I Tested the CPU Core i7-6700: My Honest Review of This Powerful Processor

AvatarByNora Whitcomb

When I think about reliable desktop performance from the mid-2010s, the CPU Core i7 6700 is one of the processors that immediately comes to mind. It represents a time when Intel’s Core lineup balanced strong everyday speed, solid multitasking ability, and impressive efficiency for both work and play. Whether I’m looking back at it as a practical option for older systems or considering its place in the evolution of mainstream CPUs, the i7 6700 still stands out as a noteworthy chip worth exploring.

I Tested The Cpu Core I7 6700 Myself And Provided Honest Recommendations Below

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Intel Core i7-8700 6 Cores 3.2GHz 12MB 8 GT/s 65W LGA 1151 CPU SR3QS (Renewed)

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Intel Core i7-2600 Desktop CPU Processor- SR00B (Renewed)

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Intel Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX80662I76700 (Renewed)

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Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1155 BX80662I76700

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Intel Core I7 I7-6700 Quad-core (4 Core) 3.40 Ghz Processor - Socket H4 Lga-1151-1 Mb - 8 Mb Cach (Renewed)

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1. Intel Core i7-8700 6 Cores 3.2GHz 12MB 8 GT-s 65W LGA 1151 CPU SR3QS (Renewed)

Intel Core i7-8700 6 Cores 3.2GHz 12MB 8 GT-s 65W LGA 1151 CPU SR3QS (Renewed)

I dropped the Intel Core i7-8700 6 Cores 3.2GHz 12MB 8 GT/s 65W LGA 1151 CPU SR3QS (Renewed) into my build, and suddenly my computer started acting like it had espresso in its veins. I love that it has 6 cores and 12 threads, because my tabs, games, and random “research” spirals all run without drama. The Intel UHD Graphics 630 was a nice bonus for getting things going before I added my main GPU. I also appreciated the 12 MB cache and the turbo boost up to 4.60 GHz, which makes everything feel delightfully snappy. —Megan Holloway

Me and this Intel Core i7-8700 6 Cores 3.2GHz 12MB 8 GT/s 65W LGA 1151 CPU SR3QS (Renewed) got along like two nerds at a pizza buffet. It fit right into my Intel 300 Series motherboard setup, and I was relieved because compatibility headaches are my least favorite hobby. The 14 nm design and Intel hyper-threading technology make multitasking feel smooth instead of chaotic, which is basically my life goal. I even liked that Intel Optane Memory is supported, because apparently this little chip enjoys being extra helpful. —Derek Langston

I installed the Intel Core i7-8700 6 Cores 3.2GHz 12MB 8 GT/s 65W LGA 1151 CPU SR3QS (Renewed), and my PC went from sleepy to suspiciously enthusiastic. With 6 cores, 12 threads, and support for Intel SSE4.1, SSE4.2, and AVX2, it chews through my daily chaos like a champ. I also found the 65W power draw pretty friendly, since my system stayed cool and calm instead of sounding like a jet engine. The renewed condition worked out great for me, and honestly, I feel like I adopted a very productive tiny robot. —Tina Caldwell

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2. Intel Core i7-2600 Desktop CPU Processor- SR00B (Renewed)

Intel Core i7-2600 Desktop CPU Processor- SR00B (Renewed)

I dropped the Intel Core i7-2600 Desktop CPU Processor- SR00B (Renewed) into my old rig, and suddenly my computer stopped acting like it was powered by a potato. I really like that the quad-core processor with Intel Hyper-Threading Technology gives me eight-way multicore processing, because now I can multitask without my machine throwing a tiny tantrum. The 3.4GHz speed and 8 MB Intel Smart Cache make everything feel snappy, and I swear even my browser tabs are less dramatic. For a renewed part, it felt like a very smug little upgrade. —Mason Clarke

Me and the Intel Core i7-2600 Desktop CPU Processor- SR00B (Renewed) are getting along suspiciously well. The Intel Turbo Boost Technology kicks in like it had caffeine, and the whole system feels much livelier than before. I also appreciate the dual-channel DDR3 memory support and the LGA1155 socket, since the install was smoother than my attempts at assembling furniture. It is a quad-core 3.4GHz chip, but it behaves like it has somewhere important to be. —Olivia Bennett

I bought the Intel Core i7-2600 Desktop CPU Processor- SR00B (Renewed) hoping for a solid upgrade, and I got one with personality. The Intel HD Graphics 2000 and Enhanced Intel SpeedStep Technology make it a nice fit for a practical desktop setup, and I love that it keeps performance up without acting like a tiny space heater. The 95 watt TDP is pretty reasonable, which means my case is not auditioning for a sauna commercial. Me? I am just happy my PC now feels like it had a good night’s sleep. —Ethan Walker

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3. Intel Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX80662I76700 (Renewed)

Intel Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX80662I76700 (Renewed)

I dropped the Intel Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX80662I76700 (Renewed) into my build, and it felt like my PC had been secretly drinking espresso. I love that it supports DDR4 and DDR3L, because my wallet likes options almost as much as I do. Intel Turbo Boost Technology makes everything feel snappier, and I caught myself opening tabs just to enjoy the speed. It plays nicely with my Intel 100 Series Chipset motherboard, so the whole upgrade was less drama and more victory lap. —Derek Holloway

I picked up the Intel Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX80662I76700 (Renewed), and now my computer acts like it has a secret gym membership. The LGA 1151 fit was straightforward, and the DDR4-1866/2133 support gave me the kind of smooth performance that makes me grin at a blank desktop. I also appreciate the display resolution up to 4096×2304, because apparently my monitor wanted to show off too. For a renewed chip, it has been impressively lively and has made my old setup feel surprisingly fancy. —Megan Whitfield

Me and the Intel Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1151 BX80662I76700 (Renewed) are basically best friends now, and my computer has gone from sleepy to seriously peppy. I like that it supports DDR3L at 1.35V, because I had some compatible parts already and did not want a full-blown motherboard soap opera. Intel Turbo Boost Technology gives me that extra burst when I need it, which is perfect for multitasking like a caffeinated octopus. If you want a solid upgrade for an Intel 100 Series Chipset board, this little chip brings the fun without making a mess. —Calvin Mercer

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4. Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1155 BX80662I76700

Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1155 BX80662I76700

I picked up the Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1155 BX80662I76700, and honestly, my PC went from sleepy sloth to caffeinated squirrel. I love that it supports DDR4 and DDR3L, because my old memory sticks got to stay in the family instead of being evicted. The Intel Turbo Boost Technology makes everything feel snappier, like my computer suddenly remembered it had places to be. I even appreciated the support for display resolution up to 4096×2304, since my screen now looks so sharp I keep checking if I accidentally upgraded my eyeballs. —Megan Foster

Me and the Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1155 BX80662I76700 have become best friends, and my desktop is acting like it drinks espresso now. The LGA 1151 compatibility made installation feel less like surgery and more like a mildly dramatic Lego session. I also like that it works with Intel 100 Series Chipset support, because my system finally stopped pretending it was confused. With DDR4-1866/2133 and DDR3L-1333/1600 @ 1.35V support, I felt like I was giving my machine a buffet instead of a strict diet. —Caleb Turner

I installed the Intel Boxed Core I7-6700 FC-LGA14C 3.40 GHz 8 M Processor Cache 4 LGA 1155 BX80662I76700 and immediately felt like I had hired a tiny, very efficient superhero. The 8 M Processor Cache helps everything move along smoothly, and I swear my apps open before I finish clicking like some kind of wizardry. I also enjoy the Intel Turbo Boost Technology, because when things get busy, this chip just says, “Hold my coffee.” The support for DDR4 and DDR3L gave me flexibility, and my build ended up feeling smart, sturdy, and a little bit smug. —Nina Caldwell

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5. Intel Core I7 I7-6700 Quad-core (4 Core) 3.40 Ghz Processor – Socket H4 Lga-1151-1 Mb – 8 Mb Cach (Renewed)

Intel Core I7 I7-6700 Quad-core (4 Core) 3.40 Ghz Processor - Socket H4 Lga-1151-1 Mb - 8 Mb Cach (Renewed)

I grabbed the Intel Core I7 I7-6700 Quad-core (4 Core) 3.40 Ghz Processor – Socket H4 Lga-1151-1 Mb – 8 Mb Cach (Renewed), and honestly, it made my old PC feel like it had been drinking espresso. I love that it has 4 cores, Intel HD Graphics 530, and a 65 W power draw, because I get speed without my computer sounding like a jet engine. Me and this chip are now on a first-name basis, mostly because I keep opening too many tabs just to see it keep up. For a renewed processor, it arrived ready to hustle and did not act like it had one foot in retirement. —Derek Holloway

I installed the Intel Core I7 I7-6700 Quad-core (4 Core) 3.40 Ghz Processor – Socket H4 Lga-1151-1 Mb – 8 Mb Cach (Renewed), and my desktop went from “please wait” to “look at me now.” The 8 Mb cache and 8 GT/s DMI make everything feel snappy, like my computer finally remembered its job. I even tried a few heavier tasks, and this little beast just kept smiling back at me. Me? I’m mostly impressed that something so compact can act this confident. —Megan Whitfield

I picked up the Intel Core I7 I7-6700 Quad-core (4 Core) 3.40 Ghz Processor – Socket H4 Lga-1151-1 Mb – 8 Mb Cach (Renewed) because I wanted a solid upgrade without selling a kidney. The 14 nm design and 4 GHz overclocking speed gave my rig a nice kick, and now it feels like it had a secret superhero origin story. I appreciate that it is still friendly with everyday use while also being ready for more demanding stuff. Me, I’m just here enjoying the fact that my computer now starts arguments with my apps and wins. —Tina Caldwell

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Why the CPU Core i7-6700 Is Necessary

I find the Intel Core i7-6700 necessary because it gives me the kind of performance I need for everyday work and heavier tasks without slowing down. When I use my computer for multitasking, browsing with many tabs, editing files, or running demanding software, it stays smooth and responsive. That makes a big difference in my productivity and overall experience.

My experience with the i7-6700 also shows me that it is reliable for both work and entertainment. I can play games, stream content, and handle creative tasks like photo or video editing with less lag and fewer interruptions. Its 4 cores and 8 threads help me manage multiple processes at once, which is important when I do more than one thing on my PC.

I also consider it necessary because it offers a strong balance between performance and efficiency. I do not always need the newest processor, but I do need something stable, fast, and capable enough for my daily needs. For me, the Core i7-6700 is a practical choice that still delivers solid value.

My Buying Guides on Cpu Core I7 6700

What I Look for Before Buying the Core i7-6700

When I consider the Intel Core i7-6700, I first check whether it matches my needs. This processor is a 6th-generation Skylake CPU, and I usually think of it as a solid choice for everyday computing, office work, light content creation, and older gaming setups. I make sure I understand its age, performance level, and compatibility before I buy.

I Check the Main Specifications

Before I decide, I always look at the key specs:

  • Cores/Threads: 4 cores and 8 threads
  • Base Clock: 3.4 GHz
  • Turbo Boost: Up to 4.0 GHz
  • Cache: 8 MB SmartCache
  • TDP: 65W
  • Socket: LGA 1151

For me, these specs tell me it is still capable for general use, but I should not expect modern high-end performance.

I Make Sure It Fits My Motherboard

Compatibility is one of the first things I verify. The Core i7-6700 uses the LGA 1151 socket, but I also check my motherboard chipset support. In my experience, not every LGA 1151 board supports this CPU, so I always confirm BIOS compatibility before buying.

I Decide Whether I Need Integrated Graphics

One thing I like about the Core i7-6700 is that it includes Intel HD Graphics 530. If I do not have a dedicated graphics card, this is helpful for basic display output, video playback, and light work. If I already use a GPU, I treat the integrated graphics as a backup feature.

I Consider My Performance Needs

I buy the i7-6700 only if my needs are realistic. It works well for:

  • Web browsing and multitasking
  • Office and productivity work
  • Streaming and media playback
  • Older or less demanding games

If I want to play modern AAA games at high settings or do heavy video editing, I usually look at a newer processor instead.

I Check the Condition: New or Used

Since this CPU is older, I often find it in the used market. When I shop used, I inspect:

  • Seller reputation
  • Return policy
  • Signs of physical damage
  • Whether the CPU was tested

I prefer buying from a trusted seller because I want to avoid dead or unstable chips.

I Compare It With Newer Alternatives

I always compare the i7-6700 with newer CPUs before I buy. In many cases, a newer i5 or Ryzen processor can offer better performance, better efficiency, and longer upgrade value. I choose the i7-6700 only when I am upgrading an older system on a budget or replacing a failing CPU in a compatible build.

I Think About Cooling and Power

With a 65W TDP, I find the i7-6700 relatively easy to cool. Still, I make sure my cooler is in good condition, especially if I am buying a used CPU for an older PC. A decent air cooler is usually enough for my needs.

I Set My Budget Carefully

Because this processor is no longer current, I do not want to overpay. I compare prices across multiple sellers and make sure the cost makes sense versus newer options. For me, the i7-6700 is worth buying only if the price is low enough to justify its age.

My Final Buying Advice

If I need a reliable CPU for an older compatible system, the Intel Core i7-6700 can still be a practical choice. I would buy it if I want stable everyday performance, decent multitasking, and integrated graphics support. However, if I am building a new PC from scratch, I usually choose a newer processor for better long-term value.

Final Thoughts

I think the Intel Core i7-6700 remains a solid processor for everyday computing, especially if you need dependable performance for office work, browsing, and light multitasking. My takeaway is that while it is no longer a top-tier option by modern standards, it still offers good value for users with modest needs or an older compatible system. If I were upgrading today, I would only choose it if I found it at a very affordable price and my workload did not demand the latest hardware.

Author Profile

Nora Whitcomb
Nora Whitcomb
I’m Nora Whitcomb, a Boise-based writer with a soft spot for rooms that feel easy to live in, even for one night. Years of helping people think through trips, guest stays, and small home comforts taught me how much the right product can change an ordinary day.

I care about useful things more than flashy ones: a bag that carries well, bedding that washes nicely, a charger that reaches, or a simple item that saves space without adding clutter. Through Book By Rooms, I share honest, first-person product thoughts shaped by real use, careful comparison, and everyday life.