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

✅Costs $575 less on MSRP ($174 MSRP vs $749 MSRP).
✅Delivers 36.5% more PassMark for each dollar spent, at 112.3 vs 82.2 PassMark/$ ($174 MSRP vs $749 MSRP).
✅Includes a boxed cooler (Yes), unlike Ryzen 9 9955HX3D.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX3D across 6 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 61,578).
❌18.2% higher power demand at 65W vs 55W.
❌No integrated graphics, while Ryzen 9 9955HX3D can still boot and troubleshoot without a discrete GPU.

Ryzen 9 9955HX3D

2025

Why buy it

✅Better for gaming: +32.2% higher average FPS across 6 shared CPU benchmark tests.
✅Draws 55W instead of 65W, a 10W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon 610M, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 82.2 vs 112.3 PassMark/$ ($749 MSRP vs $174 MSRP).
❌No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

Ryzen 9 9955HX3D

2025

Why buy it

✅Costs $575 less on MSRP ($174 MSRP vs $749 MSRP).
✅Delivers 36.5% more PassMark for each dollar spent, at 112.3 vs 82.2 PassMark/$ ($174 MSRP vs $749 MSRP).
✅Includes a boxed cooler (Yes), unlike Ryzen 9 9955HX3D.

Why buy it

✅Better for gaming: +32.2% higher average FPS across 6 shared CPU benchmark tests.
✅Draws 55W instead of 65W, a 10W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon 610M, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX3D across 6 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 61,578).
❌18.2% higher power demand at 65W vs 55W.
❌No integrated graphics, while Ryzen 9 9955HX3D can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Lower PassMark per dollar, at 82.2 vs 112.3 PassMark/$ ($749 MSRP vs $174 MSRP).
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Ryzen 9 9955HX3D better than Core i5-12400F?

Yes. Ryzen 9 9955HX3D is the better overall CPU here. You are getting a 32.2% average FPS lead across 6 shared CPU game tests in our data, 215.3% better 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, Ryzen 9 9955HX3D is the better pick here. According to our tests, it delivers 32.2% more average FPS across 6 shared CPU game tests. It also has a big cache advantage at 128 MB vs 18 MB.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 9955HX3D is the better fit. You are getting 215.3% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 611.1% larger total L3 cache (128 MB vs 18 MB).

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

Ryzen 9 9955HX3D is still the faster CPU overall, but Core i5-12400F makes more sense if price matters more than absolute performance. Ryzen 9 9955HX3D is 330.5% more expensive on MSRP at $749 MSRP versus $174 MSRP, and it gives you a 32.2% average FPS lead across 6 shared CPU game tests in our data. Core i5-12400F is also 36.5% better value on MSRP (112.3 vs 82.2 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 9 9955HX3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2022), 3D V-Cache and a much larger 128 MB L3 cache instead of 18 MB, and more multi-core headroom with 16 cores / 32 threads instead of 6/12. 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.

Core i5-12400F Benchmark Check

Ryzen 9 9955HX3D Benchmark Check

Path of Exile 2

Preset	Core i5-12400F	Ryzen 9 9955HX3D
1080p
low	183 FPS	287 FPS
medium	168 FPS	265 FPS
high	139 FPS	217 FPS
ultra	119 FPS	183 FPS
1440p
low	153 FPS	264 FPS
medium	132 FPS	221 FPS
high	106 FPS	170 FPS
ultra	89 FPS	150 FPS
4K
low	87 FPS	183 FPS
medium	81 FPS	153 FPS
high	64 FPS	116 FPS
ultra	49 FPS	103 FPS

Open Core i5-12400F Open Ryzen 9 9955HX3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-12400F	Ryzen 9 9955HX3D
1080p
low	471 FPS	698 FPS
medium	397 FPS	601 FPS
high	341 FPS	448 FPS
ultra	301 FPS	376 FPS
1440p
low	407 FPS	579 FPS
medium	351 FPS	517 FPS
high	309 FPS	398 FPS
ultra	265 FPS	311 FPS
4K
low	282 FPS	325 FPS
medium	248 FPS	294 FPS
high	229 FPS	258 FPS
ultra	196 FPS	218 FPS

Open Core i5-12400F Open Ryzen 9 9955HX3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-12400F	Ryzen 9 9955HX3D
1080p
low	488 FPS	851 FPS
medium	488 FPS	696 FPS
high	488 FPS	627 FPS
ultra	488 FPS	539 FPS
1440p
low	488 FPS	680 FPS
medium	488 FPS	557 FPS
high	485 FPS	490 FPS
ultra	434 FPS	416 FPS
4K
low	442 FPS	484 FPS
medium	389 FPS	401 FPS
high	337 FPS	361 FPS
ultra	274 FPS	302 FPS

Open Core i5-12400F Open Ryzen 9 9955HX3D

League of Legends

League of Legends

Valorant

Preset	Core i5-12400F	Ryzen 9 9955HX3D
1080p
low	488 FPS	1080 FPS
medium	488 FPS	976 FPS
high	488 FPS	854 FPS
ultra	488 FPS	768 FPS
1440p
low	488 FPS	853 FPS
medium	488 FPS	753 FPS
high	488 FPS	660 FPS
ultra	473 FPS	571 FPS
4K
low	488 FPS	622 FPS
medium	450 FPS	557 FPS
high	391 FPS	494 FPS
ultra	330 FPS	426 FPS

Open Core i5-12400F Open Ryzen 9 9955HX3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-12400F and Ryzen 9 9955HX3D

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.

Ryzen 9 9955HX3D

The Ryzen 9 9955HX3D is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 61,578 points. Launch price was $700.

⚡

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Ryzen 9 9955HX3D offers 16 cores / 32 threads — the Ryzen 9 9955HX3D has 10 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.4 GHz on the Ryzen 9 9955HX3D — a 20.4% clock advantage for the Ryzen 9 9955HX3D (base: 2.5 GHz vs 2.5 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Ryzen 9 9955HX3D uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the Core i5-12400F scores 19,532 against the Ryzen 9 9955HX3D's 61,578 — a 103.7% lead for the Ryzen 9 9955HX3D. L3 cache: 18 MB (total) on the Core i5-12400F vs 128 MB (total) on the Ryzen 9 9955HX3D.

Feature	Core i5-12400F	Ryzen 9 9955HX3D
Cores / Threads	6 / 12	16 / 32+167%
Boost Clock	4.4 GHz	5.4 GHz+23%
Base Clock	2.5 GHz	2.5 GHz
L3 Cache	18 MB (total)	128 MB (total)+611%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm	4 nm-43%
Architecture	Alder Lake-S (2022)	Fire Range-HX (Zen 5) (2025)
PassMark	19,532	61,578+215%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Ryzen 9 9955HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus 5600 on the Ryzen 9 9955HX3D — the Ryzen 9 9955HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 96 — 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-12400F) vs 28 (Ryzen 9 9955HX3D) — the Ryzen 9 9955HX3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and FL1 (Ryzen 9 9955HX3D).

Feature	Core i5-12400F	Ryzen 9 9955HX3D
Socket	LGA1700	FL1
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	5600+111900%
Max RAM Capacity	128 GB+139810033%	96
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	28+40%

🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x, VT-d, AMD-V (Ryzen 9 9955HX3D). The Ryzen 9 9955HX3D includes integrated graphics (AMD Radeon 610M), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Ryzen 9 9955HX3D rivals Core Ultra 9 185H.

Feature	Core i5-12400F	Ryzen 9 9955HX3D
Integrated GPU	No	Yes
IGPU Model	—	AMD Radeon 610M
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, AMD-V
Target Use	Gaming Performance/Value	—

💰

Value Analysis

The Core i5-12400F launched at $174 MSRP, while the Ryzen 9 9955HX3D debuted at $749. On MSRP ($174 vs $749), the Core i5-12400F is $575 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 82.2 pts/$ for the Ryzen 9 9955HX3D — making the Core i5-12400F the 30.9% better value option.