CPU Comparison
Intel Core i7-6700 vs Core i7-2600S
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.
Still handles basic office tasks and web browsing.
Gaming
Good for 60fps gaming with a discrete GPU, but struggles with modern high-refresh titles.
HD 2000 is too weak for modern games; needs a discrete GPU.
Virtualization
Capable of running 1-2 light VMs.
Can run light VMs but limited by 65W power profile.
Efficiency
Highly efficient 65W design.
65W TDP was excellent for 2011, but 32nm is outdated now.
Specialized Performance
AI / ML
- No AI hardware
- CPU inference is slow
- No AI hardware
- Too slow for modern 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
- HD 2000 is very weak
- PCIe 2.0 limits modern GPUs
- Okay for retro gaming with a GPU
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- Outdated platform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
- Low 65W TDP
- Aggressive turbo boost up to 3.8 GHz
- 4 cores and 8 threads
- Good for SFF builds of its era
Cons
- 32nm process is inefficient today
- Lacks AVX2
- HD 2000 graphics are very weak
- Locked multiplier
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.
Core i7-2600S
- AMD FX-6100Rival
Desktop
- Intel Core i7-2600Alt
Standard 95W version with higher base clock.
- Intel Core i7-3770SAlt
Newer Ivy Bridge low-power alternative.
Cheaper, lower power quad-core alternative.
Compare head-to-head
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 smart choice for 2011 SFF builders, offering quad-core performance in a 65W envelope, though heavily outdated by modern standards.
Best for: Maintaining an old HTPC.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i7-6700 or Core i7-2600S?
Based on our editorial ratings, the Intel Core i7-6700 comes out ahead with a score of 8/10. 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 Core i7-2600S?
For gaming, the Intel Core i7-6700 leads with a gaming performance score of 65/100 among Intel Core i7-6700 and Core i7-2600S.
Do Intel Core i7-6700 and Core i7-2600S use the same socket?
No. They use different sockets (Intel Core i7-6700: Intel Socket 1151, Core i7-2600S: Intel Socket 1155), so each needs a compatible motherboard.
Which is faster in multi-core benchmarks?
The Core i7-2600S posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-6700 (7,500), Core i7-2600S (8,500). Benchmark figures are approximate and workload-dependent.