CPU Comparison

Intel Core i3-10350K vs Intel Core i3-8350K

A side-by-side comparison of specs, performance and value. The Intel Core i3-10350K holds a unique place in CPU history as the first-ever unlocked "K-series" processor in the Core i3 lineup. Released in April 2020 as part of the 10th-generation Comet Lake desktop family, it broke the traditional barrier that reserved overclocking for i5, i7, and i9 tiers. Featuring 4 cores and 8 threads, it launched with an aggressive 4.1 GHz base clock and a 4.8 GHz boost clock. Built on the 14nm process, it carried a 91W TDP and required robust cooling to maintain those high frequencies, especially when overclocked. It utilized the LGA 1200 socket and, to take advantage of its unlocked multiplier, required a Z490 motherboard. While it included the UHD Graphics 630 iGPU, it was clearly targeted at budget-conscious gamers and enthusiasts who wanted to pair it with a dedicated graphics card and push silicon limits without spending i5 money. Its introduction marked a significant shift in Intel's segmentation strategy, acknowledging the growing demand for affordable enthusiast hardware in an increasingly competitive market landscape.

Top pick
Intel · Core i3
Intel Core i3-10350K
4C / 8T4.8 GHz91 W
6
Full review
Intel · Core i3
Intel Core i3-8350K
4C / 4T4 GHz91 W
5
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
Desktop
Segment
Desktop
Desktop
Generation
8th Generation
Launched
2020
2017
Status
End-of-life
Codename
Coffee Lake
Series
Core i3
Core i3
Family
Comet Lake
Coffee Lake
Predecessor
Intel Core i3-9350K
Intel Core i3-7350K
Successor
None (K-series dropped from i3 lineup)
Intel Core i3-9350K

Specifications Compared

Cores & Clocks
Cores
4
4
Threads
8
4
Base Clock
4.1 GHz
4 GHz
Boost Clock
4.8 GHz
4 GHz
Cache & Power
L3 Cache
8 MB
8 MB
TDP
91 W
91 W
Architecture
Architecture
Comet Lake
Coffee Lake
Process Node
14nm
14nm
Memory
Memory Type
DDR4
DDR4
Memory Speed
DDR4-2666
DDR4-2400
Memory Channels
Dual (2)
Dual (2)
Platform & I/O
Socket
LGA 1200
LGA 1151
PCIe Version
PCIe 3.0
PCIe 3.0
PCIe Lanes
16
16
Integrated GPU
Yes
Yes
Unlocked
Yes
Yes

Performance Compared

Productivity

Intel Core i3-10350KBest50

Fast at single-threaded tasks due to high clocks, but the 4-core limit will bottleneck heavy productivity workloads.

Intel Core i3-8350K30

Overclocking does not add threads. For heavily threaded productivity work, a stock 6-core CPU will easily beat an overclocked 4-core i3.

Gaming

Intel Core i3-10350KBest55

When paired with a good GPU and overclocked, it can deliver solid 1080p gaming frame rates, though 4 cores are starting to show their age in modern titles.

Intel Core i3-8350K40

At stock speeds, it is comparable to other 8th-gen i3s. When overclocked to 5.0 GHz+, it can match stock i5s in eSports titles, but the lack of threads hurts in modern AAA games.

Virtualization

Intel Core i3-10350KBest42

8 threads are usable, but the platform cost makes it a poor choice for a homelab compared to AMD alternatives.

Intel Core i3-8350K18

4 threads is a hard limit for virtualization, regardless of how fast those threads run.

Efficiency

Intel Core i3-10350KBest45

Overclocking destroys efficiency. At stock 91W, it draws more power than a 6-core Ryzen 5 3600 that outperforms it.

Intel Core i3-8350K30

Terrible efficiency. Pushing 1.3V+ through 14nm silicon to hit 5.0 GHz results in massive power draw and heat.

Specialized Performance

AI / ML

Intel Core i3-10350KMinimal
  • No AI acceleration
  • AVX-512 is not supported
  • Not suitable for AI workloads
Intel Core i3-8350KMinimal
  • No AI acceleration
  • High clock speed cannot compensate for lack of AI instructions

Content Creation

Intel Core i3-10350KMinimal
Basic Photo EditingLight Video Export
Intel Core i3-8350KMinimal
Basic Web DevLight Photo Editing

Gaming

Intel Core i3-10350KGood
  • High clock speeds benefit eSports titles significantly
  • Modern AAA games will be limited by the 4-core count
  • Requires a dedicated GPU; the UHD 630 is useless for gaming
  • Overclocking can squeeze out extra frames
Intel Core i3-8350KAdequate
  • Requires heavy overclocking to be relevant
  • High clock speeds benefit older eSports titles
  • 4 cores/4 threads is a severe limitation for modern AAA gaming

Industry Impact

Gaming
Low
Low
Workstations
Negligible
Negligible
Content Creation
Negligible
Negligible
Virtualization
Low
Negligible

Best CPU by Use Case

Overclocking Hobby
Excellent
Budget 1080p Gaming
Good
Daily Driving
Adequate
Content Creation
Poor
Productivity
Adequate
Poor
Air/Water Overclocking
Excellent
eSports Gaming (OC'd)
Good
LN2 Extreme Overclocking
Excellent
Video Editing
Poor

Target Audience

Gamers
Targeted
Targeted
Content Creators
Developers
Workstation Users
Streamers
Office / Productivity
Students

Strengths & Weaknesses

Intel Core i3-10350K

Pros

  • First ever unlocked i3, historic milestone
  • Massive overclocking headroom on air and water
  • Very high 4.8 GHz stock boost clock
  • Fun platform for learning BIOS tuning
  • No power limits out of the box

Cons

  • Requires an expensive Z490/Z590 motherboard
  • More expensive platform total than a faster i5-10400F
  • Only 4 cores limit modern gaming and productivity
  • DDR4-2666 memory speed cap
  • High power draw when overclocked
Intel Core i3-8350K

Pros

  • First unlocked i3, historic significance
  • Massive overclocking headroom (5.0 GHz+ on air)
  • 8MB L3 cache aids high-frequency stability
  • Fun project chip for hardware enthusiasts
  • High stock clock of 4.0 GHz

Cons

  • No Hyper-Threading (4 cores, 4 threads only)
  • Requires expensive Z-series motherboard
  • Terrible power efficiency when overclocked
  • Outperformed by cheaper locked 6-core CPUs
  • Obsolete LGA 1151 v2 platform

Competitors & Alternatives

Intel Core i3-10350K

Intel Core i3-8350K

Our Verdict on Each

A fun and historic overclocking chip, but practically outclassed by cheaper locked i5 processors in stock performance.

Best for: The Intel Core i3-10350K is a processor you should only buy if you are specifically interested in overclocking as a hobby. If your goal is pure gaming or productivity performance per dollar, this chip is a poor choice. Because it requires an expensive Z490 or Z590 motherboard to utilize its unlocked multiplier, the total platform cost far exceeds that of a locked i5-10400F on a cheap B460 board, which will outperform it in any multi-threaded workload. Furthermore, the DDR4-2666 memory speed limit severely hampers its integrated graphics performance, though this is irrelevant if you are pairing it with a discrete GPU. If you are an enthusiast who wants to delve into BIOS tuning, voltage adjustments, and manual overclocking without spending i7 or i9 money, the 10350K remains a highly entertaining sandbox. Otherwise, look toward modern alternatives.

Read the full review

A fun overclocking toy in 2017, but the lack of Hyper-Threading and a high 91W TDP make it a poor value compared to even cheap modern chips.

Best for: You should avoid buying the Intel Core i3-8350K unless you are a dedicated overclocking hobbyist looking for a cheap project chip to practice manual tuning, delidding, or extreme cooling on. If you fall into that niche, buying a used 8350K for $20 and pushing it to 5.0 GHz can be incredibly fun and educational. However, for any practical use case—gaming, work, or productivity—this chip is a poor investment. It requires an expensive Z370 or Z390 motherboard to utilize its only feature (overclocking), yet a locked Ryzen 5 3600 on a cheap B450 board will destroy it in every multi-threaded benchmark while using less power. The lack of Hyper-Threading is a fatal flaw that no amount of frequency can fix. Spend your money on modern hardware.

Read the full review

Frequently Asked Questions

Which is better, Intel Core i3-10350K or Intel Core i3-8350K?

Based on our editorial ratings, the Intel Core i3-10350K comes out ahead with a score of 6/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.

Which is faster for gaming, Intel Core i3-10350K or Intel Core i3-8350K?

For gaming, the Intel Core i3-10350K leads with a gaming performance score of 55/100 among Intel Core i3-10350K and Intel Core i3-8350K.

Do Intel Core i3-10350K and Intel Core i3-8350K use the same socket?

No. They use different sockets (Intel Core i3-10350K: LGA 1200, Intel Core i3-8350K: LGA 1151), so each needs a compatible motherboard.

Which is faster in multi-core benchmarks?

The Intel Core i3-10350K posts the highest multi-core benchmark score. Multi-core results: Intel Core i3-10350K (0). Benchmark figures are approximate and workload-dependent.