Core 3 N355 vs Ryzen 9 5900X

Intel

Core 3 N355

8 Cores8 Thrd15 WWMax: 3.9 GHz2025
Similar parts
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VS
AMD

Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020
Ryzen family
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Core 3 N355 vs Ryzen 9 5900X Performance Spectrum

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 3 N355 vs Ryzen 9 5900X 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 3 N355 vs Ryzen 9 5900X: Pros, Cons & Final Verdict

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

Core 3 N355

2025

Why buy it

  • Costs $249 less on MSRP ($300 MSRP vs $549 MSRP).
  • Draws 15W instead of 105W, a 90W reduction.
  • Newer platform on FCBGA1264 with DDR5 support instead of AM4 and DDR4.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
  • Lower PassMark (10,502 vs 38,955).
  • Smaller total L3 cache (6 MB vs 64 MB).
  • Lower PassMark per dollar, at 35.0 vs 71.0 PassMark/$ ($300 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

  • Better for gaming: +91.7% higher average FPS across 50 shared CPU benchmark tests.
  • +966.7% larger total L3 cache (64 MB vs 6 MB).
  • Delivers 102.7% more PassMark for each dollar spent, at 71.0 vs 35.0 PassMark/$ ($549 MSRP vs $300 MSRP).
  • 100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • 83% HIGHER MSRP
    $549 MSRPvs$300 MSRP
  • 600% higher power demand at 105W vs 15W.
  • Older platform position on AM4 with DDR4, while Core 3 N355 moves to FCBGA1264 and DDR5.

Quick Answers

So, is Ryzen 9 5900X better than Core 3 N355?
Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 91.7% average FPS lead across 50 shared CPU game tests in our data and 270.9% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Ryzen 9 5900X is the better pick. According to our tests, it delivers 91.7% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 5900X is the stronger fit. You are getting 270.9% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 966.7% larger total L3 cache (64 MB vs 6 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 5900X is the better buy right now. Ryzen 9 5900X comes in 83.0% more expensive on MSRP at $549 MSRP versus $300 MSRP, and it still gives you a 91.7% average FPS lead across 50 shared CPU game tests in our data. It is also 102.7% better value on MSRP (71.0 vs 35.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core 3 N355 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020) and a healthier platform with FCBGA1264 and DDR5 instead of AM4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core 3 N355 vs Ryzen 9 5900X Technical Specifications

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

Intel

Core 3 N355

The Core 3 N355 is manufactured by Intel. It was released in 7 January 2025 (less than a year ago). It is based on the Twin Lake (2024−2025) architecture. It features 8 cores and 8 threads. Base frequency is 0.1 GHz, with boost up to 3.9 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on Intel 7 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 10,502 points. Launch price was $149.

AMD

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

Processing Power

The Core 3 N355 packs 8 cores / 8 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 4 more cores. Boost clocks reach 3.9 GHz on the Core 3 N355 versus 4.8 GHz on the Ryzen 9 5900X — a 20.7% clock advantage for the Ryzen 9 5900X (base: 0.1 GHz vs 3.7 GHz). The Core 3 N355 uses the Twin Lake (2024−2025) architecture (Intel 7 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core 3 N355 scores 10,502 against the Ryzen 9 5900X's 38,955 — a 115.1% lead for the Ryzen 9 5900X. L3 cache: 6 MB (total) on the Core 3 N355 vs 64 MB on the Ryzen 9 5900X.

FeatureCore 3 N355Ryzen 9 5900X
Cores / Threads
8 / 8
12 / 24+50%
Boost Clock
3.9 GHz
4.8 GHz+23%
Base Clock
0.1 GHz
3.7 GHz+3600%
L3 Cache
6 MB (total)
64 MB+967%
L2 Cache
2 MB (total)
512K (per core)+25500%
Process
Intel 7 nm
7 nm, 12 nm
Architecture
Twin Lake (2024−2025)
Vermeer (Zen3) (2020−2022)
PassMark
10,502
38,955+271%
Cinebench R23 Multi
21,000
Geekbench 6 Single
2,174
Geekbench 6 Multi
11,888
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Memory & Platform

The Core 3 N355 uses the FCBGA1264 socket (PCIe 4.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore 3 N355Ryzen 9 5900X
Socket
FCBGA1264
AM4
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
DDR4-3200
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
Yes
PCIe Lanes
24
🔧

Advanced Features

Virtualization: not specified (Core 3 N355) / AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

FeatureCore 3 N355Ryzen 9 5900X
Integrated GPU
No
Unlocked
Yes
AVX-512
No
Virtualization
AMD-V
Target Use
Workstation
💰

Value Analysis

At launch, the Core 3 N355 was priced at $300, while the Ryzen 9 5900X came in at $549. On launch pricing ($300 vs $549), Core 3 N355 was $249 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 3 N355 delivers 35.0 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 67.9% better value option.

FeatureCore 3 N355Ryzen 9 5900X
MSRP
$300-45%
$549
Performance per Dollar
35.0
71.0+103%
Release Date
2025
2020

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