CPU Comparison
Intel Core i5-3570K vs Intel Core i7-3770K
A side-by-side comparison of specs, performance and value. The Intel Core i5-3570K is an unlocked quad-core desktop processor launched in April 2012 as part of the Ivy Bridge family. Built on a 22 nm process, it features four physical cores and four threads. The 'K' suffix denotes an unlocked multiplier, making it a favorite among enthusiasts and overclockers. It operates at a base clock of 3.4 GHz and can turbo boost up to 3.8 GHz out of the box. With a 77 W TDP, it strikes a balance between power consumption and overclocking headroom. It includes 6 MB of L3 cache and integrates Intel HD 4000 graphics, a significant upgrade over the HD 2500 found in non-K i5s. The i5-3570K was widely regarded as the best value gaming CPU of its generation, offering exceptional price-to-performance value. Though end-of-life, it remains a capable chip for legacy gaming and overclocking experimentation.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles office apps fine, but struggles with heavy modern web scripts.
Handles office tasks but slow for modern rendering.
Gaming
Overclocked, it can handle older games well, but bottlenecks modern GPUs heavily.
Severely bottlenecks modern GPUs; okay for older esports titles.
Virtualization
Basic VM capability, but limited by 4 threads.
Can run basic VMs but limited by 4 cores.
Efficiency
Efficiency drops significantly when overclocked due to 22nm thermal limits.
77W TDP is inefficient by modern standards.
Specialized Performance
AI / ML
- No AI hardware
- Unsuitable for modern AI workloads
- No AI hardware
- Slow CPU inference
Content Creation
Gaming
- Requires a dedicated GPU
- Can still run eSports titles at low settings when overclocked
- PCIe 3.0 support helps with GPU compatibility
- Bottlenecks modern GPUs
- Suitable for older games
- Lacks modern security features
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
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
Pros
- Was a top-tier performer in 2012
- Unlocked for overclocking
- 4 cores with Hyper-Threading
- Introduced PCIe 3.0
Cons
- Infamous for poor thermal paste
- Runs hot under load
- No Windows 11 support
- End-of-life platform
Competitors & Alternatives
Intel Core i5-3570K
- AMD FX-4300Rival
Desktop
- AMD FX-6100Rival
Desktop
- Compare head-to-headIntel Core i5-3570Rival
Desktop
- Compare head-to-headIntel Core i5-2500KRival
Desktop
- AMD FX-8350Rival
Desktop
Vastly superior modern quad-core with hyper-threading.
Compare head-to-head- AMD Ryzen 5 3600Alt
Excellent value used hex-core.
Slightly faster Haswell alternative for a newer socket.
Compare head-to-head- AMD Ryzen 3 4100Alt
Budget modern alternative.
Intel Core i7-3770K
- AMD FX-8350Rival
Desktop
- AMD FX-8150Rival
Desktop
- Intel Core i7-2600KRival
Desktop
- Compare head-to-headIntel Core i5-3570KRival
Desktop
- AMD FX-6300Rival
Desktop
Successor with better IPC and AVX2.
Compare head-to-headModern budget CPU that vastly outperforms it.
Compare head-to-head- AMD Ryzen 5 5600Alt
Modern budget alternative.
- Intel Core i5-12400FAlt
Best value modern gaming CPU.
- AMD Ryzen 5 5500Alt
Cheap and highly capable.
Our Verdict on Each
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 reviewA legendary 2012 CPU that brought 22nm technology to the masses, though its thermal issues and age make it obsolete for modern workloads.
Best for: When considering the Intel Core i7-3770K today, it should strictly be viewed as a legacy component for existing systems. If you already own a functional LGA 1155 motherboard, this processor can provide a cheap and effective upgrade from a Pentium or i3, breathing new life into an older rig for basic office work or retro gaming. However, it is absolutely not recommended for new builds. The lack of Windows 11 official support, high power consumption relative to its performance, and outdated instruction sets make it inefficient. Modern budget processors like the Intel Core i3-12100F will outperform it significantly while drawing a fraction of the power.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-3570K or Intel Core i7-3770K?
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 i5-3570K or Intel Core i7-3770K?
For gaming, the Intel Core i5-3570K leads with a gaming performance score of 45/100 among Intel Core i5-3570K and Intel Core i7-3770K.
Do Intel Core i5-3570K and Intel Core i7-3770K use the same socket?
No. They use different sockets (Intel Core i5-3570K: Intel Socket 1155 (LGA1155), Intel Core i7-3770K: Intel Socket 1155), 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 i5-3570K (6,300). Benchmark figures are approximate and workload-dependent.