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 9 5900X

2020

Why buy it

✅Better for gaming: +26.2% higher average FPS across 3 shared CPU benchmark tests.
✅+42.2% larger total L3 cache (64 MB vs 45 MB).
✅Costs $3,073 less on MSRP ($549 MSRP vs $3,622 MSRP).
✅Delivers 444.8% more PassMark for each dollar spent, at 71.0 vs 13.0 PassMark/$ ($549 MSRP vs $3,622 MSRP).
✅Draws 105W instead of 270W, a 165W reduction.

Trade-offs

❌Lower PassMark (38,955 vs 47,176).
❌Less compelling for workstation-style loads than Xeon Gold 6444Y, which brings 16 cores / 32 threads and 80 PCIe lanes.
❌Older platform position on AM4 with DDR4, while Xeon Gold 6444Y moves to LGA4677 and DDR5.

Xeon Gold 6444Y

2023

Why buy it

✅+21.1% higher PassMark.
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 80 PCIe lanes vs 24.
✅Newer platform on LGA4677 with DDR5 support instead of AM4 and DDR4.
✅233.3% more PCIe lanes (80 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 3 shared CPU benchmark tests.
❌Smaller total L3 cache (45 MB vs 64 MB).
❌Lower PassMark per dollar, at 13.0 vs 71.0 PassMark/$ ($3,622 MSRP vs $549 MSRP).
❌157.1% higher power demand at 270W vs 105W.

Ryzen 9 5900X

2020

Xeon Gold 6444Y

2023

Why buy it

✅Better for gaming: +26.2% higher average FPS across 3 shared CPU benchmark tests.
✅+42.2% larger total L3 cache (64 MB vs 45 MB).
✅Costs $3,073 less on MSRP ($549 MSRP vs $3,622 MSRP).
✅Delivers 444.8% more PassMark for each dollar spent, at 71.0 vs 13.0 PassMark/$ ($549 MSRP vs $3,622 MSRP).
✅Draws 105W instead of 270W, a 165W reduction.

Why buy it

✅+21.1% higher PassMark.
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 80 PCIe lanes vs 24.
✅Newer platform on LGA4677 with DDR5 support instead of AM4 and DDR4.
✅233.3% more PCIe lanes (80 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (38,955 vs 47,176).
❌Less compelling for workstation-style loads than Xeon Gold 6444Y, which brings 16 cores / 32 threads and 80 PCIe lanes.
❌Older platform position on AM4 with DDR4, while Xeon Gold 6444Y moves to LGA4677 and DDR5.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 3 shared CPU benchmark tests.
❌Smaller total L3 cache (45 MB vs 64 MB).
❌Lower PassMark per dollar, at 13.0 vs 71.0 PassMark/$ ($3,622 MSRP vs $549 MSRP).
❌157.1% higher power demand at 270W vs 105W.

Quick Answers

So, is Ryzen 9 5900X better than Xeon Gold 6444Y?

Not in a simple one-size-fits-all way. Xeon Gold 6444Y makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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

For streaming, content creation, and heavier multitasking, Xeon Gold 6444Y is the better fit. You are getting 21.1% better PassMark, backed by 16 cores and 32 threads.

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

Ryzen 9 5900X is the smarter buy today. Ryzen 9 5900X is $3,073 cheaper on MSRP at $549 MSRP versus $3,622 MSRP, and it gives you a 26.2% average FPS lead across 3 shared CPU game tests in our data. The trade-off is that Xeon Gold 6444Y is still stronger for heavier multi-core work with 21.1% better PassMark. It is also 444.8% better value on MSRP (71.0 vs 13.0 PassMark/$), 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?

Xeon Gold 6444Y is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with LGA4677 and DDR5 instead of AM4, more multi-core headroom with 16 cores / 32 threads instead of 12/24, and AVX-512 support for heavier modern compute workloads. 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 9 5900X Benchmark Check

Xeon Gold 6444Y Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Xeon Gold 6444Y
1080p
low	323 FPS	205 FPS
medium	291 FPS	163 FPS
high	243 FPS	135 FPS
ultra	193 FPS	104 FPS
1440p
low	307 FPS	165 FPS
medium	248 FPS	126 FPS
high	192 FPS	99 FPS
ultra	157 FPS	77 FPS
4K
low	193 FPS	75 FPS
medium	156 FPS	61 FPS
high	115 FPS	48 FPS
ultra	103 FPS	39 FPS

Open Ryzen 9 5900X Open Xeon Gold 6444Y

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Xeon Gold 6444Y
1080p
low	772 FPS	511 FPS
medium	647 FPS	443 FPS
high	508 FPS	354 FPS
ultra	450 FPS	293 FPS
1440p
low	619 FPS	430 FPS
medium	536 FPS	381 FPS
high	443 FPS	313 FPS
ultra	364 FPS	249 FPS
4K
low	365 FPS	267 FPS
medium	318 FPS	240 FPS
high	289 FPS	212 FPS
ultra	255 FPS	176 FPS

Open Ryzen 9 5900X Open Xeon Gold 6444Y

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Xeon Gold 6444Y
1080p
low	832 FPS	1025 FPS
medium	645 FPS	1005 FPS
high	558 FPS	949 FPS
ultra	459 FPS	862 FPS
1440p
low	721 FPS	880 FPS
medium	565 FPS	777 FPS
high	488 FPS	722 FPS
ultra	407 FPS	651 FPS
4K
low	511 FPS	561 FPS
medium	421 FPS	460 FPS
high	374 FPS	399 FPS
ultra	308 FPS	328 FPS

Open Ryzen 9 5900X Open Xeon Gold 6444Y

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Xeon Gold 6444Y
1080p
low	974 FPS	1179 FPS
medium	974 FPS	1015 FPS
high	934 FPS	907 FPS
ultra	826 FPS	767 FPS
1440p
low	959 FPS	934 FPS
medium	843 FPS	806 FPS
high	726 FPS	681 FPS
ultra	617 FPS	574 FPS
4K
low	694 FPS	684 FPS
medium	621 FPS	597 FPS
high	541 FPS	516 FPS
ultra	437 FPS	431 FPS

Open Ryzen 9 5900X Open Xeon Gold 6444Y

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Xeon Gold 6444Y

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

Xeon Gold 6444Y

The Xeon Gold 6444Y is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 45 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 47,176 points. Launch price was $1,517.

⚡

Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Xeon Gold 6444Y offers 16 cores / 32 threads — the Xeon Gold 6444Y has 4 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 4 GHz on the Xeon Gold 6444Y — a 18.2% clock advantage for the Ryzen 9 5900X (base: 3.7 GHz vs 3.6 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Xeon Gold 6444Y uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Xeon Gold 6444Y's 47,176 — a 19.1% lead for the Xeon Gold 6444Y. L3 cache: 64 MB on the Ryzen 9 5900X vs 45 MB on the Xeon Gold 6444Y.

Feature	Ryzen 9 5900X	Xeon Gold 6444Y
Cores / Threads	12 / 24	16 / 32+33%
Boost Clock	4.8 GHz+20%	4 GHz
Base Clock	3.7 GHz+3%	3.6 GHz
L3 Cache	64 MB+42%	45 MB
L2 Cache	512K (per core)	2 MB (per core)+300%
Process	7 nm, 12 nm	Intel 7 nm
Architecture	Vermeer (Zen3) (2020−2022)	Sapphire Rapids (2023−2024)
PassMark	38,955	47,176+21%
Cinebench R23 Multi	21,000	—
Geekbench 6 Single	2,174	—
Geekbench 6 Multi	11,888	—

🧠

Memory & Platform

The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Xeon Gold 6444Y uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900X versus 5600 on the Xeon Gold 6444Y — the Xeon Gold 6444Y supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6444Y supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 5900X) vs 8 (Xeon Gold 6444Y). PCIe lanes: 24 (Ryzen 9 5900X) vs 80 (Xeon Gold 6444Y) — the Xeon Gold 6444Y offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and C741 (Xeon Gold 6444Y).

Feature	Ryzen 9 5900X	Xeon Gold 6444Y
Socket	AM4	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	5600+139900%
Max RAM Capacity	128 GB+3276700%	4096
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	24	80+233%

🔧

Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 6444Y supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5900X) vs VT-x, VT-d (Xeon Gold 6444Y). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Xeon Gold 6444Y rivals EPYC 9384X.

Feature	Ryzen 9 5900X	Xeon Gold 6444Y
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	AMD-V	VT-x, VT-d
Target Use	Workstation	—

💰

Value Analysis

The Ryzen 9 5900X launched at $549 MSRP, while the Xeon Gold 6444Y debuted at $3622. On MSRP ($549 vs $3622), the Ryzen 9 5900X is $3073 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 13.0 pts/$ for the Xeon Gold 6444Y — making the Ryzen 9 5900X the 138% better value option.