CPU Comparison
Intel Core i7-4790K vs Intel Core i3-10320
A side-by-side comparison of specs, performance and value. The Intel Core i7-4790K is an unlocked desktop processor launched in May 2014 as the flagship of the 'Devil's Canyon' refresh. Built on the 22nm Haswell process, it features 4 cores and 8 threads, operating at an impressive base clock of 4.0 GHz and boosting up to 4.4 GHz. The 'K' suffix denotes an unlocked multiplier, making it a favorite among overclockers. It includes 8MB of L3 cache and supports dual-channel DDR3 memory. With an 88W TDP, it fits into the LGA 1150 socket. The processor integrates Intel HD Graphics 4600. The 4790K addressed the thermal issues of the 4770K by using improved thermal paste, allowing for higher sustained clocks and better overclocking headroom. It remains a beloved classic that provided immense performance for gamers and enthusiasts.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles office tasks well but slow for modern rendering.
Handles office suites and web apps well, but the 65W PL1 will cause throttling in long-running Excel macros or heavy multitasking.
Gaming
Bottlenecks modern GPUs but okay for older titles.
Requires a discrete GPU for gaming. The CPU itself can handle budget GPUs without severe bottlenecking at 1080p.
Virtualization
Can run basic VMs but limited by 4 cores.
4 cores and 8 threads can run a couple of light virtual machines, but it is not ideal for dedicated lab environments.
Efficiency
88W TDP is inefficient by modern standards.
The 14nm process shows its age; newer Ryzen 3 parts offer significantly better performance per watt.
Specialized Performance
AI / ML
- No AI hardware
- Slow CPU inference
- No AI acceleration hardware
- Lacks AVX-512 instructions
- Not suitable for AI workloads
Content Creation
Gaming
- Bottlenecks modern GPUs
- Suitable for older games
- Lacks modern security features
- UHD 630 iGPU cannot handle modern games
- CPU performance is adequate for entry-level dedicated GPUs
- Lacks PCIe 4.0 for future GPU upgrades
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- First 4.0 GHz base clock
- Improved thermals over 4770K
- Unlocked for overclocking
- 4 cores with Hyper-Threading
Cons
- End-of-life platform
- High 88W TDP
- No Windows 11 support
- Outdated 22nm process
Pros
- High 4.6 GHz boost clock for snappy single-thread performance
- 8 threads provide good multitasking for the price
- Low 65W sustained power draw keeps temperatures down
- Includes enterprise features like TSX and TXT
- Solid performance for basic office environments
Cons
- OEM-exclusive, difficult to buy separately
- Confusing and misleading 91W TDP labeling
- DDR4-2666 memory speed cap
- Only 16 PCIe 3.0 lanes
- Outperformed by cheaper Ryzen 3 alternatives in multi-threaded tasks
Competitors & Alternatives
Intel Core i7-4790K
- AMD FX-8370Rival
Desktop
- AMD FX-8350Rival
Desktop
- Compare head-to-headIntel Core i7-4770KRival
Desktop
- Compare head-to-headIntel Core i5-4690KRival
Desktop
- AMD FX-9590Rival
Desktop
Successor with DDR4 support and better IPC.
Compare head-to-headModern budget CPU that vastly outperforms it.
Compare head-to-head- AMD Ryzen 5 5600Alt
Modern budget alternative with 6 cores.
- Intel Core i5-12400FAlt
Best value modern gaming CPU.
- AMD Ryzen 5 5500Alt
Cheap and highly capable.
Intel Core i3-10320
- AMD Ryzen 3 3100Rival
Budget Desktop
- AMD Ryzen 3 3300XRival
Budget Desktop
- AMD Athlon 3000GRival
Entry Desktop
- Intel Pentium Gold G6600Rival
Entry Desktop
- AMD Ryzen 5 1600 AFRival
Budget Desktop
Nearly identical performance but available at retail for a much lower price.
Compare head-to-headAdds 2 more cores for a significant multi-threaded boost at a reasonable price.
Compare head-to-head- AMD Ryzen 5 3600Alt
Superior multi-core performance, PCIe 4.0, and often priced competitively.
A massive generational leap in IPC and efficiency on the LGA 1700 platform.
Compare head-to-head
Our Verdict on Each
A legendary CPU that was the first to hit 4.0 GHz base. It still holds up for basic use but is outdated for modern gaming.
Best for: The Core i7-4790K is a legendary processor that should only be considered today if you are maintaining an existing LGA 1150 system. It still offers decent performance for basic computing and older games, and its unlocked multiplier allows for some overclocking fun. However, it is not recommended for new builds. The lack of Windows 11 support, high power consumption, and outdated instruction sets make it a poor choice for modern workloads. If you are building a budget PC, modern processors offer vastly superior performance and efficiency.
Read the full reviewA capable 4-core processor for basic computing, but its OEM exclusivity and confusing 91W/65W power spec make it irrelevant for custom builders.
Best for: The Intel Core i3-10320 is not a processor you should actively seek out to build a new PC, primarily because it was never intended for the retail market. If you are upgrading an existing OEM desktop that currently houses this chip, it is generally not worth the investment to swap it out for an i5 or i7 due to motherboard BIOS restrictions common in pre-built systems. However, if you are purchasing a used office PC on the cheap that contains the i3-10320, it remains surprisingly capable for everyday tasks. Its 4 cores and 8 threads, combined with a 4.6 GHz boost clock, handle web browsing, office applications, and 1080p media consumption without breaking a sweat. Just be aware of the 65W PL1 limit, which may throttle sustained workloads, and the DDR4-2666 memory speed cap, which slightly bottlenecks the integrated UHD 630 graphics. Avoid it for any serious gaming or content creation.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i7-4790K or Intel Core i3-10320?
Based on our editorial ratings, the Intel Core i7-4790K 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 i7-4790K or Intel Core i3-10320?
For gaming, the Intel Core i7-4790K leads with a gaming performance score of 30/100 among Intel Core i7-4790K and Intel Core i3-10320.
Which uses less power?
The Intel Core i7-4790K has the lowest rated TDP. Power draw across these chips: Intel Core i7-4790K (88 W), Intel Core i3-10320 (91 W).
Do Intel Core i7-4790K and Intel Core i3-10320 use the same socket?
No. They use different sockets (Intel Core i7-4790K: Intel Socket 1150, Intel Core i3-10320: LGA 1200), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Intel Core i3-10320 posts the highest multi-core benchmark score. Multi-core results: Intel Core i3-10320 (0). Benchmark figures are approximate and workload-dependent.