CPU Comparison
Core i5-12400 vs Core i7-11700K
A side-by-side comparison of specs, performance and value. The Intel Core i5-12400 is a 6-core, 12-thread desktop processor that redefined the mainstream market. Built on the Alder Lake architecture, it utilizes 6 pure Performance cores, reaching up to 4.4 GHz. With an 18MB L3 cache and a 65W base TDP, it strikes an optimal balance between power and thermals. It features UHD Graphics 730 for basic display output and supports both DDR4 and DDR5 memory on the LGA 1700 platform. Known for its exceptional price-to-performance ratio, it quickly became the go-to chip for budget gamers and productivity users alike.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Snappy and reliable for all standard desktop applications.
Strong application performance thanks to high clocks and IPC improvements.
Gaming
Fantastic gaming performance that punches well above its weight class.
Excellent 1080p and 1440p gaming performance, trading blows with AMD's Ryzen 7 5800X.
Virtualization
Very capable for homelab and development VMs.
16 threads handle virtualization well, but lacks quad-channel memory of HEDT.
Efficiency
Highly efficient 65W design with minimal heat output.
Power draw can exceed 250W under all-core load; efficiency lags behind TSMC 7nm nodes.
Specialized Performance
AI / ML
- No dedicated AI hardware
- Standard CPU inference
- AVX-512 support accelerates specific workloads
- DL Boost for AI inference
- Limited by 14nm power scaling under sustained load
Content Creation
Gaming
- Does not bottleneck current mid-range GPUs
- Strong single-core speeds
- Consistent frame times due to pure P-cores
- 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
- Outstanding price-to-performance
- Pure 6 P-core design
- Runs cool and quiet
- DDR5 and PCIe 5.0 support
- Includes Laminar RM1 cooler
Cons
- Locked multiplier
- UHD 730 graphics are basic
- Only 16 PCIe 5.0 lanes
- No E-cores for background tasks
- 117W PL2 requires decent motherboard VRM
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 i5-12400
- AMD Ryzen 5 5600Rival
Desktop
- AMD Ryzen 5 5600XRival
Desktop
- Intel Core i5-12400FRival
Desktop
- Compare head-to-headIntel Core i5-13400Rival
Desktop
- AMD Ryzen 5 7600Rival
Desktop
More hybrid cores for better multi-threading.
Compare head-to-headMuch cheaper for pure budget 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 outstanding value CPU that delivers excellent gaming and productivity performance without breaking the bank.
Best for: Building a budget or mid-range gaming PC where value is the top priority.
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 i5-12400 or Core i7-11700K?
Based on our editorial ratings, the Core i5-12400 comes out ahead with a score of 9/10. 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 i5-12400 or Core i7-11700K?
For gaming, the Core i7-11700K leads with a gaming performance score of 92/100 among Core i5-12400 and Core i7-11700K.
Which uses less power?
The Core i5-12400 has the lowest rated TDP. Power draw across these chips: Core i5-12400 (65 W), Core i7-11700K (125 W).
Do Core i5-12400 and Core i7-11700K use the same socket?
No. They use different sockets (Core i5-12400: LGA 1700, Core i7-11700K: Intel Socket 1200), so each needs a compatible motherboard.
Which has more cores?
The Core i7-11700K has the most cores. Core counts: Core i5-12400 (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 i5-12400 (16,500), Core i7-11700K (18,000). Benchmark figures are approximate and workload-dependent.