Intel Core i9-13900K vs AMD Ryzen 7 7800 X3D Specs, Price, Performance, and More Compared

By Mainak Dey / Tech / March 23, 2025

Intel Core i9 13900K vs. AMD Ryzen 7 7800 X3D is a comparison of former heavyweights. Find out which one of the two CPUs still holds the crown.

Intel Core i9-13900K vs AMD Ryzen 7 7800 X3D Specs, Price, Performance, and More Compared — Ryzen 7 7800X 3D vs Core i9 13900K (Image from Intel | AMD | Deltia’s Gaming)

Intel’s Raptor Lake (13th Gen) displayed remarkable performance in 2022. It was a direct answer to the competing Ryzen 7 5800 X3D. Besides gaming, which feels short compared to the X3D variant, the 13900K triumphed even the 16 core Ryzen 9 5950X in single and multicore. AMD’s answer was Zen 4, a new platform with DDR5 support, increased IPC and efficiency. Then came the 5800 X3D’s successor, the 7800X3D.

This article will compare these two blasts from past flagships based on official specifications and manufacturer-provided details. And help our readers understand the strengths and tradeoffs of each CPU without relying on third-party benchmarks.

Note: Pricing and specifications are subject to change as per manufacturer updates. Before making a purchase decision, thoroughly inspect what you are looking for.

Intel Core i9-13900K vs AMD Ryzen 7 7800 X3D – Design, Strengths, Performance and Tradeoffs

Intel Core i9-13900K

13900K vs 7800 X3D in 2025 — 13th Gen Raptor Lake Flagship (Image via Intel | Deltia’s Gaming)

Structure – Monolithic Design that incorporates (Core, Cache, and GPU) all in one place.
Core Configuration – Hybrid Core architecture
Lithography – Intel 7 (10nm)

Strengths:

Strong Multi-Threaded Capabilities – Can handle video editing and 3D-rendering like a champ.
DDR4/DDR5 Support – Cross compatibility with DDR4 and DDR5.
Turbo Boost – Up to 5.8 GHz on P-cores for short bursts.
Supports Intel Thread Director.
Supports Intel Dynamic Tuning.
Aggressive second-hand / refurbished pricing.

Weaknesses:

Higher power draw compared to AMD.
Outdated Socket (LGA 1700 is replaced by LGA 1851).
Potential oxidation issues make the product less appealing.
Requires a high-performance cooling solution.
New units of the Core i9-13900K are now priced at $715, which is much higher than the retail price of 14900K.

AMD Ryzen 7 7800 X3D

7800x3d — Last gen gaming beast from AMD (Image via AMD | Deltia’s Gaming)

Structure – Chiplet design. CCD (Core Complex Die): Contains 8 Zen 4 CPU cores and an I/O Die (PCIe, memory controllers).
3D V-Cache – 2nd generation, 96 MB.
Lithography – TSMC N4P (5nm).

Strengths:

Previous generation flagship gaming with 3D Vcache.
Amazing power efficiency.
Mostly, it can run all the Modern Gaming GPUs without bottlenecks.
AM5 offers long compatibility.

Weaknesses:

Falls behind the 13900K in terms of multithreading capabilities.
Poor video editing performance due to lack of Intel Quicksync.
Good AM5 motherboards are on the expensive side.
Poorly priced at $441. Consider paying more if you want the Vcache and get the 9800 X3D.

Final Verdict

The 13900K is the faster choice overall for everything but gaming. The 7800 X3D is only appealing when gaming is considered.

Specifications for both the CPUs will help you make the final call.

Feature	Intel Core i9-13900K	AMD Ryzen 7 7800X3D
Architecture	Hybrid (P+E Cores)	Chiplet with 3D V-Cache
Core/Thread Count	24 cores) / 32 threads	8 cores / 16 threads
Base Clock	3.2 GHz	4.2 GHz
Boost Clock	Up to 5.8 GHz	Up to 5.0 GHz
Cache (L3)	36 MB	96 MB (with 3D V-Cache)
Manufacturing Process	Intel 7 (10nm)	TSMC N4P 5nm
TDP (Base / Boost)	125W / up to 253W	120W
Socket Compatibility	LGA1700	AM5
Base Memory Frequency Support	DDR4-3200 / DDR5-5600 //	DDR5-5600
PCIe Support	PCIe 5.0	PCIe 5.0
Integrated Graphics	Intel UHD Graphics 770	AMD Radeon Graphics (RDNA 2) 2 CUs

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