CPU Comparison
Intel Core i5-4670K vs Intel Core i5-6500
A side-by-side comparison of specs, performance and value. The Intel Core i5-4670K debuted as the flagship unlocked quad-core processor of the initial Haswell architecture rollout in June 2013. Designed for the LGA 1150 socket, it targeted mainstream enthusiasts who wanted overclocking capabilities without paying the premium for Core i7.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Sufficient for basic office work, but the lack of Hyper-Threading means multi-threaded productivity workloads complete much slower than on modern CPUs.
Lacks the thread count for modern multi-tasking and rendering workloads.
Gaming
Adequate for older or esports titles at 1080p, but struggles significantly with modern CPU-demanding games due to having only four threads.
Bottlenecks modern GPUs heavily in newer titles; fine for older or esports games.
Virtualization
Four threads are a hard constraint for virtualization, and the lack of VT-d on this K-series part limits IOMMU passthrough capabilities.
Very limited for running VMs due to 4 threads.
Efficiency
The 22nm Haswell architecture draws notably more power under load than modern alternatives, and temperatures spike easily due to the internal thermal paste.
65W TDP is easy to cool and fairly efficient for a 14nm quad-core.
Specialized Performance
AI / ML
- No dedicated AI acceleration hardware
- AVX2 supported but performance is vastly inferior to modern NPUs
- Not suitable for AI/ML training or inference workloads
- No AI hardware acceleration
- 4 threads severely limit local LLM and inference capabilities
Content Creation
Gaming
- Performs well in older DirectX 11 titles
- Lacks Hyper-Threading, causing stuttering in modern games
- Overclocking requires delidding to achieve safe temperatures
- Best paired with mid-range GPUs of its era, like the GTX 970
- Severe 1% low frame drops in modern CPU-heavy games
- Adequate for CS:GO and Valorant
- No overclocking headroom to alleviate bottlenecks
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Unlocked multiplier for frequency tuning
- Solid 1080p gaming performance with mid-range GPUs for its era
- Wide availability on the used market at very low prices
- Supports AVX2 and FMA3 instruction sets
- Includes Intel HD 4600 for basic display output without a discrete GPU
Cons
- Notorious for high temperatures under load due to internal thermal paste
- No Hyper-Threading limits multi-threaded performance
- 84W TDP is relatively high for a quad-core without HT
- LGA 1150 platform is end-of-life with no upgrade path
- Does not support VT-d for PCIe device passthrough
- Delidding required for serious overclocking headroom
Pros
- Low 65W TDP, easy to cool
- Solid IPC for its generation
- Included a stock cooler
- HD 530 iGPU for troubleshooting
Cons
- Only 4 threads without Hyper-Threading
- Locked multiplier prevents overclocking
- Struggles with modern gaming workloads
- End-of-life platform with no upgrade path
Competitors & Alternatives
Intel Core i5-4670K
- AMD FX-8350Rival
Mainstream Desktop
- Compare head-to-headIntel Core i5-3570KRival
Mainstream Desktop
- AMD FX-6350Rival
Budget Desktop
- Compare head-to-headIntel Core i7-4770KRival
Enthusiast Desktop
- AMD A10-6800KRival
APU Desktop
The Devil's Canyon successor features improved thermal interface material for better temperatures and overclocking.
Compare head-to-headAdds Hyper-Threading for 8 threads, ideal as a drop-in upgrade for LGA 1150 users needing more multi-threaded headroom.
Compare head-to-head- AMD Ryzen 5 3600Alt
Six cores, twelve threads on a modern platform with DDR4, NVMe support, and significantly better performance per dollar.
Six cores, twelve threads at a similar used price point with a much more modern platform and better multi-threading.
Compare head-to-head- AMD Ryzen 5 5600Alt
Vastly superior single-threaded and multi-threaded performance with excellent value on the AM4 platform.
Intel Core i5-6500
- AMD FX-8350Rival
Mainstream Desktop
- AMD FX-6350Rival
Budget Desktop
- Compare head-to-headIntel Core i5-4590Rival
Previous Gen
- Intel Core i3-6100Rival
Budget Desktop
- AMD A10-7870KRival
APU Desktop
Modern budget king that easily outpaces the i5-6500 in all metrics.
Compare head-to-head- AMD Ryzen 5 5600GAlt
Incredible integrated graphics and 12 threads for a similar used price.
- Intel Core i5-12400FAlt
The modern equivalent with vastly superior multi-threading and gaming performance.
- AMD Ryzen 5 3600Alt
Older but highly capable 6-core/12-thread CPU on a cheap platform.
Provides 12 threads on a budget LGA 1200 platform.
Compare head-to-head
Our Verdict on Each
The i5-4670K was a capable quad-core in its day, but its notorious thermal issues under the IHS severely limited overclocking headroom, making it a historical footnote compared to the refreshed 4690K.
Best for: Repairing an existing LGA 1150 system where a motherboard swap is impractical and delidding is not a concern.
Read the full reviewA reliable workhorse in its day, the i5-6500 delivered excellent value for locked mainstream builds, though its 4-thread limitation renders it obsolete for modern heavy workloads.
Best for: The i5-6500 is only viable today if you are repairing an older LGA 1151 system on an extreme budget or building a basic home server. It can handle web browsing, office applications, and retro or esports gaming adequately. However, buying one new or even used at a high price makes no sense. Modern entry-level chips like the i3-12100F obliterate it in single-core and multi-core performance while offering a modern platform with an upgrade path. If you already own this chip, keep it as long as your tasks remain basic, but do not invest money into this platform expecting a noticeable uplift over your existing setup without moving to a newer generation.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i5-4670K or Intel Core i5-6500?
Based on our editorial ratings, the Intel Core i5-6500 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 uses less power?
The Intel Core i5-6500 has the lowest rated TDP. Power draw across these chips: Intel Core i5-4670K (84 W), Intel Core i5-6500 (65 W).
Do Intel Core i5-4670K and Intel Core i5-6500 use the same socket?
No. They use different sockets (Intel Core i5-4670K: LGA 1150, Intel Core i5-6500: LGA 1151), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Intel Core i5-6500 posts the highest multi-core benchmark score. Multi-core results: Intel Core i5-4670K (4,900), Intel Core i5-6500 (5,400). Benchmark figures are approximate and workload-dependent.