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.

Ryzen 5 5600X

2020

Why buy it

✅Costs $450 less on MSRP ($299 MSRP vs $749 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX3D across 50 shared CPU benchmark tests.
❌Lower PassMark (21,845 vs 61,578).
❌Lower PassMark per dollar, at 73.1 vs 82.2 PassMark/$ ($299 MSRP vs $749 MSRP).
❌18.2% higher power demand at 65W vs 55W.
❌Older platform position on AM4 with DDR4, while Ryzen 9 9955HX3D moves to FL1 and DDR5.

Ryzen 9 9955HX3D

2025

Why buy it

✅Better for gaming: +25.8% higher average FPS across 50 shared CPU benchmark tests.
✅Delivers 12.5% more PassMark for each dollar spent, at 82.2 vs 73.1 PassMark/$ ($749 MSRP vs $299 MSRP).
✅Draws 55W instead of 65W, a 10W reduction.
✅Newer platform on FL1 with DDR5 support instead of AM4 and DDR4.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌
150.5% HIGHER MSRP
$749 MSRPvs$299 MSRP

Ryzen 5 5600X

2020

Ryzen 9 9955HX3D

2025

Why buy it

✅Costs $450 less on MSRP ($299 MSRP vs $749 MSRP).

Why buy it

✅Better for gaming: +25.8% higher average FPS across 50 shared CPU benchmark tests.
✅Delivers 12.5% more PassMark for each dollar spent, at 82.2 vs 73.1 PassMark/$ ($749 MSRP vs $299 MSRP).
✅Draws 55W instead of 65W, a 10W reduction.
✅Newer platform on FL1 with DDR5 support instead of AM4 and DDR4.
✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX3D across 50 shared CPU benchmark tests.
❌Lower PassMark (21,845 vs 61,578).
❌Lower PassMark per dollar, at 73.1 vs 82.2 PassMark/$ ($299 MSRP vs $749 MSRP).
❌18.2% higher power demand at 65W vs 55W.
❌Older platform position on AM4 with DDR4, while Ryzen 9 9955HX3D moves to FL1 and DDR5.

Trade-offs

❌
150.5% HIGHER MSRP
$749 MSRPvs$299 MSRP

Quick Answers

So, is Ryzen 9 9955HX3D better than Ryzen 5 5600X?

Yes. Ryzen 9 9955HX3D is the better overall CPU here. You are getting a 25.8% average FPS lead across 50 shared CPU game tests in our data, 181.9% 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 25.8% more average FPS across 50 shared CPU game tests. It also has a big cache advantage at 128 MB vs 32 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 181.9% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 300% larger total L3 cache (128 MB vs 32 MB).

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

Ryzen 9 9955HX3D is the smarter buy today. Ryzen 9 9955HX3D is 150.5% more expensive on MSRP at $749 MSRP versus $299 MSRP, and it gives you a 25.8% average FPS lead across 50 shared CPU game tests in our data. It is also 12.5% better value on MSRP (82.2 vs 73.1 PassMark/$), 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?

Ryzen 9 9955HX3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020), a healthier platform with FL1 and DDR5 instead of AM4, 3D V-Cache and a much larger 128 MB L3 cache instead of 32 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.

Ryzen 5 5600X Benchmark Check

Ryzen 9 9955HX3D Benchmark Check

Path of Exile 2

Preset	Ryzen 5 5600X	Ryzen 9 9955HX3D
1080p
low	203 FPS	287 FPS
medium	174 FPS	265 FPS
high	140 FPS	217 FPS
ultra	107 FPS	183 FPS
1440p
low	169 FPS	264 FPS
medium	141 FPS	221 FPS
high	113 FPS	170 FPS
ultra	86 FPS	150 FPS
4K
low	85 FPS	183 FPS
medium	76 FPS	153 FPS
high	60 FPS	116 FPS
ultra	47 FPS	103 FPS

Open Ryzen 5 5600X Open Ryzen 9 9955HX3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 5600X	Ryzen 9 9955HX3D
1080p
low	464 FPS	698 FPS
medium	387 FPS	601 FPS
high	324 FPS	448 FPS
ultra	291 FPS	376 FPS
1440p
low	397 FPS	579 FPS
medium	334 FPS	517 FPS
high	290 FPS	398 FPS
ultra	253 FPS	311 FPS
4K
low	263 FPS	325 FPS
medium	226 FPS	294 FPS
high	205 FPS	258 FPS
ultra	171 FPS	218 FPS

Open Ryzen 5 5600X Open Ryzen 9 9955HX3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 5600X	Ryzen 9 9955HX3D
1080p
low	546 FPS	851 FPS
medium	473 FPS	696 FPS
high	432 FPS	627 FPS
ultra	358 FPS	539 FPS
1440p
low	508 FPS	680 FPS
medium	413 FPS	557 FPS
high	375 FPS	490 FPS
ultra	312 FPS	416 FPS
4K
low	348 FPS	484 FPS
medium	292 FPS	401 FPS
high	255 FPS	361 FPS
ultra	199 FPS	302 FPS

Open Ryzen 5 5600X Open Ryzen 9 9955HX3D

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 5600X	Ryzen 9 9955HX3D
1080p
low	546 FPS	1080 FPS
medium	546 FPS	976 FPS
high	546 FPS	854 FPS
ultra	546 FPS	768 FPS
1440p
low	546 FPS	853 FPS
medium	546 FPS	753 FPS
high	546 FPS	660 FPS
ultra	524 FPS	571 FPS
4K
low	529 FPS	622 FPS
medium	484 FPS	557 FPS
high	435 FPS	494 FPS
ultra	379 FPS	426 FPS

Open Ryzen 5 5600X Open Ryzen 9 9955HX3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 5600X and Ryzen 9 9955HX3D

Ryzen 5 5600X

The Ryzen 5 5600X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 21,845 points. Launch price was $299.

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 Ryzen 5 5600X 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 4.6 GHz on the Ryzen 5 5600X versus 5.4 GHz on the Ryzen 9 9955HX3D — a 16% clock advantage for the Ryzen 9 9955HX3D (base: 3.7 GHz vs 2.5 GHz). The Ryzen 5 5600X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 9 9955HX3D uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the Ryzen 5 5600X scores 21,845 against the Ryzen 9 9955HX3D's 61,578 — a 95.3% lead for the Ryzen 9 9955HX3D. L3 cache: 32 MB on the Ryzen 5 5600X vs 128 MB (total) on the Ryzen 9 9955HX3D.

Feature	Ryzen 5 5600X	Ryzen 9 9955HX3D
Cores / Threads	6 / 12	16 / 32+167%
Boost Clock	4.6 GHz	5.4 GHz+17%
Base Clock	3.7 GHz+48%	2.5 GHz
L3 Cache	32 MB	128 MB (total)+300%
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm	4 nm-43%
Architecture	Vermeer (Zen 3) (2020−2022)	Fire Range-HX (Zen 5) (2025)
PassMark	21,845	61,578+182%

🧠

Memory & Platform

The Ryzen 5 5600X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 9955HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 5 5600X versus 5600 on the Ryzen 9 9955HX3D — the Ryzen 9 9955HX3D supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 5600X 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: 24 (Ryzen 5 5600X) vs 28 (Ryzen 9 9955HX3D) — the Ryzen 9 9955HX3D offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 5 5600X) and FL1 (Ryzen 9 9955HX3D).

Feature	Ryzen 5 5600X	Ryzen 9 9955HX3D
Socket	AM4	FL1
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	5600+139900%
Max RAM Capacity	128 GB+139810033%	96
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	24	28+17%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9955HX3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 5 5600X) vs VT-x, VT-d, AMD-V (Ryzen 9 9955HX3D). The Ryzen 9 9955HX3D includes integrated graphics (AMD Radeon 610M), while the Ryzen 5 5600X requires a dedicated GPU. Primary use case: Ryzen 5 5600X targets Desktop. Direct competitor: Ryzen 9 9955HX3D rivals Core Ultra 9 185H.

Feature	Ryzen 5 5600X	Ryzen 9 9955HX3D
Integrated GPU	No	Yes
IGPU Model	—	AMD Radeon 610M
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	AMD-V	VT-x, VT-d, AMD-V
Target Use	Desktop	—

💰

Value Analysis

The Ryzen 5 5600X launched at $299 MSRP, while the Ryzen 9 9955HX3D debuted at $749. On MSRP ($299 vs $749), the Ryzen 5 5600X is $450 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 5 5600X delivers 73.1 pts/$ vs 82.2 pts/$ for the Ryzen 9 9955HX3D — making the Ryzen 9 9955HX3D the 11.8% better value option.