ8064 (quadcore)
3 Qualcomm Snapdragon MSM8960/Pro (dualcore)
4 Nvidia Tegra 3+ AP37 (quadcore)
5 Intel Atom Z2480
6 Samsung Exynos 4412 (quadcore)
7 Nvidia Tegra 3 AP30H/33H (quadcore)
8 MediaTek MT6589 (quadcore)
9 Texas Instruments OMAP 4430 (dualcore)
10 Broadcom BCM28155 (dualcore)
11 ST-Ericsson Novathor U8500 (dualcore)
12 Intel Z2420
13 MediaTek MT6577/T (dualcore)
14 Qualcomm Snapdragon MSM8260 (dualcore)
15 Qualcomm Snapdragon MSM8225Q (quadcore)
16 MediaTek MT6575/6515
17 Broadcom BCM21654
18 Qualcomm Snapdragon MSM8225 (dualcore)
19 Qualcomm Snapdragon MSM7227A
20 Qualcomm Snapdragon MSM7225A
21 Broadcom BCM21654G
22 Spreadtrum SC6820/SP6820
GPU performance:
Position GPU
1 SGX 544MP3 (3core)
2 Adreno 320
3 Mali 400MP (4core)
4 ULP GeForce
5 Adreno 225
6 SGX 540
7 Adreno 220
8 Videocore 4 (2core)
9 Mali 400
10 Videocore 4
11 SGX 531
12 Adreno 203
13 Adreno 205
14 Adreno 200
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