CPU Comparison
Intel Core i5-9400 vs Intel Core i7-9700
A side-by-side comparison of specs, performance and value. The Intel Core i5-9400 is a mainstream six-core desktop processor that struck a sweet spot for budget-conscious gamers and general users upon its release, offering solid single-threaded performance.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles office tasks and moderate programming workloads efficiently.
Good for productivity, but limited by 8 threads.
Gaming
Capable of smooth 1080p gaming when paired with a mid-range discrete GPU.
Strong gaming performance, though slightly behind the 9700K due to lower base clock.
Virtualization
Good for basic VMs, but 6 threads limit heavy parallel virtualization.
8 cores help, but 8 threads limit parallel virtualization.
Efficiency
Balanced performance within a standard 65W power envelope.
65W TDP makes it highly efficient and easy to cool.
Specialized Performance
AI / ML
- No AI-specific hardware
- CPU inference is slow due to lack of threads
- No dedicated AI hardware
- Quick Sync Video available via iGPU
Content Creation
Gaming
- Excellent for budget gaming builds
- Handles eSports titles flawlessly
- May bottleneck high-end modern GPUs at 1080p
- High boost clocks benefit gaming
- Good for mid-range gaming rigs
- iGPU allows for fallback display
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Excellent price-to-performance ratio historically
- Strong single-core speeds for gaming
- Includes integrated UHD Graphics 630
- Standard 65W TDP is easy to cool
- Wide compatibility with 300-series motherboards
Cons
- No Hyper-Threading (only 6 threads)
- Locked multiplier prevents overclocking
- End-of-life platform (LGA 1151)
- Officially limited to DDR4-2666
- Not supported by Windows 11 officially
Pros
- 8 physical cores
- 65W TDP is highly efficient
- Includes integrated graphics
- Good for budget gaming
Cons
- Lacks Hyper-Threading
- Locked multiplier
- Uses thermal paste instead of solder
- Older 14nm process
Competitors & Alternatives
Intel Core i5-9400
- AMD Ryzen 5 2600Rival
Mainstream Desktop
- Compare head-to-headIntel Core i5-8400Rival
Mainstream Desktop
- AMD Ryzen 5 1600Rival
Mainstream Desktop
- Compare head-to-headIntel Core i5-9400FRival
Mainstream Desktop
- Intel Core i7-7700Rival
Mainstream Desktop
Offers Hyper-Threading and slightly better performance for a similar price.
Compare head-to-headNewer platform with 8 threads and similar gaming performance.
Compare head-to-head
Intel Core i7-9700
- AMD Ryzen 7 2700Rival
Desktop
- AMD Ryzen 5 3600Rival
Desktop
- Compare head-to-headIntel Core i5-9400Rival
Desktop
- Compare head-to-headIntel Core i7-8700Rival
Desktop
- AMD Ryzen 5 2600Rival
Desktop
- Intel Core i5-12400Alt
Modern alternative with better IPC and an upgrade path.
- AMD Ryzen 5 5600Alt
Superior gaming performance and efficiency.
- Intel Core i7-10700Alt
Adds Hyper-Threading for 16 threads.
- AMD Ryzen 7 5700XAlt
Much better multi-threaded performance.
Cheaper 10th Gen alternative with similar value.
Compare head-to-head
Our Verdict on Each
A highly popular, cost-effective 6-core processor that delivers excellent value for mainstream users, though lacking Hyper-Threading limits its heavy multitasking ceiling.
Best for: Upgrading an older LGA 1151 system on a budget, or building an office/HTPC machine.
Read the full reviewA solid 8-core CPU that offers good productivity and gaming performance at a lower 65W TDP, though it lacks Hyper-Threading and overclocking capabilities.
Best for: The Intel Core i7-9700 is a solid processor for the used market, particularly for budget gaming or productivity builds. If you can find it at a good price, its 8 cores provide ample performance for modern gaming and multitasking. The inclusion of a 65W TDP means it runs cool and can be paired with cheaper motherboards and coolers, saving you money on the overall build. It is highly recommended for users upgrading an existing 8th or 9th Gen Intel system who don't care about overclocking. However, avoid this CPU if you need maximum multi-threaded performance, as the lack of Hyper-Threading holds it back in rendering tasks. For new builds, modern CPUs offer better price-to-performance ratios. Ultimately, the i7-9700 is best suited for practical builders who want reliable, efficient performance without paying for unnecessary enthusiast features.
Read the full reviewFrequently Asked Questions
Which is faster for gaming, Intel Core i5-9400 or Intel Core i7-9700?
For gaming, the Intel Core i7-9700 leads with a gaming performance score of 82/100 among Intel Core i5-9400 and Intel Core i7-9700.
Do Intel Core i5-9400 and Intel Core i7-9700 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 i7-9700 has the most cores. Core counts: Intel Core i5-9400 (6 cores), Intel Core i7-9700 (8 cores).