Why are some CPUs different in performance although they have the same specs?

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Michael_424

Commendable
Oct 3, 2016
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Hello,
I'm talking about the CPUs of smartphones and I think they are very similar to the CPUs of computers.
I bought two smartphones that have the same specs but they are form different companies. The only difference is the RAM and Price. One of them has 1GB of ram (1000 L.E. Price) and the other is 512 MB of Ram (450 Price).
They both have the following specs:
CPU: Quad core 1.3 GHz.
GPU: Mali-400 MP

When I play the same game I feel like the 1GB RAM phone is much more powerful and have higher performance than the other although they have the same GPU. I tried many smartphones and I found that a cheaper phone have less performance although they have almost the same specs.

My questions is why performance is not related to specifications?
- Is it the internal design of a cpu?
- Is it the material of a cpu?
- Do companies lie about specs?
- Do RAM mainly affect gaming no matter the GPU is?

What is the secret? and How can I know that a phone is very good at gaming?
Thank you very much,
 
Solution
Ecky
Performance IS related to specifications, you're just not seeing all of them. One phone may have an ARM Coretex A53, while the other may have a Coretex A73. Although they will both be ARM-based quad core CPUs, they may have the same clockspeed, and may even have the same GPU paired with them, the performance and power consumption of both of these CPUs will be wildly different because they're very different CPUs.

EDIT: Much like a Pentium D was a dual core at ~3ghz, and a Pentium G4400 from 12 years later is also a dual core at ~3ghz, the newer Pentium will be in the range of 3-4x faster, perhaps more, because core count and clockspeed are only two factors out of literally thousands that affect the internal workings of a CPU.

RAM...
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Ecky

Ecky

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Feb 3, 2013
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Performance IS related to specifications, you're just not seeing all of them. One phone may have an ARM Coretex A53, while the other may have a Coretex A73. Although they will both be ARM-based quad core CPUs, they may have the same clockspeed, and may even have the same GPU paired with them, the performance and power consumption of both of these CPUs will be wildly different because they're very different CPUs.

EDIT: Much like a Pentium D was a dual core at ~3ghz, and a Pentium G4400 from 12 years later is also a dual core at ~3ghz, the newer Pentium will be in the range of 3-4x faster, perhaps more, because core count and clockspeed are only two factors out of literally thousands that affect the internal workings of a CPU.

RAM affects how much active memory your phone has to run things in. If a game needs 700MB to run, and one phone has 512MB while the other has 1024MB, the 512MB phone may not even be able to open the game, or it may run extremely poorly because there simply isn't enough memory for it, and parts of it need to be "swapped" to slow flash storage.
 
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Solution
MrN1ce9uy

MrN1ce9uy

Judicious
Aug 20, 2009
6,954
638
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I've noticed with phones today that RAM plays a large factor.

I have a BLU R1 HD with 2GB RAM and it's much faster than another one that only has 1GB RAM even though they both have the same 1.3GH quad core. The 1GB hangs up and quits responding for several seconds quite often.
 
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AqwBroders

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Aug 26, 2016
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The performance of the CPU's are also based on how many transistors that fits ín the nm structure of the CPU and the smaller NM structure that the CPU has the more transistors will fit. This is a really crucial part as well and not only core count and clockspeed as you're saying.
 
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