Best LGA 1155 CPU 2021!

These are the best LGA1155 CPUs in 2021, featuring all your familiar consumer-focused favourites like Intel Core i5 and i7, hyperthreaded quad core and octa core models for a total of 8 or 16 threads, K series for the best, easiest, fastest overclocking from base clock speeds of 3.4GHz and 3,9GHz (which is already pretty fast) up to a 4.3GHz boost clock, these 3rd Gen LGA 1155 CPUs will power your aging machine until you're ready to upgrade your whole system.

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📖 Transcript:

These are the best LGA 1155 CPUs in 2021, welcome to PCG.

Number 3

i7 3770K
If you’re determined not to fall behind in gaming or general computational contexts, the Intel i7-3770K is hands down your best option. Featuring four hyperthreaded cores with 8 threads in total, multitasking isn’t a problem. You’ll even be able to run pretty advanced video editing or 3D rendering software without any hiccups.

While you’re stuck with a maximum of four cores no matter which LGA 1155 CPU you settle on, the i7-3770K features the cream of the 2nd and 3rd gen core crop. Not only do they provide faster per-core performance than most other LGA 1155 CPUs, but they also feature hyperthreading, offering huge potential for multitasking. If you appreciate versatility in a PC, the i7-3770K won’t disappoint

Number 2

i7 3770
Our second LGA 1155 champion is the i7 3770, which is virtually the same chip as our top pick, but it can be snatched up for a song. We’re talking almost a third of the price of the K-series chip. That probably sends your spidey senses tingling, alerting you that something’s not quite right, and while it’s shrewd to be weary, honestly, it’s just a fantastic value-for-money chip.

That’s not to say there aren’t some minor differences. They’re just majorly disproportionate to the huge amount of money you save. All you’re missing out on when you drop that ‘K’ suffix is 1GHz of base clock speed, leaving you with 3.4GHz, yet parity remains intact in terms of boosted rate, maxing out at 3.9GHz. The only other difference between this and the K-series chip is that you don’t get quite as much thermal headroom for overclocking, but you can still push 4.3GHz without too many problems at all.

Number 1

i5 3570
Some gamers may be put off by the fact it’s a single-thread quad-core CPU, but therein lies this chip’s biggest strength. The single-thread cores excel during focused tasks, giving this chip a similar gaming performance as our top two cards. The price you pay is a reduced capacity for shouldering parallelizing workflows, but if all you’re after is a standalone gaming CPU, the i5-3570 is everything you’ll need to play most modern games.

Sharing the same 3.4GHz base clock speed as the i7 3770, it only drops a 1GHz from our top two pick’s 3.9GHz maximum boosted rates. These epic clock speeds are another reason why this chip doesn’t lag behind its more expensive CPU cousins. What this chip is lacking in is the ability to deal with threaded workloads, so if you often challenge your CPU with simultaneous applications and demanding programs, it’s probably not the chip for you.

⏱ Timestamps:

0:00 - 0:05 Intro
0:06 - 1:00 i7 3770K
1:01 - 1:54 i7 3770K
1:55 - 2:53 i5 3570

[srblazealot]

I'm running a i7 3770 with with an rx570 and 16gb pny ram on an old Dell motherboard and I'm really surprised how much performance im getting. I must have hit the cpu and gpu lottery because I'm getting way better performance than anyone else I've seen with those specs. It doesn't make any sense. I've been playing "high on life" on high settings (while high) lol and I average 90fps. I want to get the k series but not sure how much it would help. I built it myself and spent about $300. I'm really satisfied so far and haven't had any issues running any game. I can't believe hardware from 2012 would still hold up so well.

[rubendariocastillosanchez]

I still have my i7 3770k and word perfect, I just upgrade my graphic card, I just play old games...

[Sirahz]

Can any of these pair with the rtx 4060?

[jpaqpc]

Intel Core i7-3770 CPU, 4 core, 8 thread, 3.4/3.9 GHz, LGA 1155, HD 4000 graphics

[spikestips]

Best intel 1155 cpu is a:

delided intel xeon e3-1290 v2 intel confidential QC3W thats unlocked since its a sample.

I have a i7 3770k delided with a solid copper IHS over clocked to 4.9ghz, So the sample could go much higher plus it was more L3 cach and no intergrated graphics it would run cooler.

[davidbrandenburg]

dude you want us to believe that the first cpu you showed was a intel cpu but by the pin layout thats a amd fx series/phenom am3 cpu!.

[Nxlow]

3770k is almost a 2600 if you find the 2600 cheaper just buy the 2600 the difference is not that much in performance

[RTXTI-xo]

I have g2030 and thinking upgrade on i7 3770 but you placed i7 3770 in 2nd place and i5 3570 at 1st placed why??? Was i7 3770 don't have more performance that i5 3570?

[AlosazealYT]

what's the difference between lga 1155 and lga 1155 sandy bridge

[samrinfurtado]

I want to buy brand New i7 3770 3.4Ghz up to 3.9Ghz with 4 core 8 thread processor , can any one suggest me from where i can buy ?? I am located in India goa .

[suleymanuludag]

my CPU is i5 3570. I am a gaming oriented person. Do you think this cpu will still work today?

And my gpu is msı GeForce gtx 950 2gb 128 bit

[turtlecactus]

Any good 1155 boards that can overclock?

[nounonarabara]

please my cpu is "Intel Pentium G2030 @ 3.00GHz" socket FClga 1155 can I upgrade to i7 3770 LGA 1155 (no fca) ? please ansswer with yes or no ?

[darkstarboydan]

i am buying a gtx 1060 for my pc, I have i5 2400 but it bottlenecks a lot like so much stutters, Is there a processor in lga 1155 which is best for gtx 1060 and is a little good than i5 2400