Core i5-13400F vs Core i9-13900KS

CPU

GPU

Core i5-13400F

10 Cores16 Thrd65 WWMax: 4.6 GHz2023

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Core i9-13900KS

24 Cores32 Thrd150 WWMax: 5.8 GHz2023

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Core i5-13400F vs Core i9-13900KS Performance Spectrum

Core i5-13400F

10 / 16

25,029

0.0%

60,543

+141.9%

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 i5-13400F vs Core i9-13900KS 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 i5-13400F vs Core i9-13900KS: Pros, Cons & Final Verdict

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

Core i5-13400F

2023

Why buy it

✅Costs $503 less on MSRP ($196 MSRP vs $699 MSRP).
✅Delivers 47.4% more PassMark for each dollar spent, at 127.7 vs 86.6 PassMark/$ ($196 MSRP vs $699 MSRP).
✅Draws 65W instead of 150W, a 85W reduction.
✅Includes a boxed cooler (Yes), unlike Core i9-13900KS.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-13900KS across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (16,211 vs 40,998).
❌Smaller total L3 cache (20 MB vs 36 MB).
❌No integrated graphics, while Core i9-13900KS can still boot and troubleshoot without a discrete GPU.

Core i9-13900KS

2023

Why buy it

✅Better for gaming: +33.5% higher average FPS across 50 shared CPU benchmark tests.
✅+80% larger total L3 cache (36 MB vs 20 MB).
✅Integrated graphics onboard with Intel UHD Graphics 770, while Core i5-13400F needs a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 86.6 vs 127.7 PassMark/$ ($699 MSRP vs $196 MSRP).
❌130.8% higher power demand at 150W vs 65W.
❌No boxed cooler included, unlike Core i5-13400F.

Quick Answers

So, is Core i9-13900KS better than Core i5-13400F?

Yes. Core i9-13900KS is the better all-around CPU here. It gives you a 33.5% average FPS lead across 50 shared CPU game tests in our data, 152.9% better Cinebench R23 multi-core, 141.9% 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 i9-13900KS is the better pick. According to our tests, it delivers 33.5% 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 i9-13900KS is the stronger fit. You are getting 152.9% better Cinebench R23 multi-core, backed by 24 cores and 32 threads. It also has the larger cache pool with 80% larger total L3 cache (36 MB vs 20 MB).

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

Core i9-13900KS is still the faster CPU overall, but Core i5-13400F is easier to justify if budget matters more than peak performance. Core i9-13900KS comes in 256.6% more expensive on MSRP at $699 MSRP versus $196 MSRP, and it still gives you a 33.5% average FPS lead across 50 shared CPU game tests in our data. Core i5-13400F is also 47.4% better value on MSRP (127.7 vs 86.6 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core i9-13900KS makes more sense long term for 2026 and beyond. You are getting 80% larger total L3 cache (36 MB vs 20 MB) and more multi-core headroom with 24 cores / 32 threads instead of 10/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-13400F vs Core i9-13900KS Technical Specifications

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

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.

Core i9-13900KS

The Core i9-13900KS is manufactured by Intel. It was released in 12 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 24 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 5.8 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 150 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 60,543 points. Launch price was $699.

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Processing Power

The Core i5-13400F packs 10 cores / 16 threads, while the Core i9-13900KS offers 24 cores / 32 threads — the Core i9-13900KS has 14 more cores. Boost clocks reach 4.6 GHz on the Core i5-13400F versus 5.8 GHz on the Core i9-13900KS — a 23.1% clock advantage for the Core i9-13900KS (base: 2.5 GHz vs 3.2 GHz). Both are built on the Raptor Lake-S (2023−2024) architecture using a Intel 7 nm process. In PassMark, the Core i5-13400F scores 25,029 against the Core i9-13900KS's 60,543 — a 83% lead for the Core i9-13900KS. Cinebench R23 multi-core: 16,211 vs 40,998 (86.7% advantage for the Core i9-13900KS). Geekbench 6 single-core — the metric most relevant to gaming — records 2,407 vs 3,123, a 25.9% lead for the Core i9-13900KS that directly translates to higher frame rates. Multi-core Geekbench: 11,408 vs 21,421 (61% advantage for the Core i9-13900KS). L3 cache: 20 MB (total) on the Core i5-13400F vs 36 MB (total) on the Core i9-13900KS.

Feature	Core i5-13400F	Core i9-13900KS
Cores / Threads	10 / 16	24 / 32+140%
Boost Clock	4.6 GHz	5.8 GHz+26%
Base Clock	2.5 GHz	3.2 GHz+28%
L3 Cache	20 MB (total)	36 MB (total)+80%
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	Intel 7 nm	Intel 7 nm
Architecture	Raptor Lake-S (2023−2024)	Raptor Lake-S (2023−2024)
PassMark	25,029	60,543+142%
Cinebench R23 Multi	16,211	40,998+153%
Geekbench 6 Single	2,407	3,123+30%
Geekbench 6 Multi	11,408	21,421+88%

🧠

Memory & Platform

Both processors use the LGA1700 socket with PCIe 5.0. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-13400F versus DDR5-5600 on the Core i9-13900KS — the Core i9-13900KS supports 16.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 192 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-13400F) and Z790,B760 (Core i9-13900KS).

Feature	Core i5-13400F	Core i9-13900KS
Socket	LGA1700	LGA1700
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-4800, DDR4-3200	DDR5-5600+17%
Max RAM Capacity	192 GB	192 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	20

🔧

Advanced Features

Only the Core i9-13900KS has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i5-13400F) vs true (Core i9-13900KS). The Core i9-13900KS includes integrated graphics (Intel UHD Graphics 770), while the Core i5-13400F requires a dedicated GPU. Primary use case: Core i5-13400F targets Gaming. Direct competitor: Core i5-13400F rivals Ryzen 5 7600; Core i9-13900KS rivals Ryzen 9 7950X.

Feature	Core i5-13400F	Core i9-13900KS
Integrated GPU	No	Yes
IGPU Model	—	Intel UHD Graphics 770
Unlocked	No	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d	true
Target Use	Gaming	—

💰

Value Analysis

At launch, the Core i5-13400F was priced at $196, while the Core i9-13900KS came in at $699. On launch pricing ($196 vs $699), Core i5-13400F was $503 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-13400F delivers 127.7 pts/$ vs 86.6 pts/$ for the Core i9-13900KS — making the Core i5-13400F the 38.3% better value option.

Feature	Core i5-13400F	Core i9-13900KS
MSRP	$196-72%	$699
Performance per Dollar	127.7+47%	86.6
Release Date	2023	2023

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