CPU Comparison
Core i5-12400 vs Core i5-12400T
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.
Highly responsive for daily applications and moderate multitasking.
Gaming
Fantastic gaming performance that punches well above its weight class.
Decent for gaming with a discrete GPU, though limited by lower max boost compared to 65W variants.
Virtualization
Very capable for homelab and development VMs.
6 cores with 12 threads handle homelab virtualization well.
Efficiency
Highly efficient 65W design with minimal heat output.
Near-perfect efficiency for a desktop chip; runs exceptionally cool.
Specialized Performance
AI / ML
- No dedicated AI hardware
- Standard CPU inference
- No dedicated AI hardware
- CPU-based AI inference is slow
Content Creation
Gaming
- Does not bottleneck current mid-range GPUs
- Strong single-core speeds
- Consistent frame times due to pure P-cores
- Requires a discrete GPU for serious gaming
- Slightly lower FPS than 12400 due to clocks
- Excellent for living room gaming setups
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
- Extremely low 35W TDP
- Pure P-core design
- PCIe 5.0 support
- Runs very cool
- DDR5 support
Cons
- Lower boost clocks than 12400
- Locked multiplier
- UHD 730 graphics are basic
- Harder to find than standard models
- PL2 drops quickly to 35W
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 i5-12400T
- AMD Ryzen 5 5600GERival
Low Power Desktop
- AMD Ryzen 5 4600GRival
Desktop APU
- Intel Core i5-12400Rival
Desktop
- Compare head-to-headIntel Core i3-12100TRival
Low Power Desktop
- AMD Ryzen 5 5600Rival
Desktop
Newer generation with more hybrid cores for better multi-threading.
Compare head-to-headCheaper and sufficient for basic office tasks.
Compare head-to-head- AMD Ryzen 5 8600GAlt
Much better integrated graphics in a low-power envelope.
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 reviewAn incredibly efficient 6-core CPU that delivers excellent everyday desktop performance with near-silent operation, perfect for compact builds.
Best for: Building a silent or compact PC where heat output is the primary concern.
Read the full reviewFrequently Asked Questions
Which is better, Core i5-12400 or Core i5-12400T?
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 i5-12400T?
For gaming, the Core i5-12400 leads with a gaming performance score of 90/100 among Core i5-12400 and Core i5-12400T.
Which uses less power?
The Core i5-12400T has the lowest rated TDP. Power draw across these chips: Core i5-12400 (65 W), Core i5-12400T (35 W).
Do Core i5-12400 and Core i5-12400T use the same socket?
Yes — all of these CPUs use the LGA 1700 socket, so they share compatible motherboards.
Which is faster in multi-core benchmarks?
The Core i5-12400 posts the highest multi-core benchmark score. Multi-core results: Core i5-12400 (16,500), Core i5-12400T (12,500). Benchmark figures are approximate and workload-dependent.