CPU Comparison
Intel Core i7-8670 vs Intel Core i7-9700K
A side-by-side comparison of specs, performance and value. The Intel Core i7-8670 is a mainstream desktop processor designed to deliver balanced performance for both gaming and productivity. As part of the 8th Gen Coffee Lake family, it features six cores and twelve threads, a significant upgrade over the previous generation's quad-core i7 designs. Operating at a base frequency of 3.1 GHz and boosting up to 4.4 GHz, it offers snappy single-threaded performance and solid multi-threaded capabilities. With a standard 65-watt TDP, it strikes an excellent balance between power consumption and heat generation, making it compatible with a wide range of affordable coolers. The inclusion of Intel UHD Graphics 630 allows for basic display functionality without a discrete GPU, though serious gamers and creators will want to pair it with a dedicated graphics card. This processor is tailored for users who demand reliable hexa-core performance for everyday tasks, moderate content creation, and a smooth 60 FPS gaming experience without paying a premium for the highest clock speeds.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
12 threads make quick work of office and compiling tasks.
Strong performance, but lacks Hyper-Threading for maximum multi-threaded scaling.
Gaming
Handles modern games easily when paired with a mid-to-high-end GPU.
Excellent gaming performance, still capable of pushing high frame rates.
Virtualization
Capable of running multiple VMs smoothly.
8 cores are good, but 8 threads limit parallel VM performance.
Efficiency
Good efficiency within the 65W envelope.
14nm process and high clocks result in significant power draw when overclocked.
Specialized Performance
AI / ML
- No AI hardware
- Standard CPU inference
- No dedicated AI hardware
- Good CPU inference due to high clocks
Content Creation
Gaming
- Won't bottleneck RTX 3060 or RX 6600 class GPUs
- High turbo boost ensures smooth frame times
- Great for 60Hz and 144Hz gaming
- High single-core speeds benefit gaming
- Capable of 144Hz+ gaming
- Still relevant for modern GPUs
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Excellent price-to-performance
- 6 cores / 12 threads
- Easy to cool (65W)
- Good turbo boost speeds
Cons
- Locked multiplier
- Older 14nm process
- Limited upgrade path on LGA 1151
- Marginal improvement over i7-8700
Pros
- Excellent gaming performance
- Unlocked for overclocking
- Uses Solder TIM for better cooling
- 8 physical cores
Cons
- Lacks Hyper-Threading
- Dead LGA 1151 platform
- High power consumption when overclocked
- 14nm process is outdated
Competitors & Alternatives
Intel Core i7-8670
- AMD Ryzen 5 2600Rival
Desktop
- AMD Ryzen 5 2600XRival
Desktop
- Compare head-to-headIntel Core i5-8600Rival
Desktop
- Compare head-to-headIntel Core i7-8700Rival
Desktop
- AMD Ryzen 7 2700Rival
Desktop
- AMD Ryzen 5 5600Alt
Much faster single-core and newer platform.
- Intel Core i5-12400FAlt
Better performance and modern features.
Cheaper 10th gen alternative with similar performance.
Compare head-to-head- AMD Ryzen 7 5700XAlt
More cores and better efficiency.
Intel Core i7-9700K
- AMD Ryzen 7 2700XRival
Desktop
- AMD Ryzen 5 3600XRival
Desktop
- Compare head-to-headIntel Core i5-9600KRival
Desktop
- Compare head-to-headIntel Core i9-9900KRival
Desktop
- AMD Ryzen 7 3700XRival
Desktop
- Intel Core i5-12400FAlt
Modern alternative with better IPC and an upgrade path.
- AMD Ryzen 5 5600XAlt
Superior efficiency and gaming performance.
- Intel Core i7-10700KAlt
Adds Hyper-Threading for 16 threads.
- AMD Ryzen 7 5800X3DAlt
Vastly superior gaming performance with 3D V-Cache.
Budget alternative with similar multi-threaded performance.
Compare head-to-head
Our Verdict on Each
A well-balanced 65W hexa-core CPU that offers excellent value for 1080p gaming and everyday productivity without the premium of K-series chips.
Best for: Upgrading an older LGA 1151 system for 1080p gaming.
Read the full reviewA legendary gaming CPU that introduced 8 cores to the i7 lineup. Its high clocks and unlocked multiplier make it great for enthusiasts, though it lacks Hyper-Threading.
Best for: For PC builders considering the Core i7-9700K today, it is only recommended if purchased used at a significant discount. It remains an excellent gaming CPU, capable of handling modern titles without bottlenecking mid-range GPUs. The unlocked multiplier allows for easy overclocking, extending its lifespan. However, the lack of Hyper-Threading limits its potential in heavily multi-threaded productivity tasks like video editing or 3D rendering compared to modern CPUs. Avoid this processor if you are building a new system from scratch, as the LGA 1151 socket is dead, offering no upgrade path. If you already own a Z390 motherboard and are upgrading from a lower-tier 8th or 9th Gen CPU, the 9700K is a worthwhile investment. For everyone else, an AMD Ryzen 5 5600X or Intel Core i5-12400F offers better value, modern architecture, and an upgrade path.
Read the full reviewFrequently Asked Questions
Which is faster for gaming, Intel Core i7-8670 or Intel Core i7-9700K?
For gaming, the Intel Core i7-9700K leads with a gaming performance score of 90/100 among Intel Core i7-8670 and Intel Core i7-9700K.
Which uses less power?
The Intel Core i7-8670 has the lowest rated TDP. Power draw across these chips: Intel Core i7-8670 (65 W), Intel Core i7-9700K (95 W).
Do Intel Core i7-8670 and Intel Core i7-9700K use the same socket?
Yes — all of these CPUs use the Intel Socket 1151 socket, so they share compatible motherboards.
Which has more cores?
The Intel Core i7-9700K has the most cores. Core counts: Intel Core i7-8670 (6 cores), Intel Core i7-9700K (8 cores).
Which is faster in multi-core benchmarks?
The Intel Core i7-8670 posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-8670 (14,000). Benchmark figures are approximate and workload-dependent.