As for my self i started from super skinny guy. I've been lifting for about 1 year already .
There's a lot of gain already but still i feel i'm not making much progress..
Started from 60kg bulk up ---> 80kg . Now im on cutting phase weight@75kg .
I eat well , rest well , lift everyday ( including deadlift , squat ) , cardio every 2 or 3 days..
but my chest still pretty flat , back not wide , arms still small not a single vein can be seen etc.

I know a guy a friend of mine who used to be really fat ( Obese ) just started to working out not even half of years , now his body is more well defined and more muscle better than some guys who have been lifting for years..back are wide , traps are huge , arms well define and massive vein on it..legs are huge etc.
but if he is shirtless , u can see that he have excess skin ( i don't know what to call it ) around his chest and stomach..
but he makes really fast progress while i'm really slow i guess..

So my question is , am i progressing really slow ?
Is there any difference comparing a guy who started skinny with a guy who started fat ?
Any tips for me ? Thanks

Some skinny guy are harder to pack on muscle. But harder =/= impossible. Just you might take longer period. Compare with yourself, not with your friend. As long as you are gaining, continue what you are doing. Don't care how others progress. Some just have a better genetics. But don't give up. It's a marathon not a sprint.

And actually you don't need to train EVERYDAY. 4-5 times per week is quite optimal for most people. And let your body and mind rest too. Vein are depends on genetic and your body fat. Keep cutting and vein will pop out automatically. As for your chest and back, make some mind connection and focus on contracting your targeting muscle instead of arm.

Do you mind post your routine and sample daily diet? Basically lack of progress are due to this two reason. And it is easier for others to critique/advice if you post them out.

IMO , both have their difficulties. I do admire skinny people though, they have little to no worries on packing muscles with minimal fat gain. There was a saying "Would you rather look good shirtless or look big in clothes but not jacked , why not both"

Thanks for ur feedback bro..really make me feels motivated again .
I admit it that sometimes i feel like giving up after seeing people around me making really fast progress.
Sometimes i feel disappoint with myself seeing them working out once in awhile ( on and off ) but they do have well defined body or at least better than me .

My routine as for now -
Monday - Back / Bicep
Tuesday - Chest
Wednesday - Shoulder / Tricep
Thursday - Off ( Rest ) / Jogging
Friday - Legs
Saturday - Chest
Sunday - Off / Jogging

* I workout my chest twice a week because my chest really weak and it's the part that i really don't see progress.

My diet as for now :-
Breakfast - 2-3 Eggs or Oat with cup of milk
Lunch - Rice with egg + chicken breast + vegie
Pre workout - Usually i just eat bread with peanut butter
Post workout aka dinner- 1/4 steamed chicken ( Sometimes with rice )
Late night - 2-3 boiled eggs / breads with peanut butter.

Your diet seems ok as long as you track the calorie and maintain it.

Routine wise, what's your lift? If you squat less than 2 plate and deadlift less than 3 plate, I would suggest you to forget the body split. Go for upper/lower would be better IMO. Because frequency > volume. Most of your body part doesn't require a full week of rest during your age.

How do you progress with your lift? If you not sure about progressing overload, it's always better look for some programmed routine and follow the progression scheme. It would certainly improve your lift.

Per plate is 20kg? Or 25kg?

1 plate is 20kg. I don't think most gym provide 25kg plate. So 1 plate means 20kg each side with barbell = 60kg.
2 plates = 100kg.
3 plates = 140kg.

It might differ for each person but IMO, before you hit those number, I strongly believe we still got a lot of noob gain and by following some beginner or upper lower routine, we can hit those number quite easily.

standard olympic barbell should be 20kg right. U using ez curl bar or the bar with spin collar? Even the ez curl bar at my gym weigh 7.5kg.