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: +9.8% higher average FPS across 50 shared CPU benchmark tests.
✅+21.9% larger total L3 cache (64 MB vs 53 MB).
✅Costs $1,440 less on MSRP ($549 MSRP vs $1,989 MSRP).
✅Delivers 188.1% more PassMark for each dollar spent, at 71.0 vs 24.6 PassMark/$ ($549 MSRP vs $1,989 MSRP).
✅Draws 105W instead of 270W, a 165W reduction.

Trade-offs

❌Lower PassMark (38,955 vs 48,991).
❌Less compelling for workstation-style loads than Xeon w7-3445, which brings 20 cores / 40 threads and 112 PCIe lanes.
❌Older platform position on AM4 with DDR4, while Xeon w7-3445 moves to LGA4677 and DDR5.

Xeon w7-3445

2023

Why buy it

✅+25.8% higher PassMark.
✅Better for workstations and heavier parallel workloads: 20 cores / 40 threads, plus 112 PCIe lanes vs 24.
✅Newer platform on LGA4677 with DDR5 support instead of AM4 and DDR4.
✅366.7% more PCIe lanes (112 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (53 MB vs 64 MB).
❌Lower PassMark per dollar, at 24.6 vs 71.0 PassMark/$ ($1,989 MSRP vs $549 MSRP).
❌157.1% higher power demand at 270W vs 105W.

Ryzen 9 5900X

2020

Xeon w7-3445

2023

Why buy it

✅Better for gaming: +9.8% higher average FPS across 50 shared CPU benchmark tests.
✅+21.9% larger total L3 cache (64 MB vs 53 MB).
✅Costs $1,440 less on MSRP ($549 MSRP vs $1,989 MSRP).
✅Delivers 188.1% more PassMark for each dollar spent, at 71.0 vs 24.6 PassMark/$ ($549 MSRP vs $1,989 MSRP).
✅Draws 105W instead of 270W, a 165W reduction.

Why buy it

✅+25.8% higher PassMark.
✅Better for workstations and heavier parallel workloads: 20 cores / 40 threads, plus 112 PCIe lanes vs 24.
✅Newer platform on LGA4677 with DDR5 support instead of AM4 and DDR4.
✅366.7% more PCIe lanes (112 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (38,955 vs 48,991).
❌Less compelling for workstation-style loads than Xeon w7-3445, which brings 20 cores / 40 threads and 112 PCIe lanes.
❌Older platform position on AM4 with DDR4, while Xeon w7-3445 moves to LGA4677 and DDR5.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (53 MB vs 64 MB).
❌Lower PassMark per dollar, at 24.6 vs 71.0 PassMark/$ ($1,989 MSRP vs $549 MSRP).
❌157.1% higher power demand at 270W vs 105W.

Quick Answers

So, is Ryzen 9 5900X better than Xeon w7-3445?

Not in a simple one-size-fits-all way. Xeon w7-3445 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 w7-3445 is the better fit. You are getting 25.8% better PassMark, backed by 20 cores and 40 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 $1,440 cheaper on MSRP at $549 MSRP versus $1,989 MSRP, and it gives you a 9.8% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Xeon w7-3445 is still stronger for heavier multi-core work with 25.8% better PassMark. It is also 188.1% better value on MSRP (71.0 vs 24.6 PassMark/$), 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 w7-3445 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 20 cores / 40 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 w7-3445 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Xeon w7-3445
1080p
low	323 FPS	311 FPS
medium	291 FPS	301 FPS
high	243 FPS	242 FPS
ultra	193 FPS	203 FPS
1440p
low	307 FPS	270 FPS
medium	248 FPS	233 FPS
high	192 FPS	175 FPS
ultra	157 FPS	154 FPS
4K
low	193 FPS	183 FPS
medium	156 FPS	157 FPS
high	115 FPS	118 FPS
ultra	103 FPS	106 FPS

Open Ryzen 9 5900X Open Xeon w7-3445

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Xeon w7-3445
1080p
low	772 FPS	677 FPS
medium	647 FPS	587 FPS
high	508 FPS	477 FPS
ultra	450 FPS	423 FPS
1440p
low	619 FPS	547 FPS
medium	536 FPS	484 FPS
high	443 FPS	411 FPS
ultra	364 FPS	338 FPS
4K
low	365 FPS	322 FPS
medium	318 FPS	285 FPS
high	289 FPS	264 FPS
ultra	255 FPS	232 FPS

Open Ryzen 9 5900X Open Xeon w7-3445

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Xeon w7-3445
1080p
low	832 FPS	1025 FPS
medium	645 FPS	1045 FPS
high	558 FPS	967 FPS
ultra	459 FPS	829 FPS
1440p
low	721 FPS	994 FPS
medium	565 FPS	880 FPS
high	488 FPS	798 FPS
ultra	407 FPS	656 FPS
4K
low	511 FPS	593 FPS
medium	421 FPS	511 FPS
high	374 FPS	458 FPS
ultra	308 FPS	395 FPS

Open Ryzen 9 5900X Open Xeon w7-3445

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Xeon w7-3445
1080p
low	974 FPS	1225 FPS
medium	974 FPS	1015 FPS
high	934 FPS	981 FPS
ultra	826 FPS	851 FPS
1440p
low	959 FPS	1044 FPS
medium	843 FPS	903 FPS
high	726 FPS	779 FPS
ultra	617 FPS	656 FPS
4K
low	694 FPS	777 FPS
medium	621 FPS	676 FPS
high	541 FPS	583 FPS
ultra	437 FPS	437 FPS

Open Ryzen 9 5900X Open Xeon w7-3445

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Xeon w7-3445

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 w7-3445

The Xeon w7-3445 is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 20 cores and 40 threads. Base frequency is 2.6 GHz, with boost up to 4.8 GHz. L3 cache: 52.5 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. Passmark benchmark score: 48,991 points. Launch price was $1,989.

⚡

Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Xeon w7-3445 offers 20 cores / 40 threads — the Xeon w7-3445 has 8 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 4.8 GHz on the Xeon w7-3445 — identical boost frequencies (base: 3.7 GHz vs 2.6 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Xeon w7-3445 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Xeon w7-3445's 48,991 — a 22.8% lead for the Xeon w7-3445. L3 cache: 64 MB on the Ryzen 9 5900X vs 52.5 MB on the Xeon w7-3445.

Feature	Ryzen 9 5900X	Xeon w7-3445
Cores / Threads	12 / 24	20 / 40+67%
Boost Clock	4.8 GHz	4.8 GHz
Base Clock	3.7 GHz+42%	2.6 GHz
L3 Cache	64 MB+22%	52.5 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	48,991+26%
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 w7-3445 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900X versus 4800 on the Xeon w7-3445 — the Xeon w7-3445 supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w7-3445 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 w7-3445). PCIe lanes: 24 (Ryzen 9 5900X) vs 112 (Xeon w7-3445) — the Xeon w7-3445 offers 88 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and W790 (Xeon w7-3445).

Feature	Ryzen 9 5900X	Xeon w7-3445
Socket	AM4	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	4800+119900%
Max RAM Capacity	128 GB+3276700%	4096
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	24	112+367%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Xeon w7-3445 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5900X) vs VT-x, VT-d (Xeon w7-3445). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Xeon w7-3445 rivals Threadripper PRO 7965WX.

Feature	Ryzen 9 5900X	Xeon w7-3445
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	Yes	Yes
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 w7-3445 debuted at $1989. On MSRP ($549 vs $1989), the Ryzen 9 5900X is $1440 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 24.6 pts/$ for the Xeon w7-3445 — making the Ryzen 9 5900X the 96.9% better value option.