CPU Comparison

Intel Core i3-10350K vs Intel Core i5-3570K

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.

Intel · Core i3
Intel Core i3-10350K
4C / 8T4.8 GHz91 W
6
Full review
Top pick
Intel · Core i5
Intel Core i5-3570K
4C / 4T3.8 GHz77 W
7
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
Desktop
Segment
Desktop
Desktop
Generation
3rd Generation (Ivy Bridge)
Launched
2020
2012
Status
End-of-life
Codename
Ivy Bridge
Series
Core i3
Core i5
Family
Comet Lake
Ivy Bridge
Predecessor
Intel Core i3-9350K
Intel Core i5-2500K
Successor
None (K-series dropped from i3 lineup)
Intel Core i5-4670K

Specifications Compared

Cores & Clocks
Cores
4
4
Threads
8
4
Base Clock
4.1 GHz
3.4 GHz
Boost Clock
4.8 GHz
3.8 GHz
Cache & Power
L3 Cache
8 MB
6 MB
TDP
91 W
77 W
Architecture
Architecture
Comet Lake
Ivy Bridge
Process Node
14nm
22nm
Memory
Memory Type
DDR4
DDR3
Memory Speed
DDR4-2666
DDR3-1600
Memory Channels
Dual (2)
Dual (2)
Max Memory
32 GB
Platform & I/O
Socket
LGA 1200
Intel Socket 1155 (LGA1155)
PCIe Version
PCIe 3.0
PCIe 3.0
PCIe Lanes
16
16
Integrated GPU
Yes
Yes
Unlocked
Yes
Yes

Performance Compared

Productivity

Intel Core i3-10350K50

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

Intel Core i5-3570KBest55

Handles office apps fine, but struggles with heavy modern web scripts.

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 i5-3570K45

Overclocked, it can handle older games well, but bottlenecks modern GPUs heavily.

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 i5-3570K40

Basic VM capability, but limited by 4 threads.

Efficiency

Intel Core i3-10350K45

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

Intel Core i5-3570KBest60

Efficiency drops significantly when overclocked due to 22nm thermal limits.

Specialized Performance

AI / ML

Intel Core i3-10350KMinimal
  • No AI acceleration
  • AVX-512 is not supported
  • Not suitable for AI workloads
Intel Core i5-3570KNone
  • No AI hardware
  • Unsuitable for modern AI workloads

Content Creation

Intel Core i3-10350KMinimal
Basic Photo EditingLight Video Export
Intel Core i5-3570KFair
Basic Photo Editing1080p Video 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 i5-3570KFair
  • Requires a dedicated GPU
  • Can still run eSports titles at low settings when overclocked
  • PCIe 3.0 support helps with GPU compatibility

Industry Impact

Gaming
Low
High
Workstations
Negligible
Low
Content Creation
Negligible
Moderate
Virtualization
Low
Low

Best CPU by Use Case

Overclocking Hobby
Excellent
Budget 1080p Gaming
Good
Daily Driving
Adequate
Content Creation
Poor
Productivity
Adequate
Retro Gaming
Excellent
Overclocking
Very Good
Office Productivity
Very Good
Modern Gaming
Poor
Video Editing
Fair

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 i5-3570K

Pros

  • Unlocked multiplier for overclocking
  • Intel HD 4000 graphics
  • Supports PCIe 3.0
  • True 4 physical cores

Cons

  • Obsolete 22nm process
  • Uses thermal paste under IHS, limiting thermal transfer
  • Weak integrated graphics for modern gaming
  • Uses DDR3 memory

Competitors & Alternatives

Intel Core i3-10350K

Intel Core i5-3570K

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 legendary overclocker's dream in its day, the 3570K still holds nostalgic value and can handle basic tasks, though it's obsolete for modern gaming.

Best for: The Core i5-3570K is obsolete and should not be considered for a new build. However, it holds niche value for enthusiasts looking to build a retro gaming rig or experiment with overclocking on a budget. If you already own a Z77 or Z75 motherboard, finding a used 3570K can be a fun, cheap project. Overclocked to 4.2-4.5 GHz, it can still handle older games and basic computing tasks. However, its lack of modern instruction sets and DDR3 support makes it irrelevant for modern workloads. Do not spend more than a few dollars on this chip. For any new system, a modern Intel Core i3 or AMD Ryzen 3 will offer vastly superior performance and efficiency out of the box.

Read the full review

Frequently Asked Questions

Which is better, Intel Core i3-10350K or Intel Core i5-3570K?

Based on our editorial ratings, the Intel Core i5-3570K comes out ahead with a score of 7/10. 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 i5-3570K?

For gaming, the Intel Core i3-10350K leads with a gaming performance score of 55/100 among Intel Core i3-10350K and Intel Core i5-3570K.

Which uses less power?

The Intel Core i5-3570K has the lowest rated TDP. Power draw across these chips: Intel Core i3-10350K (91 W), Intel Core i5-3570K (77 W).

Do Intel Core i3-10350K and Intel Core i5-3570K use the same socket?

No. They use different sockets (Intel Core i3-10350K: LGA 1200, Intel Core i5-3570K: Intel Socket 1155 (LGA1155)), so each needs a compatible motherboard.

Which is faster in multi-core benchmarks?

The Intel Core i5-3570K posts the highest multi-core benchmark score. Multi-core results: Intel Core i3-10350K (0), Intel Core i5-3570K (6,300). Benchmark figures are approximate and workload-dependent.