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.

Celeron 3955U vs Core i5-13400F 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.

Celeron 3955U vs Core i5-13400F: Pros, Cons & Final Verdict

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

Celeron 3955U

2015

Why buy it

✅Draws 15W instead of 65W, a 50W reduction.
✅Integrated graphics onboard with HD Graphics 510, while Core i5-13400F needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-13400F across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (741 vs 11,408).
❌Smaller total L3 cache (2 MB vs 20 MB).
❌Older platform position on BGA1356 with DDR4, while Core i5-13400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-13400F.

Core i5-13400F

2023

Why buy it

✅Better for gaming: +499.7% higher average FPS across 50 shared CPU benchmark tests.
✅+900% larger total L3 cache (20 MB vs 2 MB).
✅Newer platform on LGA1700 with DDR5 support instead of BGA1356 and DDR4.
✅66.7% more PCIe lanes (20 vs 12) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Celeron 3955U.

Trade-offs

❌Launch MSRP is still $196 MSRP, while Celeron 3955U mostly shows up through inconsistent older-market listings.
❌333.3% higher power demand at 65W vs 15W.
❌No integrated graphics, while Celeron 3955U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-13400F better than Celeron 3955U?

Yes. Core i5-13400F is the better all-around CPU here. It gives you a 499.7% average FPS lead across 50 shared CPU game tests in our data, 1439.5% better Geekbench multi-core, 1634.5% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i5-13400F is the better pick. According to our tests, it delivers 499.7% 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, Core i5-13400F is the stronger fit. You are getting 1439.5% better Geekbench multi-core, backed by 10 cores and 16 threads. It also has the larger cache pool with 900% larger total L3 cache (20 MB vs 2 MB).

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

Core i5-13400F is the better buy right now. Core i5-13400F comes in at an unclear MSRP at $196 MSRP versus unclear MSRP, and it still gives you a 499.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (127.7 vs 0.0 PassMark/$), 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 i5-13400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2015), a healthier platform with LGA1700 and DDR5 instead of BGA1356, 900% larger total L3 cache (20 MB vs 2 MB), and more multi-core headroom with 10 cores / 16 threads instead of 2/2. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Celeron 3955U vs Core i5-13400F Technical Specifications

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

Celeron 3955U

The Celeron 3955U is manufactured by Intel. It was released in 15 August 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600. Passmark benchmark score: 1,443 points. Launch price was $107.

Core i5-13400F

The Core i5-13400F is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 10 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 20 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5, DDR4. Passmark benchmark score: 25,029 points. Launch price was $196.

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Processing Power

The Celeron 3955U packs 2 cores / 2 threads, while the Core i5-13400F offers 10 cores / 16 threads — the Core i5-13400F has 8 more cores. Boost clocks reach 2 GHz on the Celeron 3955U versus 4.6 GHz on the Core i5-13400F — a 78.8% clock advantage for the Core i5-13400F (base: 2 GHz vs 2.5 GHz). The Celeron 3955U uses the Skylake (2015−2016) architecture (14 nm), while the Core i5-13400F uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the Celeron 3955U scores 1,443 against the Core i5-13400F's 25,029 — a 178.2% lead for the Core i5-13400F. Geekbench 6 single-core — the metric most relevant to gaming — records 431 vs 2,407, a 139.3% lead for the Core i5-13400F that directly translates to higher frame rates. Multi-core Geekbench: 741 vs 11,408 (175.6% advantage for the Core i5-13400F). L3 cache: 2 MB on the Celeron 3955U vs 20 MB (total) on the Core i5-13400F.

Feature	Celeron 3955U	Core i5-13400F
Cores / Threads	2 / 2	10 / 16+400%
Boost Clock	2 GHz	4.6 GHz+130%
Base Clock	2 GHz	2.5 GHz+25%
L3 Cache	2 MB	20 MB (total)+900%
L2 Cache	512 kB	1.25 MB (per core)+150%
Process	14 nm	Intel 7 nm-50%
Architecture	Skylake (2015−2016)	Raptor Lake-S (2023−2024)
PassMark	1,443	25,029+1635%
Cinebench R23 Multi	—	16,211
Geekbench 6 Single	431	2,407+458%
Geekbench 6 Multi	741	11,408+1440%

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Memory & Platform

The Celeron 3955U uses the BGA1356 socket (PCIe 3.0), while the Core i5-13400F uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Celeron 3955U versus DDR5-4800, DDR4-3200 on the Core i5-13400F — the Core i5-13400F supports 125% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-13400F supports up to 192 GB of RAM compared to 32 GB — 500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Celeron 3955U) vs 20 (Core i5-13400F) — the Core i5-13400F offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Sunrise Point-LP (Celeron 3955U) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-13400F).

Feature	Celeron 3955U	Core i5-13400F
Socket	BGA1356	LGA1700
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2133	DDR5-4800, DDR4-3200+125%
Max RAM Capacity	32 GB	192 GB+500%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	12	20+67%

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Advanced Features

Neither processor supports overclocking. Both support VT-x, VT-d virtualization. The Celeron 3955U includes integrated graphics (HD Graphics 510), while the Core i5-13400F requires a dedicated GPU. Primary use case: Celeron 3955U targets Budget, Core i5-13400F targets Gaming. Direct competitor: Celeron 3955U rivals Pentium 3825U; Core i5-13400F rivals Ryzen 5 7600.