CPU Comparison
Core i5-11400 vs Core i7-11700K
A side-by-side comparison of specs, performance and value. The Intel Core i5-11400 is a mainstream desktop processor that brought next-generation features to the budget segment with the Rocket Lake-S architecture. Launched in March 2021, this 6-core, 12-thread chip operates on a 14nm process but utilizes the Cypress Cove microarchitecture to deliver improved IPC over the 10th Gen. With a base clock of 2.6 GHz and a boost up to 4.4 GHz, it offers solid performance for both gaming and productivity. The standard 65W TDP makes it compatible with a wide range of cooling solutions. A major highlight is the inclusion of 20 PCIe 4.0 lanes, enabling faster storage and GPU communication without stepping up to a more expensive motherboard. The integrated UHD Graphics 730 provides basic display functionality, though it is not intended for gaming. For budget-conscious builders, the i5-11400 became an instant favorite, offering an unbeatable price-to-performance ratio that made it a staple in entry-level gaming rigs and home office builds.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Handles everyday multitasking and creator workloads efficiently.
Strong application performance thanks to high clocks and IPC improvements.
Gaming
Excellent gaming performance, minimizing bottlenecks for RTX 3060/RX 6600 class GPUs.
Excellent 1080p and 1440p gaming performance, trading blows with AMD's Ryzen 7 5800X.
Virtualization
Good for running light virtual machines.
16 threads handle virtualization well, but lacks quad-channel memory of HEDT.
Efficiency
14nm process is less efficient than newer nodes, drawing more power under load.
Power draw can exceed 250W under all-core load; efficiency lags behind TSMC 7nm nodes.
Specialized Performance
AI / ML
- AVX-512 support included
- Good for basic CPU-based AI tasks
- No dedicated AI hardware
- AVX-512 support accelerates specific workloads
- DL Boost for AI inference
- Limited by 14nm power scaling under sustained load
Content Creation
Gaming
- Fantastic 1080p gaming performance
- Pairs perfectly with budget GPUs
- Good single-core boost speeds
- Exceptional single-core speed
- Low latency for competitive gaming
- PCIe 4.0 benefits high-end GPUs
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Excellent price-to-performance ratio
- Supports PCIe 4.0
- Good IPC improvements
- Includes integrated graphics (UHD 730)
Cons
- 14nm process is power-hungry under load
- Locked multiplier
- End-of-life platform (LGA 1200)
- Runs warm compared to newer architectures
Pros
- Excellent single-core and gaming performance
- 19% IPC uplift over 10th Gen
- 20 PCIe 4.0 lanes for storage and GPUs
- Unlocked for overclocking
- Drop-in upgrade for LGA 1200 motherboards
- AVX-512 instruction support
Cons
- High power consumption under multi-core loads
- Runs very hot under heavy stress
- 14nm process is stretched to its limits
- End-of-life platform with no future upgrade path
- Stock cooler not included
Competitors & Alternatives
Core i5-11400
- AMD Ryzen 5 5600XRival
Desktop
- AMD Ryzen 5 3600Rival
Desktop
- Compare head-to-headIntel Core i5-10400Rival
Desktop
- Compare head-to-headIntel Core i5-11600Rival
Desktop
- AMD Ryzen 7 3700XRival
Desktop
- Intel Core i5-12400FAlt
A newer 12th gen alternative with better single-core performance.
- AMD Ryzen 5 5600Alt
Excellent alternative with strong multi-core performance.
Slightly cheaper alternative if you already have a dedicated GPU.
Compare head-to-head- AMD Ryzen 5 7600Alt
A much faster, next-generation alternative.
A great budget alternative for pure gaming.
Compare head-to-head
Core i7-11700K
- AMD Ryzen 7 5800XRival
Desktop
- AMD Ryzen 9 5900XRival
Desktop
- Compare head-to-headIntel Core i9-11900KRival
Desktop
- Compare head-to-headIntel Core i5-11600KRival
Desktop
- AMD Ryzen 7 5700XRival
Desktop
Better efficiency, more cores, and DDR5 support.
Compare head-to-head- AMD Ryzen 7 5800X3DAlt
Superior gaming performance with 3D V-Cache.
- Intel Core i5-12400Alt
Incredible budget value with similar gaming performance.
- AMD Ryzen 5 7600Alt
Modern AM5 platform with great efficiency.
Massive multi-core and gaming leap over 11700K.
Compare head-to-head
Our Verdict on Each
An exceptional value desktop CPU that brought PCIe 4.0 and strong IPC to the budget market.
Best for: The Intel Core i5-11400 remains an incredibly smart purchase for budget PC builders, especially on the used market. If you are assembling a 1080p gaming rig or a general-purpose home PC and want to keep costs low, this processor offers phenomenal value. Its 6-core, 12-thread configuration is more than sufficient for modern games when paired with a mid-range GPU. Because it is not unlocked, you should pair it with a B560 or H570 motherboard to at least allow memory overclocking, maximizing its potential. However, if you are buying brand new components, you might find better overall efficiency and upgradeability with a 12th Gen Alder Lake i5-12400F or a Ryzen 5 7600. Still, for under $100 on the secondhand market, the i5-11400 is an absolute steal that will comfortably handle everyday computing and mainstream gaming for years to come.
Read the full reviewA powerful 8-core CPU with excellent single-core speeds and PCIe 4.0, though its 14nm process runs hot and draws significant power under heavy load.
Best for: Upgrading an existing LGA 1200 system without buying a new motherboard.
Read the full reviewFrequently Asked Questions
Which is better, Core i5-11400 or Core i7-11700K?
Based on our editorial ratings, the Core i5-11400 comes out ahead with a score of 8.8/10. 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, Core i5-11400 or Core i7-11700K?
For gaming, the Core i7-11700K leads with a gaming performance score of 92/100 among Core i5-11400 and Core i7-11700K.
Which uses less power?
The Core i5-11400 has the lowest rated TDP. Power draw across these chips: Core i5-11400 (65 W), Core i7-11700K (125 W).
Do Core i5-11400 and Core i7-11700K use the same socket?
Yes — all of these CPUs use the Intel Socket 1200 socket, so they share compatible motherboards.
Which has more cores?
The Core i7-11700K has the most cores. Core counts: Core i5-11400 (6 cores), Core i7-11700K (8 cores).
Which is faster in multi-core benchmarks?
The Core i7-11700K posts the highest multi-core benchmark score. Multi-core results: Core i7-11700K (18,000). Benchmark figures are approximate and workload-dependent.