CPU Comparison

Intel Core i7-9700 vs Core i5-12400

A side-by-side comparison of specs, performance and value. The Intel Core i7-9700 is a 9th Generation desktop processor launched in April 2019 as part of the Coffee Lake Refresh family. It shares the same 8-core, 8-thread architecture as the i7-9700K but comes with a locked multiplier and a lower 65W TDP. Built on the 14nm process, it operates at a base clock of 3.0 GHz and boosts up to 4.7 GHz. The processor includes 12MB of L3 cache and features Intel UHD Graphics 630, allowing it to function without a dedicated GPU for basic display needs. Supporting dual-channel DDR4 memory at 2666 MT/s, it is designed for users who want solid multi-core performance without the need for overclocking. The i7-9700 strikes a balance between performance and power consumption, making it an ideal choice for office workstations, budget gaming builds, and home PCs where efficiency and reliability are prioritized over extreme speed.

Intel · Core i7
Intel Core i7-9700
8C / 8T4.7 GHz65 W
8
Full review
Top pick
Intel · Core i5
Core i5-12400
6C / 12T4.4 GHz65 W
9
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
Desktop
Segment
Desktop
Desktop
Generation
9th Gen Core i7
12th Gen
Launched
2019
2022
Status
End-of-life
Active
Codename
Coffee Lake
Alder Lake-S
Series
Core i7
Core i5
Family
Coffee Lake
Alder Lake
Predecessor
Intel Core i7-8700
Intel Core i5-11400
Successor
Intel Core i7-10700
Intel Core i5-13400

Specifications Compared

Cores & Clocks
Cores
8
6
Threads
8
12
Base Clock
3 GHz
2.5 GHz
Boost Clock
4.7 GHz
4.4 GHz
Cache & Power
L3 Cache
12 MB
18 MB
TDP
65 W
65 W
Architecture
Architecture
Coffee Lake
Alder Lake-S
Process Node
14nm
Intel 7 (10nm)
Memory
Memory Type
DDR4
DDR4, DDR5
Memory Speed
2666 MT/s
DDR5-4800, DDR4-3200
Memory Channels
Dual (2)
Dual (2)
Max Memory
128 GB
256 GB
Platform & I/O
Socket
Intel Socket 1151
LGA 1700
PCIe Version
PCIe 3.0
PCIe 5.0
PCIe Lanes
16
16
Integrated GPU
Yes
Yes
Unlocked
No
No

Performance Compared

Productivity

Intel Core i7-970075

Good for productivity, but limited by 8 threads.

Core i5-12400Best85

Snappy and reliable for all standard desktop applications.

Gaming

Intel Core i7-970082

Strong gaming performance, though slightly behind the 9700K due to lower base clock.

Core i5-12400Best90

Fantastic gaming performance that punches well above its weight class.

Virtualization

Intel Core i7-970065

8 cores help, but 8 threads limit parallel virtualization.

Core i5-12400Best78

Very capable for homelab and development VMs.

Efficiency

Intel Core i7-970085

65W TDP makes it highly efficient and easy to cool.

Core i5-12400Best90

Highly efficient 65W design with minimal heat output.

Specialized Performance

AI / ML

Intel Core i7-9700Limited
  • No dedicated AI hardware
  • Quick Sync Video available via iGPU
Core i5-12400Limited
  • No dedicated AI hardware
  • Standard CPU inference

Content Creation

Intel Core i7-9700Good
PhotoshopLightroomPremiere ProOBS Studio
Core i5-12400Good
Premiere Pro (1080p)PhotoshopOBS StudioBlender (CPU)

Gaming

Intel Core i7-9700Very Good
  • High boost clocks benefit gaming
  • Good for mid-range gaming rigs
  • iGPU allows for fallback display
Core i5-12400Excellent
  • Does not bottleneck current mid-range GPUs
  • Strong single-core speeds
  • Consistent frame times due to pure P-cores

Industry Impact

Gaming
High
High
Workstations
Moderate
Moderate
Content Creation
Moderate
High
Virtualization
Moderate
Moderate

Best CPU by Use Case

Office Productivity
Excellent
Excellent
Budget Gaming
Very Good
Video Editing
Good
Programming
Very Good
Excellent
3D Rendering
Fair
1080p Gaming
Excellent
Esports Gaming
Excellent
Light Streaming
Good

Target Audience

Gamers
Targeted
Targeted
Content Creators
Targeted
Developers
Targeted
Targeted
Workstation Users
Streamers
Targeted
Office / Productivity
Targeted
Targeted
Students
Targeted
Targeted

Strengths & Weaknesses

Intel Core i7-9700

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
Core i5-12400

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

Competitors & Alternatives

Intel Core i7-9700

Core i5-12400

Our Verdict on Each

A 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 review
Core i5-12400Recommended

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 review

Frequently Asked Questions

Which is better, Intel Core i7-9700 or Core i5-12400?

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, Intel Core i7-9700 or Core i5-12400?

For gaming, the Core i5-12400 leads with a gaming performance score of 90/100 among Intel Core i7-9700 and Core i5-12400.

Do Intel Core i7-9700 and Core i5-12400 use the same socket?

No. They use different sockets (Intel Core i7-9700: Intel Socket 1151, Core i5-12400: LGA 1700), so each needs a compatible motherboard.

Which has more cores?

The Intel Core i7-9700 has the most cores. Core counts: Intel Core i7-9700 (8 cores), Core i5-12400 (6 cores).

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). Benchmark figures are approximate and workload-dependent.