Core i9-10900X vs Ryzen 9 5900HX

Core i9-10900X vs Ryzen 9 5900HX Performance Spectrum

Core i9-10900X

10 / 20

22,377

+0.8%

22,198

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen 9 9900X3D

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Core i9-10900X vs Ryzen 9 5900HX FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i9-10900X vs Ryzen 9 5900HX: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-10900X

2019

Why buy it

✅+0.8% higher PassMark.
✅+20.3% larger total L3 cache (19 MB vs 16 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900HX across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 37.9 vs 83.5 PassMark/$ ($590 MSRP vs $266 MSRP).
❌266.7% higher power demand at 165W vs 45W.
❌No integrated graphics, while Ryzen 9 5900HX can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Ryzen 9 5900HX.

Ryzen 9 5900HX

2021

Why buy it

✅Better for gaming: +4.3% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $324 less on MSRP ($266 MSRP vs $590 MSRP).
✅Delivers 120.0% more PassMark for each dollar spent, at 83.5 vs 37.9 PassMark/$ ($266 MSRP vs $590 MSRP).
✅Draws 45W instead of 165W, a 120W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (22,198 vs 22,377).
❌Smaller total L3 cache (16 MB vs 19 MB).

Quick Answers

So, is Ryzen 9 5900HX better than Core i9-10900X?

It depends on what you want from the system. For gaming, Ryzen 9 5900HX is ahead with a 4.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-10900X pulls ahead with 0.8% better PassMark. Core i9-10900X also has the bigger cache pool with 20.3% larger total L3 cache (19 MB vs 16 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-10900X is the stronger fit. You are getting 0.8% better PassMark, backed by 10 cores and 20 threads. It also has the larger cache pool with 20.3% larger total L3 cache (19 MB vs 16 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 9 5900HX is the better buy right now. Ryzen 9 5900HX comes in $324 cheaper on MSRP at $266 MSRP versus $590 MSRP, and it still gives you a 4.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i9-10900X is still stronger for heavier multi-core work with 0.8% better PassMark. It is also 120.0% better value on MSRP (83.5 vs 37.9 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 9 5900HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019). That makes it the safer long-term bet.

Core i9-10900X vs Ryzen 9 5900HX Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-10900X

The Core i9-10900X is manufactured by Intel. It was released in 19 October 2019 (6 years ago). It is based on the Cascade Lake-X (2019) architecture. It features 10 cores and 20 threads. Base frequency is 3.7 GHz, with boost up to 4.7 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 22,377 points. Launch price was $299.

Ryzen 9 5900HX

The Ryzen 9 5900HX is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Cezanne-H (Zen 3) (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 22,198 points. Launch price was $299.

⚡

Processing Power

The Core i9-10900X packs 10 cores / 20 threads, while the Ryzen 9 5900HX offers 8 cores / 16 threads — the Core i9-10900X has 2 more cores. Boost clocks reach 4.7 GHz on the Core i9-10900X versus 4.6 GHz on the Ryzen 9 5900HX — a 2.2% clock advantage for the Core i9-10900X (base: 3.7 GHz vs 3.3 GHz). The Core i9-10900X uses the Cascade Lake-X (2019) architecture (14 nm), while the Ryzen 9 5900HX uses Cezanne-H (Zen 3) (2021) (7 nm). In PassMark, the Core i9-10900X scores 22,377 against the Ryzen 9 5900HX's 22,198 — a 0.8% lead for the Core i9-10900X. L3 cache: 19.25 MB (total) on the Core i9-10900X vs 16 MB (total) on the Ryzen 9 5900HX.

Feature	Core i9-10900X	Ryzen 9 5900HX
Cores / Threads	10 / 20+25%	8 / 16
Boost Clock	4.7 GHz+2%	4.6 GHz
Base Clock	3.7 GHz+12%	3.3 GHz
L3 Cache	19.25 MB (total)+20%	16 MB (total)
L2 Cache	1 MB (per core)	512K (per core)+51100%
Process	14 nm	7 nm-50%
Architecture	Cascade Lake-X (2019)	Cezanne-H (Zen 3) (2021)
PassMark	22,377	22,198
Cinebench R23 Multi	—	13,955
Geekbench 6 Single	—	1,845
Geekbench 6 Multi	—	7,587

🧠

Memory & Platform

The Core i9-10900X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 9 5900HX uses FP6 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i9-10900X	Ryzen 9 5900HX
Socket	LGA2066	FP6
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	—	DDR4-3200, LPDDR4-4266
Max RAM Capacity	—	64 GB
RAM Channels	—	2
ECC Support	—	No
PCIe Lanes	—	16

🔧

Advanced Features

Virtualization: not specified (Core i9-10900X) / AMD-V (Ryzen 9 5900HX). The Ryzen 9 5900HX includes integrated graphics (Radeon RX Vega 8), while the Core i9-10900X requires a dedicated GPU. Primary use case: Ryzen 9 5900HX targets Gaming Laptop / Mobile Workstation. Direct competitor: Ryzen 9 5900HX rivals Core i9-11980HK.

Feature	Core i9-10900X	Ryzen 9 5900HX
Integrated GPU	—	Yes
IGPU Model	—	Radeon RX Vega 8
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Gaming Laptop / Mobile Workstation

💰

Value Analysis

At launch, the Core i9-10900X was priced at $590, while the Ryzen 9 5900HX came in at $266. On launch pricing ($590 vs $266), Ryzen 9 5900HX was $324 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-10900X delivers 37.9 pts/$ vs 83.5 pts/$ for the Ryzen 9 5900HX — making the Ryzen 9 5900HX the 75% better value option.

Feature	Core i9-10900X	Ryzen 9 5900HX
MSRP	$590	$266-55%
Performance per Dollar	37.9	83.5+120%
Release Date	2019	2021

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