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 i5-12400F

2022

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-13900HX across 43 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (12,380 vs 29,493).
❌Smaller total L3 cache (18 MB vs 36 MB).
❌Launch MSRP is still $174 MSRP, while Core i9-13900HX mostly shows up through inconsistent older-market listings.
❌18.2% higher power demand at 65W vs 55W.

Core i9-13900HX

2023

Why buy it

✅Better for gaming: +27.5% higher average FPS across 43 shared CPU benchmark tests.
✅+100% larger total L3 cache (36 MB vs 18 MB).
✅Draws 55W instead of 65W, a 10W reduction.
✅Integrated graphics onboard with UHD Graphics 770, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Core i5-12400F

2022

Core i9-13900HX

2023

Why buy it

✅Better for gaming: +27.5% higher average FPS across 43 shared CPU benchmark tests.
✅+100% larger total L3 cache (36 MB vs 18 MB).
✅Draws 55W instead of 65W, a 10W reduction.
✅Integrated graphics onboard with UHD Graphics 770, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-13900HX across 43 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (12,380 vs 29,493).
❌Smaller total L3 cache (18 MB vs 36 MB).
❌Launch MSRP is still $174 MSRP, while Core i9-13900HX mostly shows up through inconsistent older-market listings.
❌18.2% higher power demand at 65W vs 55W.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Core i9-13900HX better than Core i5-12400F?

Yes. Core i9-13900HX is the better overall CPU here. You are getting a 27.5% average FPS lead across 43 shared CPU game tests in our data, 138.2% better Cinebench R23 multi-core, 117.3% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Core i9-13900HX is the better pick here. According to our tests, it delivers 27.5% more average FPS across 43 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-13900HX is the better fit. You are getting 138.2% better Cinebench R23 multi-core, backed by 24 cores and 32 threads. It also carries the larger cache pool with 100% larger total L3 cache (36 MB vs 18 MB).

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

Core i9-13900HX is still the faster CPU overall, but Core i5-12400F makes more sense if price matters more than absolute performance. Core i9-13900HX is at an unclear MSRP at unclear MSRP versus $174 MSRP, and it gives you a 27.5% average FPS lead across 43 shared CPU game tests in our data. Core i5-12400F is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Core i9-13900HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022), 100% larger total L3 cache (36 MB vs 18 MB), and more multi-core headroom with 24 cores / 32 threads instead of 6/12. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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.

Core i5-12400F Benchmark Check

Core i9-13900HX Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	Core i9-13900HX
1080p
low	183 FPS	321 FPS
medium	168 FPS	311 FPS
high	139 FPS	247 FPS
ultra	119 FPS	209 FPS
1440p
low	153 FPS	278 FPS
medium	132 FPS	240 FPS
high	106 FPS	178 FPS
ultra	89 FPS	158 FPS
4K
low	87 FPS	192 FPS
medium	81 FPS	164 FPS
high	64 FPS	123 FPS
ultra	49 FPS	112 FPS

Open Core i5-12400F Open Core i9-13900HX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	Core i9-13900HX
1080p
low	471 FPS	401 FPS
medium	397 FPS	350 FPS
high	341 FPS	286 FPS
ultra	301 FPS	252 FPS
1440p
low	407 FPS	341 FPS
medium	351 FPS	306 FPS
high	309 FPS	255 FPS
ultra	265 FPS	207 FPS
4K
low	282 FPS	191 FPS
medium	248 FPS	174 FPS
high	229 FPS	166 FPS
ultra	196 FPS	145 FPS

Open Core i5-12400F Open Core i9-13900HX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	Core i9-13900HX
1080p
low	488 FPS	762 FPS
medium	488 FPS	626 FPS
high	488 FPS	543 FPS
ultra	488 FPS	467 FPS
1440p
low	488 FPS	680 FPS
medium	488 FPS	567 FPS
high	485 FPS	485 FPS
ultra	434 FPS	423 FPS
4K
low	442 FPS	497 FPS
medium	389 FPS	430 FPS
high	337 FPS	383 FPS
ultra	274 FPS	329 FPS

Open Core i5-12400F Open Core i9-13900HX

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	Core i9-13900HX
1080p
low	488 FPS	1012 FPS
medium	488 FPS	905 FPS
high	488 FPS	792 FPS
ultra	488 FPS	704 FPS
1440p
low	488 FPS	840 FPS
medium	488 FPS	739 FPS
high	488 FPS	646 FPS
ultra	473 FPS	568 FPS
4K
low	488 FPS	620 FPS
medium	450 FPS	555 FPS
high	391 FPS	491 FPS
ultra	330 FPS	430 FPS

Open Core i5-12400F Open Core i9-13900HX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Core i9-13900HX

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 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: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

Core i9-13900HX

The Core i9-13900HX is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-HX (2023) architecture. It features 24 cores and 32 threads. Base frequency is 2.2 GHz, with boost up to 5.4 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 42,437 points. Launch price was $668.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Core i9-13900HX offers 24 cores / 32 threads — the Core i9-13900HX has 18 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.4 GHz on the Core i9-13900HX — a 20.4% clock advantage for the Core i9-13900HX (base: 2.5 GHz vs 2.2 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core i9-13900HX uses Raptor Lake-HX (2023) (Intel 7 nm). In PassMark, the Core i5-12400F scores 19,532 against the Core i9-13900HX's 42,437 — a 73.9% lead for the Core i9-13900HX. Cinebench R23 multi-core: 12,380 vs 29,493 (81.7% advantage for the Core i9-13900HX). Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 2,878, a 51.5% lead for the Core i9-13900HX that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 14,944 (183.2% advantage for the Core i9-13900HX). L3 cache: 18 MB (total) on the Core i5-12400F vs 36 MB (total) on the Core i9-13900HX.

Feature	Core i5-12400F	Core i9-13900HX
Cores / Threads	6 / 12	24 / 32+300%
Boost Clock	4.4 GHz	5.4 GHz+23%
Base Clock	2.5 GHz+14%	2.2 GHz
L3 Cache	18 MB (total)	36 MB (total)+100%
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	Intel 7 nm	Intel 7 nm
Architecture	Alder Lake-S (2022)	Raptor Lake-HX (2023)
PassMark	19,532	42,437+117%
Cinebench R23 Multi	12,380	29,493+138%
Geekbench 6 Single	1,700	2,878+69%
Geekbench 6 Multi	657	14,944+2175%

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Core i9-13900HX uses FCBGA1964 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800, DDR4-3200 memory speed. The Core i9-13900HX 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. Both provide 20 PCIe lanes. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and HM770,WM790 (Core i9-13900HX).

Feature	Core i5-12400F	Core i9-13900HX
Socket	LGA1700	FCBGA1964
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	DDR5-5600, DDR4-3200
Max RAM Capacity	128 GB	192 GB+50%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	20

🔧

Advanced Features

Both support VT-x, VT-d, EPT virtualization. The Core i9-13900HX includes integrated graphics (UHD Graphics 770), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value, Core i9-13900HX targets Performance Gaming / Mobile Workstation. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Core i9-13900HX rivals Ryzen 9 7945HX.

Feature	Core i5-12400F	Core i9-13900HX
Integrated GPU	No	Yes
IGPU Model	—	UHD Graphics 770
Unlocked	—	Yes
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, EPT
Target Use	Gaming Performance/Value	Performance Gaming / Mobile Workstation