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 3900

2019

Why buy it

✅Better for gaming: +14.1% higher average FPS across 27 shared CPU benchmark tests.
✅+113.3% larger total L3 cache (64 MB vs 30 MB).
✅Draws 65W instead of 150W, a 85W reduction.
✅Includes a boxed cooler (Wraith Prism), unlike Xeon Silver 4514Y.

Trade-offs

❌Lower Cinebench R23 multi-core (17,700 vs 22,000).
❌Less compelling for workstation-style loads than Xeon Silver 4514Y, which brings 16 cores / 32 threads and 80 PCIe lanes.
❌Launch MSRP is still $499 MSRP, while Xeon Silver 4514Y mostly shows up through inconsistent older-market listings.
❌Older platform position on AM4 with DDR4, while Xeon Silver 4514Y moves to LGA4677 and DDR5.

Xeon Silver 4514Y

2023

Why buy it

✅+24.3% higher Cinebench R23 multi-core.
✅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 3900 across 27 shared CPU benchmark tests.
❌Smaller total L3 cache (30 MB vs 64 MB).
❌130.8% higher power demand at 150W vs 65W.
❌No boxed cooler included, unlike Ryzen 9 3900.

Ryzen 9 3900

2019

Xeon Silver 4514Y

2023

Why buy it

✅Better for gaming: +14.1% higher average FPS across 27 shared CPU benchmark tests.
✅+113.3% larger total L3 cache (64 MB vs 30 MB).
✅Draws 65W instead of 150W, a 85W reduction.
✅Includes a boxed cooler (Wraith Prism), unlike Xeon Silver 4514Y.

Why buy it

✅+24.3% higher Cinebench R23 multi-core.
✅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 Cinebench R23 multi-core (17,700 vs 22,000).
❌Less compelling for workstation-style loads than Xeon Silver 4514Y, which brings 16 cores / 32 threads and 80 PCIe lanes.
❌Launch MSRP is still $499 MSRP, while Xeon Silver 4514Y mostly shows up through inconsistent older-market listings.
❌Older platform position on AM4 with DDR4, while Xeon Silver 4514Y moves to LGA4677 and DDR5.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900 across 27 shared CPU benchmark tests.
❌Smaller total L3 cache (30 MB vs 64 MB).
❌130.8% higher power demand at 150W vs 65W.
❌No boxed cooler included, unlike Ryzen 9 3900.

Quick Answers

So, is Ryzen 9 3900 better than Xeon Silver 4514Y?

Not in a simple one-size-fits-all way. Xeon Silver 4514Y makes more sense for workstation-style multi-core throughput, while Ryzen 9 3900 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 Silver 4514Y is the better fit. You are getting 24.3% better Cinebench R23 multi-core, backed by 16 cores and 32 threads.

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

Ryzen 9 3900 is the smarter buy today. Ryzen 9 3900 is at an unclear MSRP at $499 MSRP versus unclear MSRP, and it gives you a 14.1% average FPS lead across 27 shared CPU game tests in our data. The trade-off is that Xeon Silver 4514Y is still stronger for heavier multi-core work with 24.3% better Cinebench R23 multi-core. It is also 100.0% better value on MSRP (61.3 vs 0.0 PassMark/$), 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 Silver 4514Y is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), 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 3900 Benchmark Check

Xeon Silver 4514Y Benchmark Check

Path of Exile 2

Preset	Ryzen 9 3900	Xeon Silver 4514Y
1080p
low	159 FPS	165 FPS
medium	130 FPS	144 FPS
high	111 FPS	114 FPS
ultra	92 FPS	92 FPS
1440p
low	144 FPS	136 FPS
medium	115 FPS	116 FPS
high	94 FPS	90 FPS
ultra	78 FPS	73 FPS
4K
low	78 FPS	63 FPS
medium	67 FPS	57 FPS
high	53 FPS	44 FPS
ultra	43 FPS	35 FPS

Open Ryzen 9 3900 Open Xeon Silver 4514Y

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 3900	Xeon Silver 4514Y
1080p
low	534 FPS	217 FPS
medium	470 FPS	194 FPS
high	384 FPS	164 FPS
ultra	342 FPS	135 FPS
1440p
low	460 FPS	183 FPS
medium	411 FPS	169 FPS
high	347 FPS	146 FPS
ultra	289 FPS	118 FPS
4K
low	288 FPS	119 FPS
medium	261 FPS	111 FPS
high	238 FPS	97 FPS
ultra	213 FPS	78 FPS

Open Ryzen 9 3900 Open Xeon Silver 4514Y

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 3900	Xeon Silver 4514Y
1080p
low	709 FPS	766 FPS
medium	589 FPS	694 FPS
high	536 FPS	662 FPS
ultra	472 FPS	587 FPS
1440p
low	541 FPS	686 FPS
medium	448 FPS	604 FPS
high	401 FPS	573 FPS
ultra	347 FPS	510 FPS
4K
low	394 FPS	464 FPS
medium	315 FPS	376 FPS
high	279 FPS	342 FPS
ultra	224 FPS	283 FPS

Open Ryzen 9 3900 Open Xeon Silver 4514Y

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 3900	Xeon Silver 4514Y
1080p
low	765 FPS	766 FPS
medium	765 FPS	751 FPS
high	711 FPS	648 FPS
ultra	638 FPS	553 FPS
1440p
low	725 FPS	691 FPS
medium	644 FPS	606 FPS
high	553 FPS	521 FPS
ultra	486 FPS	441 FPS
4K
low	516 FPS	478 FPS
medium	469 FPS	434 FPS
high	411 FPS	388 FPS
ultra	360 FPS	334 FPS

Open Ryzen 9 3900 Open Xeon Silver 4514Y

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 3900 and Xeon Silver 4514Y

Ryzen 9 3900

The Ryzen 9 3900 is manufactured by AMD. It was released in 24 September 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 30,588 points. Launch price was $499.

Xeon Silver 4514Y

The Xeon Silver 4514Y is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 16 cores and 32 threads. Base frequency is 2 GHz, with boost up to 3.4 GHz. L3 cache: 30 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 150 Watt. Memory support: DDR5-4400. Passmark benchmark score: 30,621 points. Launch price was $780.

⚡

Processing Power

The Ryzen 9 3900 packs 12 cores / 24 threads, while the Xeon Silver 4514Y offers 16 cores / 32 threads — the Xeon Silver 4514Y has 4 more cores. Boost clocks reach 4.3 GHz on the Ryzen 9 3900 versus 3.4 GHz on the Xeon Silver 4514Y — a 23.4% clock advantage for the Ryzen 9 3900 (base: 3.1 GHz vs 2 GHz). The Ryzen 9 3900 uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Xeon Silver 4514Y uses Emerald Rapids (2023) (Intel 7 nm). In PassMark, the Ryzen 9 3900 scores 30,588 against the Xeon Silver 4514Y's 30,621 — a 0.1% lead for the Xeon Silver 4514Y. Cinebench R23 multi-core: 17,700 vs 22,000 (21.7% advantage for the Xeon Silver 4514Y). Geekbench 6 single-core — the metric most relevant to gaming — records 1,713 vs 2,100, a 20.3% lead for the Xeon Silver 4514Y that directly translates to higher frame rates. Multi-core Geekbench: 10,983 vs 14,000 (24.2% advantage for the Xeon Silver 4514Y). L3 cache: 64 MB on the Ryzen 9 3900 vs 30 MB (total) on the Xeon Silver 4514Y.

Feature	Ryzen 9 3900	Xeon Silver 4514Y
Cores / Threads	12 / 24	16 / 32+33%
Boost Clock	4.3 GHz+26%	3.4 GHz
Base Clock	3.1 GHz+55%	2 GHz
L3 Cache	64 MB+113%	30 MB (total)
L2 Cache	512 kB (per core)	2 MB (per core)+300%
Process	7 nm, 12 nm	Intel 7 nm
Architecture	Matisse (Zen 2) (2019−2020)	Emerald Rapids (2023)
PassMark	30,588	30,621
Cinebench R23 Multi	17,700	22,000+24%
Geekbench 6 Single	1,713	2,100+23%
Geekbench 6 Multi	10,983	14,000+27%

🧠

Memory & Platform

The Ryzen 9 3900 uses the AM4 socket (PCIe 4.0), while the Xeon Silver 4514Y uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 3900 versus DDR5-4400 on the Xeon Silver 4514Y — the Xeon Silver 4514Y supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Silver 4514Y supports up to 4096 GB of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 3900) vs 8 (Xeon Silver 4514Y). PCIe lanes: 24 (Ryzen 9 3900) vs 80 (Xeon Silver 4514Y) — the Xeon Silver 4514Y offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,X470,B450 (Ryzen 9 3900) and C741 (Xeon Silver 4514Y).

Feature	Ryzen 9 3900	Xeon Silver 4514Y
Socket	AM4	LGA4677
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR5-4400+25%
Max RAM Capacity	128 GB	4096 GB+3100%
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	24	80+233%

🔧

Advanced Features

Only the Ryzen 9 3900 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Silver 4514Y supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 3900) vs VT-x, VT-d, EPT (Xeon Silver 4514Y). Primary use case: Ryzen 9 3900 targets Workstation Desktop (low power), Xeon Silver 4514Y targets Mainstream Server / Virtualization. Direct competitor: Ryzen 9 3900 rivals Core i9-9900; Xeon Silver 4514Y rivals EPYC 8212.

Feature	Ryzen 9 3900	Xeon Silver 4514Y
Integrated GPU	No	No
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	AMD-V	VT-x, VT-d, EPT
Target Use	Workstation Desktop (low power)	Mainstream Server / Virtualization