CPU Comparison
Intel Core i7-6700 vs Intel Core i7-2700K
A side-by-side comparison of specs, performance and value. The Intel Core i7-6700 is a mainstream quad-core desktop processor that served as the backbone of the 6th Generation Skylake lineup. Released in 2015, it brought incremental but meaningful improvements over the previous Haswell generation, including higher IPC, improved integrated graphics, and the introduction of DDR4 memory support to the mainstream market. Operating at a base clock of 3.4 GHz and boosting up to 4.0 GHz, it delivered strong single-threaded performance ideal for gaming and everyday productivity. With four cores and eight threads, it handled the multitasking demands of the era effectively. The 65-watt TDP ensured it ran efficiently and coolly, making it a staple in millions of office and home PCs worldwide. The inclusion of Intel HD Graphics 530 allowed for smooth 4K video playback and basic media tasks without requiring a discrete GPU, cementing its reputation as a versatile, do-it-all processor for mainstream users.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles office workloads and multitasking without issues.
Adequate for basic office tasks and web browsing, but slow for modern rendering.
Gaming
Good for 60fps gaming with a discrete GPU, but struggles with modern high-refresh titles.
Struggles with modern AAA titles but handles older or esports games fine.
Virtualization
Capable of running 1-2 light VMs.
Can handle light VMs with 8 threads, but lacks modern virtualization features.
Efficiency
Highly efficient 65W design.
32nm process is highly inefficient by modern standards, drawing significant power.
Specialized Performance
AI / ML
- No AI hardware
- CPU inference is slow
- No AI acceleration hardware
- Extremely slow for any AI workloads
Content Creation
Gaming
- Needs a discrete GPU for modern gaming
- Quad-core design is aging for new AAA games
- Great for older or esports titles
- Bottlenecks modern GPUs
- Suitable for 1080p gaming with older GPUs
- Lacks AVX2 support for newest games
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Excellent power efficiency (65W)
- Solid single-core performance
- Supports DDR4 memory
- Good integrated graphics
Cons
- Only 4 cores
- Locked multiplier
- No PCIe 4.0
- Outdated platform
Pros
- Legendary overclocking headroom
- Solid IPC improvements over previous gen
- Included integrated graphics (HD 3000)
- Durable and long-lasting architecture
- Large 8MB L3 cache
Cons
- High power consumption by modern standards
- Lacks AVX2 instructions
- End-of-life platform (LGA 1155)
- No native NVMe boot support
- Integrated graphics are severely outdated
Competitors & Alternatives
Intel Core i7-6700
- AMD FX-8350Rival
Desktop
- AMD FX-8370Rival
Desktop
- Compare head-to-headIntel Core i5-6600Rival
Desktop
- Compare head-to-headIntel Core i7-4790Rival
Desktop
- AMD A10-7890KRival
Desktop
- Intel Core i7-7700Alt
Slightly faster with better clock speeds.
- Intel Core i5-12400FAlt
Vastly superior modern alternative for budget builds.
- AMD Ryzen 5 5500Alt
More cores, better modern value.
Cheaper, 6 cores, better performance.
Compare head-to-head- AMD Ryzen 5 3600Alt
Legacy alternative with much better multi-threading.
Intel Core i7-2700K
- AMD FX-8150Rival
Desktop
- AMD FX-8350Rival
Desktop
- Compare head-to-headIntel Core i5-2500KRival
Desktop
- Intel Core i7-2600KRival
Desktop
- AMD Phenom II X6 1100TRival
Desktop
Ivy Bridge successor with PCIe 3.0.
Compare head-to-head- AMD Ryzen 5 1600Alt
Modern budget alternative with more cores.
Haswell upgrade path with better efficiency.
Compare head-to-head- AMD Ryzen 3 3200GAlt
Modern integrated graphics alternative.
Our Verdict on Each
A reliable and efficient quad-core CPU that was the gold standard for mainstream desktop computing in 2015, still capable of basic tasks today.
Best for: Upgrading an older LGA 1151 system for budget 1080p gaming.
Read the full reviewA legendary CPU that still holds up for basic tasks, offering incredible historical value and overclocking fun.
Best for: The Core i7-2700K is no longer recommended for new PC builds due to its age and lack of modern feature support, such as native NVMe storage booting and modern PCIe standards. However, for users already operating on an LGA 1155 motherboard looking to squeeze more life out of an older system, finding a used 2700K can be a highly cost-effective upgrade path. It still handles basic computing, media consumption, and older game titles reasonably well. If you are building a system from scratch, modern alternatives offer vastly superior power efficiency, single-core speed, and platform features. Collectors and retro gaming enthusiasts might specifically value the chip for its historical significance, but mainstream buyers should look toward newer generations for a balanced, future-proof computing experience.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i7-6700 or Intel Core i7-2700K?
Based on our editorial ratings, the Intel Core i7-2700K comes out ahead with a score of 8.5/10. 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 i7-6700 or Intel Core i7-2700K?
For gaming, the Intel Core i7-6700 leads with a gaming performance score of 65/100 among Intel Core i7-6700 and Intel Core i7-2700K.
Which uses less power?
The Intel Core i7-6700 has the lowest rated TDP. Power draw across these chips: Intel Core i7-6700 (65 W), Intel Core i7-2700K (95 W).
Do Intel Core i7-6700 and Intel Core i7-2700K use the same socket?
No. They use different sockets (Intel Core i7-6700: Intel Socket 1151, Intel Core i7-2700K: LGA 1155), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Intel Core i7-6700 posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-6700 (7,500), Intel Core i7-2700K (5,400). Benchmark figures are approximate and workload-dependent.