Core i5-13400F vs Core i9-9900K

Intel

Core i5-13400F

10 Cores16 Thrd65 WWMax: 4.6 GHz2023

Popular choices:

VS
Intel

Core i9-9900K

8 Cores16 Thrd95 WWMax: 5 GHz2018

Popular choices:

i5-13400F

Performance Spectrum - CPU

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i5-13400F

2023

Why buy it

  • +38.2% higher PassMark.
  • +25% larger total L3 cache (20 MB vs 16 MB).
  • Costs $292 less on MSRP ($196 MSRP vs $488 MSRP).
  • Delivers 244.1% more PassMark for each dollar spent, at 127.7 vs 37.1 PassMark/$ ($196 MSRP vs $488 MSRP).
  • Draws 65W instead of 95W, a 30W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Core i9-9900K across 50 shared CPU benchmark tests.
  • No integrated graphics, while Core i9-9900K can still boot and troubleshoot without a discrete GPU.

Core i9-9900K

2018

Why buy it

  • Better for gaming: +17.5% higher average FPS across 50 shared CPU benchmark tests.
  • Integrated graphics onboard with Intel UHD Graphics 630, while Core i5-13400F needs a discrete GPU.

Trade-offs

  • Lower PassMark (18,109 vs 25,029).
  • Smaller total L3 cache (16 MB vs 20 MB).
  • Lower PassMark per dollar, at 37.1 vs 127.7 PassMark/$ ($488 MSRP vs $196 MSRP).
  • 46.2% higher power demand at 95W vs 65W.
  • Older platform position on LGA1151 with DDR4, while Core i5-13400F moves to LGA1700 and DDR5.

Quick Answers

So, is Core i5-13400F better than Core i9-9900K?
It depends on what matters more to you. For gaming, Core i9-9900K is ahead with a 17.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-13400F pulls ahead with 38.2% better PassMark. Core i5-13400F also has the bigger cache pool with 25% larger total L3 cache (20 MB vs 16 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i5-13400F is the better fit. You are getting 38.2% better PassMark, backed by 10 cores and 16 threads. It also carries the larger cache pool with 25% larger total L3 cache (20 MB vs 16 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i5-13400F is the smarter buy today. Core i5-13400F is $292 cheaper on MSRP at $196 MSRP versus $488 MSRP, and it gives you 38.2% better PassMark. The trade-off is that Core i9-9900K is still the better pure gaming CPU with a 17.5% average FPS lead across 50 shared CPU game tests in our data. It is also 244.1% better value on MSRP (127.7 vs 37.1 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Core i5-13400F is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2018), a healthier platform with LGA1700 and DDR5 instead of LGA1151, 25% larger total L3 cache (20 MB vs 16 MB), and more multi-core headroom with 10 cores / 16 threads instead of 8/16. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetCore i5-13400FCore i9-9900K
1080p
low171 FPS274 FPS
medium158 FPS248 FPS
high132 FPS208 FPS
ultra112 FPS179 FPS
1440p
low143 FPS238 FPS
medium123 FPS195 FPS
high99 FPS159 FPS
ultra84 FPS139 FPS
4K
low81 FPS165 FPS
medium74 FPS136 FPS
high59 FPS106 FPS
ultra46 FPS93 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i5-13400FCore i9-9900K
1080p
low545 FPS453 FPS
medium464 FPS404 FPS
high389 FPS355 FPS
ultra356 FPS318 FPS
1440p
low458 FPS429 FPS
medium403 FPS376 FPS
high345 FPS329 FPS
ultra301 FPS284 FPS
4K
low280 FPS288 FPS
medium247 FPS260 FPS
high231 FPS249 FPS
ultra204 FPS213 FPS
League of Legends

League of Legends

PresetCore i5-13400FCore i9-9900K
1080p
low530 FPS453 FPS
medium449 FPS453 FPS
high415 FPS453 FPS
ultra375 FPS453 FPS
1440p
low490 FPS453 FPS
medium422 FPS453 FPS
high382 FPS453 FPS
ultra343 FPS435 FPS
4K
low393 FPS453 FPS
medium331 FPS447 FPS
high296 FPS392 FPS
ultra246 FPS330 FPS
Valorant

Valorant

PresetCore i5-13400FCore i9-9900K
1080p
low626 FPS453 FPS
medium626 FPS453 FPS
high626 FPS453 FPS
ultra626 FPS453 FPS
1440p
low626 FPS453 FPS
medium626 FPS453 FPS
high598 FPS453 FPS
ultra521 FPS453 FPS
4K
low535 FPS453 FPS
medium492 FPS453 FPS
high439 FPS453 FPS
ultra382 FPS391 FPS

Technical Specifications

Side-by-side comparison of Core i5-13400F and Core i9-9900K

Intel

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.

Intel

Core i9-9900K

The Core i9-9900K 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 16 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 16 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: 18,109 points. Launch price was $488.

Processing Power

The Core i5-13400F packs 10 cores / 16 threads, while the Core i9-9900K offers 8 cores / 16 threads — the Core i5-13400F has 2 more cores. Boost clocks reach 4.6 GHz on the Core i5-13400F versus 5 GHz on the Core i9-9900K — a 8.3% clock advantage for the Core i9-9900K (base: 2.5 GHz vs 3.6 GHz). The Core i5-13400F uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Core i9-9900K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Core i5-13400F scores 25,029 against the Core i9-9900K's 18,109 — a 32.1% lead for the Core i5-13400F. L3 cache: 20 MB (total) on the Core i5-13400F vs 16 MB (total) on the Core i9-9900K.

FeatureCore i5-13400FCore i9-9900K
Cores / Threads
10 / 16+25%
8 / 16
Boost Clock
4.6 GHz
5 GHz+9%
Base Clock
2.5 GHz
3.6 GHz+44%
L3 Cache
20 MB (total)+25%
16 MB (total)
L2 Cache
1.25 MB (per core)+400%
256K (per core)
Process
Intel 7 nm-50%
14 nm
Architecture
Raptor Lake-S (2023−2024)
Coffee Lake-R (2018−2019)
PassMark
25,029+38%
18,109
Cinebench R23 Multi
16,211
Geekbench 6 Single
2,407
Geekbench 6 Multi
11,408
🧠

Memory & Platform

The Core i5-13400F uses the LGA1700 socket (PCIe 5.0), while the Core i9-9900K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-13400F versus DDR4-2666 on the Core i9-9900K — the Core i5-13400F supports 22.2% 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 128 GB 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-13400F) vs 16 (Core i9-9900K) — the Core i5-13400F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-13400F) and Intel 300 series (Core i9-9900K).

FeatureCore i5-13400FCore i9-9900K
Socket
LGA1700
LGA1151
PCIe Generation
PCIe 5.0+67%
PCIe 3.0
Max RAM Speed
DDR5-4800, DDR4-3200+25%
DDR4-2666
Max RAM Capacity
192 GB+50%
128 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
20+25%
16
🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i5-13400F) / not specified (Core i9-9900K). The Core i9-9900K includes integrated graphics (Intel UHD Graphics 630), 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.

FeatureCore i5-13400FCore i9-9900K
Integrated GPU
No
Yes
IGPU Model
Intel UHD Graphics 630
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Gaming
💰

Value Analysis

The Core i5-13400F launched at $196 MSRP, while the Core i9-9900K debuted at $488. On MSRP ($196 vs $488), the Core i5-13400F is $292 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-13400F delivers 127.7 pts/$ vs 37.1 pts/$ for the Core i9-9900K — making the Core i5-13400F the 109.9% better value option.

FeatureCore i5-13400FCore i9-9900K
MSRP
$196-60%
$488
Performance per Dollar
127.7+244%
37.1
Release Date
2023
2018