Core 3 N355 vs Core i7-9700K

Intel

Core 3 N355

8 Cores8 Thrd15 WWMax: 3.9 GHz2025
Similar parts
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VS
Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018
Similar parts
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Core 3 N355 vs Core i7-9700K 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 Core i7-9700K 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 Core i7-9700K: 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 $85 less on MSRP ($300 MSRP vs $385 MSRP).
  • Draws 15W instead of 95W, a 80W reduction.
  • Newer platform on FCBGA1264 with DDR5 support instead of LGA1151 and DDR4.

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
  • Lower PassMark (10,502 vs 14,397).
  • Smaller total L3 cache (6 MB vs 12 MB).
  • No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Core i7-9700K

2018

Why buy it

  • Better for gaming: +56.8% higher average FPS across 50 shared CPU benchmark tests.
  • +100% larger total L3 cache (12 MB vs 6 MB).
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with UHD Graphics 630, while Core 3 N355 needs a discrete GPU.

Trade-offs

  • 28.3% HIGHER MSRP
    $385 MSRPvs$300 MSRP
  • 533.3% higher power demand at 95W vs 15W.
  • Older platform position on LGA1151 with DDR4, while Core 3 N355 moves to FCBGA1264 and DDR5.

Quick Answers

So, is Core i7-9700K better than Core 3 N355?
Yes. Core i7-9700K is the better all-around CPU here. It gives you a 56.8% average FPS lead across 50 shared CPU game tests in our data and 37.1% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i7-9700K is the better pick. According to our tests, it delivers 56.8% 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, Core i7-9700K is the stronger fit. You are getting 37.1% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 100% larger total L3 cache (12 MB vs 6 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-9700K is the better buy right now. Core i7-9700K comes in 28.3% more expensive on MSRP at $385 MSRP versus $300 MSRP, and it still gives you a 56.8% average FPS lead across 50 shared CPU game tests in our data. It is also 6.8% better value on MSRP (37.4 vs 35.0 PassMark/$), 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 2018) and a healthier platform with FCBGA1264 and DDR5 instead of LGA1151. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core 3 N355 vs Core i7-9700K 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.

Intel

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

Processing Power

Both the Core 3 N355 and Core i7-9700K share an identical 8-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Core 3 N355 versus 4.9 GHz on the Core i7-9700K — a 22.7% clock advantage for the Core i7-9700K (base: 0.1 GHz vs 3.6 GHz). The Core 3 N355 uses the Twin Lake (2024−2025) architecture (Intel 7 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Core 3 N355 scores 10,502 against the Core i7-9700K's 14,397 — a 31.3% lead for the Core i7-9700K. L3 cache: 6 MB (total) on the Core 3 N355 vs 12 MB (total) on the Core i7-9700K.

FeatureCore 3 N355Core i7-9700K
Cores / Threads
8 / 8
8 / 8
Boost Clock
3.9 GHz
4.9 GHz+26%
Base Clock
0.1 GHz
3.6 GHz+3500%
L3 Cache
6 MB (total)
12 MB (total)+100%
L2 Cache
2 MB (total)
256K (per core)+12700%
Process
Intel 7 nm-50%
14 nm
Architecture
Twin Lake (2024−2025)
Coffee Lake-R (2018−2019)
PassMark
10,502
14,397+37%
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Memory & Platform

The Core 3 N355 uses the FCBGA1264 socket (PCIe 4.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore 3 N355Core i7-9700K
Socket
FCBGA1264
LGA1151
PCIe Generation
PCIe 4.0+33%
PCIe 3.0
Max RAM Speed
DDR4-2666
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: not specified (Core 3 N355) / VT-x, VT-d (Core i7-9700K). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Core 3 N355 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

FeatureCore 3 N355Core i7-9700K
Integrated GPU
Yes
IGPU Model
UHD Graphics 630
Unlocked
Yes
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Desktop
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Value Analysis

At launch, the Core 3 N355 was priced at $300, while the Core i7-9700K came in at $385. On launch pricing ($300 vs $385), Core 3 N355 was $85 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 3 N355 delivers 35.0 pts/$ vs 37.4 pts/$ for the Core i7-9700K — making the Core i7-9700K the 6.6% better value option.

FeatureCore 3 N355Core i7-9700K
MSRP
$300-22%
$385
Performance per Dollar
35.0
37.4+7%
Release Date
2025
2018

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