CPU Comparison
Intel Core i7-8670 vs Intel Core i9-9900T
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 multi-threaded capability for office applications and light creative work.
Gaming
Handles modern games easily when paired with a mid-to-high-end GPU.
Lower clocks limit high-refresh-rate gaming, but integrated graphics handle casual titles.
Virtualization
Capable of running multiple VMs smoothly.
Sufficient for basic virtualization tasks, but not ideal for heavy VM workloads.
Efficiency
Good efficiency within the 65W envelope.
Exceptional power efficiency is the primary design goal and key strength.
Specialized Performance
AI / ML
- No AI hardware
- Standard CPU inference
- No dedicated AI acceleration
- Only suitable for lightweight, CPU-based inference
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
- Not intended for serious gaming
- Limited by low base and boost clocks
- UHD Graphics 630 suitable only for very light or older games
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
- Exceptionally low 35W TDP for quiet and cool operation
- Full 8-core/16-thread Coffee Lake performance
- Configurable down to 25W for embedded or low-power designs
- Integrated graphics for display output without a GPU
- Often available at a deep discount on the used market
Cons
- Significantly lower clock speeds than standard desktop CPUs
- Locked multiplier limits performance tuning
- On the older LGA1151 platform with no future upgrade path
- Discontinued, with limited availability and support
- Not competitive for gaming or performance-critical tasks
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 i9-9900T
- AMD Ryzen 7 2700XRival
High-Performance Desktop
- Intel Core i7-9700TRival
Power-Optimized Desktop
- Compare head-to-headIntel Core i5-9500TRival
Power-Optimized Desktop
- AMD Ryzen 5 3400GERival
Power-Optimized Desktop APU
- Compare head-to-headIntel Core i9-9900Rival
Standard Desktop
Much higher performance for gaming and productivity, but requires better cooling and power.
Compare head-to-headFar superior performance, modern platform, and efficiency; a better new buy.
Compare head-to-head- AMD Ryzen 7 5700GAlt
Strong APU with better integrated graphics and comparable efficiency.
Excellent single-thread performance and efficiency for basic tasks on a modern platform.
Compare head-to-head- AMD Ryzen 5 5600Alt
Better overall performance and value on a more modern platform.
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 capable 8-core CPU that trades raw clock speed for significantly lower power consumption, ideal for specific use cases where efficiency and thermals matter more than maximum performance.
Best for: Building or upgrading a very quiet, small form factor PC where low power and heat are critical, and the CPU can be found at a significant discount.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i7-8670 or Intel Core i9-9900T?
Based on our editorial ratings, the Intel Core i7-8670 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 i7-8670 or Intel Core i9-9900T?
For gaming, the Intel Core i7-8670 leads with a gaming performance score of 85/100 among Intel Core i7-8670 and Intel Core i9-9900T.
Which uses less power?
The Intel Core i9-9900T has the lowest rated TDP. Power draw across these chips: Intel Core i7-8670 (65 W), Intel Core i9-9900T (35 W).
Do Intel Core i7-8670 and Intel Core i9-9900T use the same socket?
No. They use different sockets (Intel Core i7-8670: Intel Socket 1151, Intel Core i9-9900T: FCLGA1151), so each needs a compatible motherboard.
Which has more cores?
The Intel Core i9-9900T has the most cores. Core counts: Intel Core i7-8670 (6 cores), Intel Core i9-9900T (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), Intel Core i9-9900T (13,086). Benchmark figures are approximate and workload-dependent.