GuidesComparisonsIntel i9-13900k Vs Ryzen 9 7900X

Intel i9-13900k Vs Ryzen 9 7900X [Benchmarks Tested]

Our Intel Core i9-13900k vs. AMD Ryzen 9 7900X guide is here to tell you all the differences between these two processors.

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The core i9-13900K is the top variant of Intel’s 13th generation, the Intel Raptor Lake. In contrast, the Ryzen 9 7900x is a processor of the AMD Ryzen 7000 series. Both CPUs brag top-tier specifications, ranking them among the market’s leading processors. Today, we’ll compare the Core i9-13900K vs Ryzen 9 7900X to determine which is the superior processor.

Key Takeaways

  • Based on my testing, the Core i9-13900K outperforms the Ryzen 9 7900X by about 3.6% in gaming performance at 4K resolution.
  • My findings show that the Ryzen 9 7900X is roughly 4.6% more thermally efficient and 22.7% more energy efficient than the Core i9-13900K.
  • About the current CPU prices, the Core i9-13900K is available for $549, while the Ryzen 9 7900X costs $389.
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Comparison Table

FeatureIntel core i9-13900kAMD Ryzen 9 7900X
CoresTotal: 24 (8 P-cores + 16 E-cores)12
Base ClockP-core base: 3.0 GHz
E-core base: 2.2 GHz
4.7 GHz
Turbo ClockP-core turbo: 5.4 GHz
E-core turbo: 4.3 GHz
CPU Turbo: Up to 5.8 GHz
Up to 5.6 GHz
Memory Type & FrequencyDDR5: Up to 5600 MT/s
DDR4: Up to 3200 MT/s
DDR5: Up to 5200 MT/s
TDP125-253 watts170 watts
Max Temperature100 °C95 °C
Integrated GraphicsIntel® UHD Graphics 770AMD Radeon 2
Graphics Turbo ClockUp to 1650 MHzUp to 2200 MHz
Best MotherboardsBest Motherboards For Core i9-13900KBest Motherboards For Ryzen 9 7900X
Best RAMBest RAM For Core i9-13900KBest RAM For Ryzen 9 7900X
Best CPU CoolersBest Coolers For Core i9-13900KBest Coolers For Ryzen 9 7900X
Best GPUBest GPUs For Core i9-13900K-

Architectural Difference

  • Architecture: The Core i9-13900K has Intel’s hybrid architecture, the Raptor Lake, while the Ryzen 9 7900X features AMD’s Zen 4 architecture.
  • Process Node: AMD uses TSMC’s 5nm FinFET technology to fabricate the Ryzen 9 7900X cores. In contrast, the Core i9-13900K is manufactured at Intel’s 10nm node.
  • CPU Socket: The Ryzen 9 7900X features an advanced AM5 socket, also known as LGA1718, because it is AMD’s first LGA socket with a pin count of 1718 pins. Contrarily, Intel offers an FCLGA1700 socket with the Core i9-13900K.
  • Clock Speed: In terms of CPU clock, the Ryzen 9 7900X features a 56.7% faster base clock than the Core i9-13900K. However, the Core i9-13900K surpasses the Ryzen 9 7900X by 3.6% in boost clock. Moreover, both the processors are also unlocked for overclocking.
  • CPU Memory: Coming to CPU memory, the Ryzen 9 7900X does not support DDR4, while the Core i9-13900K does. The Core i9-13900K has a memory bandwidth of 89.6 GB/s and the Ryzen 9 7900X has 54.0 GB/s.
  • Integrated Graphics: Both processors feature dual-core iGPUs, with the Ryzen 9 7900X’s AMD Radeon 2 Graphics boasting a 33.3% higher clock speed.

Gaming Benchmarks – 4K

I tested the gaming capabilities of the Core i9-13900K vs Ryzen 9 7900X by playing seven demanding games at 4K resolution, with ultra and high settings for optimal performance evaluation.

Test PC Specs

The system I used to check the performance of two CPUs had the following specifications.

  • GPU: Nvidia GeForce RTX 3080
  • RAM: 2x16GB DDR4 3600MHz | DDR5 6200MHz
  • SSD: Samsung 980 EVO Plus SSD 1TB

Assassin’s Creed Valhalla

Assassin's Creed Valhalla Stats
Assassin’s Creed Valhalla Benchmarks at 4K – Image Credits (Tech4Gamers)
  • During my gameplay of Assassin’s Creed Valhalla, the Core i9-13900K delivered a superb 100 FPS on average at 4K, while under the same conditions, the Ryzen 9 7900X produced only 87 FPS.
  • When I observed the low 1% frame rate, the Core i9-13900K again led with its 74 FPS during the gameplay. Meanwhile, the Ryzen 9 7900X provided only 66 FPS.

Cyberpunk 2077

Cyberpunk 2077 Stats
Cyberpunk 2077 Benchmarks at 4K – Image Credits (Tech4Gamers)
  • During Cyberpunk 2077, I experienced the Core i9-13900K outperforming the Ryzen 9 7900X with an average frame rate of 102 FPS compared to 99 FPS, leading by 3.0%.
  • Considering the low 1% performance scenario, the Ryzen 9 7900X led by providing 71 FPS, while the Core i9-13900K could only muster up 60 FPS.

God Of War

God of War Stats
God of War Benchmarks at 4K – Image Credits (Tech4Gamers)
  • In my testing of God of War, the Ryzen 9 7900X outperformed the Core i9-13900K’s 115 FPS by delivering an average of 128 FPS, surpassing the latter by 11.3% or 13 FPS.
  • Regarding the low 1% performance metrics, the Ryzen 9 7900X provided only 83 FPS, whereas the Core i9-13900K turned over 100 FPS at its low 1%.

Horizon Zero Dawn

Horizon Zero Dawn Stats
Horizon Zero Dawn Benchmarks at 4K – Image Credits (Tech4Gamers)
  • When I played Horizon Zero Dawn at 4K, the Core i9-13900K outperformed with an average of 148 FPS, surpassing the Ryzen 9 7900X by 5.7%, which achieved 140 FPS.
  • I experienced the Core i9-13900K providing 108 FPS at the low 1% performance, surpassing the Ryzen 9 7900X, which provided 99 FPS.

Red Dead Redemption 2

Red Dead Redemption 2 Stats
Red Dead Redemption 2 Benchmarks at 4K – Image Credits (Tech4Gamers)
  • When I tested the performance of two CPUs in Red Dead Redemption 2, the Core i9-13900K was leading the Ryzen 9 7900X by 6.5%, delivering 130 FPS on average.
  • In my testing, the Core i9-13900K achieved 91 FPS at 1% performance, whereas the Ryzen 9 7900X provided 92 FPS.

Watch Dogs Legion

Watch Dogs Legion Stats
Watch Dogs Legion Benchmarks at 4K – Image Credits (Tech4Gamers)
  • During my Watch Dogs Legion’s gameplay, I experienced the Core i9-13900K delivering an average of 109 FPS, 5.8% better than the Ryzen 9 7900X’s average of 103 FPS.
  • I observed the Core i9-13900K delivering 72 FPS at the low 1% performance, outperforming the Ryzen 9 7900X, which supplied only 66 FPS at low 1%.

Overall Gaming Performance

Overall Frame rates
Overall gaming performance in average and low 1% frame rates – Image Credits (Tech4Gamers)

Upon examination of the benchmark data, I discovered that the Core i9-13900K emerged victorious in the battle of gaming performance, with an average of 117.3 FPS, defeating the Ryzen 9 7900X’s average of 113.2 FPS. The Core i9-13900K was victorious in all other games, but the Ryzen 9 7900X was limited to outperforming it in God of War. So, the Core i9-13900K offers around 3.6% more satisfactory gaming performance at 4K than the Ryzen 9 7900X.

When comparing the low 1% performance numerals, the Ryzen 9 7900X averaged 79.5 FPS, whereas the Core i9-13900K averaged 84.2 FPS. In light of this, the Core i9-13900K outperforms the Ryzen 9 7900X by 5.9% under worst 1% performance scenarios.

Gaming Power Consumption

GameIntel Core i9-13900K (W)AMD Ryzen 9 7900X (W)
Assassin's Creed Valhalla12095
Cyberpunk 2077145121
God of War152120
Horizon Zero Dawn123103
Red Dead Redemption 2122104
Watch Dogs Legion155123
Average Power Draw136.2111

During my gaming sessions, the Core i9-13900K had an average power draw of 136.2 watts, while the Ryzen 9 7900X averaged 111.0 watts. Computing the performance-to-power ratio reveals that the Ryzen 9 7900X achieved 1.02 frames per watt, surpassing the Core i9-13900K’s 0.86 frames per watt. This translates to a 22.7% power efficiency advantage for the Ryzen 9 7900X, significantly reducing electricity costs.

Gaming Temperatures

GameIntel Core i9-13900K (°C)AMD Ryzen 9 7900X (°C)
Assassin's Creed Valhalla5761
Cyberpunk 20776360
God of War6056
Horizon Zero Dawn7167
Red Dead Redemption 25957
Watch Dogs Legion6053
Average Temperature61.759

During my testing, the Core i9-13900K averaged a gaming temperature of 61.7°C, while the Ryzen 9 7900X maintained a cooler average of 59.0°C. This indicates a 4.6% superior thermal efficiency for the Ryzen 9 7900X over the Core i9-13900K.

Price And Availability

Now, let’s talk about each CPU’s price and availability. While Intel released the Core i9-13900K, with an initial price of $589, AMD presented the Ryzen 9 7900X at a price point of $549.

Regarding the current market price, the Core i9-13900K is presently available for $549. If you require the Ryzen 9 7900X, it is also more affordable at $389.

When speaking of performance per dollar, the Ryzen 9 7900X delivers approximately 36% better FPS-to-cost ratio than the Core i9-13900K. The Ryzen 9 7900X produced about 0.291 FPS per dollar, whereas the Core i9-13900K provided 0.214 FPS per dollar.

Regarding availability, both processors are readily available through official Intel and AMD stores and popular internet merchants like Amazon and Newegg.

Which One Would I Recommend?

With my suggestion, Let me conclude the comparison of the Core i9-13900K vs Ryzen 9 7900X.

I heartily recommend the Core i9-13900K for its superior gaming performance and adeptness in content creation. During my gaming performance evaluation at 4K resolution, the Core i9-13900K provided about 3.6% better performance.

However, I suggest the AMD Ryzen 9 7900X if you want a gaming processor with strong power efficiency. In comparison to the Core i9-13900K, the Ryzen 9 7900X has a 22.7% higher energy efficiency and provides more performance per watt.

Pros And Cons

Intel Core i9-13900KAMD Ryzen 9 7900X
Excellent Gaming PerformanceHigh Power ConsumptionPowerful Integrated GraphicsDDR5 Not Supported
High Cores and Threads countHigh PricePower Efficient CPUNo Stock Cooler in box

Common Questions Answered

Which processor is more suitable for gaming, core i9-13900k or Ryzen 9 7900X?

The Intel core i9-13900k is more reasonable for gaming because its overall performance in gaming tests was 3.6% better than that of the Ryzen 9 7900X.

Which CPU is more power efficient, the core i9-13900k or the Ryzen 9 7900X?

The Ryzen 9 7900X is more power efficient. While gaming at 4K, the Ryzen 9 7900X draws about 22.7% less power than the Core i9-13900K.

Why Intel core i9-13900k is expensive than AMD Ryzen 9 7900X?

The Intel core i9-13900k is more expensive than AMD Ryzen 9 7900X because of a double number of cores, more threads, and greater turbo power.

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