CPU Comparison
Intel Core i7-13700K vs Intel Core i9-7940X
A side-by-side comparison of specs, performance and value. The Intel Core i7-13700K is a flagship-tier unlocked desktop processor that dominates the price-to-performance charts for high-end gaming and content creation. Released on September 27th, 2022, this 13th Gen Raptor Lake chip features 16 cores and 24 threads, combining 8 high-performance P-cores and 8 efficient E-cores. Boasting a base frequency of 3.4 GHz and an impressive max turbo of 5.4 GHz, it delivers blistering single-threaded speed. With a base power of 125W and a maximum turbo power of 253W, it demands robust power delivery and top-tier cooling. The unlocked multiplier allows enthusiasts to push frequencies even higher. It features Intel UHD Graphics 770, providing fallback display capabilities and Quick Sync media encoding. Supporting both DDR4 and DDR5 memory, along with 20 PCIe Gen 5 lanes, the i7-13700K is a highly versatile and powerful platform, widely considered the sweet spot for enthusiasts wanting i9-level gaming performance without the extreme cost.
The Bottom Line
Overview & Launch
Specifications Compared
Performance Compared
Productivity
Exceptional multi-threaded performance for heavy workloads.
Solid multi-threaded performance for its era, though surpassed by modern 12 to 14-core mainstream parts.
Gaming
Top-tier gaming performance, frequently matching or beating the i9-13900K.
Capable of high-refresh 1080p gaming, but newer mainstream CPUs deliver better frame rates and 1% lows.
Virtualization
Great for home labs and multiple VMs thanks to 14 cores and quad-channel memory.
Efficiency
Very poor efficiency compared to modern architectures, running hot and drawing significant power under load.
Specialized Performance
AI / ML
- Excellent for local AI development and CPU inference.
- AVX-512 helps with some vector calculations
- No dedicated AI acceleration hardware
- CPU-based inference is significantly slower than modern NPUs or GPUs
Content Creation
Gaming
- Capable of maximizing high-refresh-rate monitors.
- Extremely high single-core speeds.
- High clock speeds help push frames in CPU-bound scenarios
- Mesh architecture adds slight latency compared to ring bus designs
- Lacks the cache size and IPC of modern gaming CPUs
Industry Impact
Best CPU by Use Case
Target Audience
Strengths & Weaknesses
Pros
- Exceptional single and multi-threaded performance
- Unlocked for overclocking
- 5.4 GHz max turbo
- 20 PCIe 5.0 lanes
- Excellent for gaming and productivity
Cons
- High power consumption (up to 253W)
- Requires expensive cooling
- Runs very hot under load
- Does not include a stock cooler
Pros
- 14 cores and 28 threads
- 44 PCIe 3.0 lanes for expansive I/O
- Quad-channel DDR4 memory support
- AVX-512 instruction support
- Unlocked multiplier for overclocking
Cons
- Runs extremely hot under heavy loads
- High power consumption for the performance delivered
- Lacks integrated graphics
- Discontinued and outdated platform
- Outpaced by modern mainstream CPUs in efficiency and IPC
Competitors & Alternatives
Intel Core i7-13700K
- Compare head-to-headAMD Ryzen 9 7900XRival
Desktop
- AMD Ryzen 7 7800X3DRival
Desktop
- Compare head-to-headIntel Core i9-12900KRival
Desktop
- Compare head-to-headIntel Core i5-13600KRival
Desktop
- Compare head-to-headIntel Core i9-13900KRival
Desktop
Better value if you don't plan to overclock.
Compare head-to-headNewer generation with more E-cores.
Compare head-to-head
Intel Core i9-7940X
- AMD Ryzen Threadripper 1950XRival
Workstation
- AMD Ryzen Threadripper 1920XRival
Workstation
- Compare head-to-headIntel Core i9-7960XRival
High-End Desktop
- Compare head-to-headIntel Core i9-7900XRival
High-End Desktop
- Compare head-to-headIntel Core i7-7820XRival
High-End Desktop
Newer Cascade Lake-X alternative on the same platform with better value and refined behavior.
Compare head-to-head- AMD Ryzen 9 5900XAlt
Much more efficient, faster single-core, and relies on a modern AM4 platform.
Massively faster single-core and multi-core performance with modern features at a lower power draw.
Compare head-to-headModern platform with DDR5 and PCIe 5.0, offering vastly superior efficiency.
Compare head-to-headTop-tier modern performance for any workload, leaving the 7940X far behind.
Compare head-to-head
Our Verdict on Each
The definitive enthusiast processor of its generation, offering an unbeatable blend of gaming and productivity performance, though it runs hot and power-hungry.
Best for: High-end gaming and content creation with overclocking
Read the full reviewA potent HEDT processor for its time, the i9-7940X offers strong multi-core capabilities but suffers from high heat output and is outpaced by modern mainstream chips.
Best for: Upgrading an existing LGA 2066 workstation on a tight budget.
Read the full reviewFrequently Asked Questions
Which is better, Intel Core i7-13700K or Intel Core i9-7940X?
Based on our editorial ratings, the Intel Core i7-13700K comes out ahead with a score of 9.5/10. 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 i7-13700K or Intel Core i9-7940X?
For gaming, the Intel Core i7-13700K leads with a gaming performance score of 98/100 among Intel Core i7-13700K and Intel Core i9-7940X.
Which uses less power?
The Intel Core i7-13700K has the lowest rated TDP. Power draw across these chips: Intel Core i7-13700K (125 W), Intel Core i9-7940X (165 W).
Do Intel Core i7-13700K and Intel Core i9-7940X use the same socket?
No. They use different sockets (Intel Core i7-13700K: LGA 1700, Intel Core i9-7940X: LGA 2066), so each needs a compatible motherboard.
Which has more cores?
The Intel Core i7-13700K has the most cores. Core counts: Intel Core i7-13700K (16 cores), Intel Core i9-7940X (14 cores).
Which is faster in multi-core benchmarks?
The Intel Core i7-13700K posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-13700K (45,000). Benchmark figures are approximate and workload-dependent.