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.

Core i9-9980XE vs Xeon Silver 4510T FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i9-9980XE vs Xeon Silver 4510T: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-9980XE

2018

Why buy it

✅Better for gaming: +12.8% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Smaller total L3 cache (25 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon Silver 4510T, which brings 12 cores / 24 threads and 80 PCIe lanes.
❌Launch MSRP is still $1,979 MSRP, while Xeon Silver 4510T mostly shows up through inconsistent older-market listings.
❌43.5% higher power demand at 165W vs 115W.
❌Older platform position on LGA2066 with DDR4, while Xeon Silver 4510T moves to LGA4677 and DDR5.

Xeon Silver 4510T

2023

Why buy it

✅+21.2% larger total L3 cache (30 MB vs 25 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 80 PCIe lanes vs 44.
✅Draws 115W instead of 165W, a 50W reduction.
✅Newer platform on LGA4677 with DDR5 support instead of LGA2066 and DDR4.
✅81.8% more PCIe lanes (80 vs 44) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-9980XE across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (16,000 vs 22,000).

Quick Answers

So, is Core i9-9980XE better than Xeon Silver 4510T?

Not really, because they are built for different jobs. Xeon Silver 4510T makes more sense for workstation-style multi-core throughput, while Core i9-9980XE is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i9-9980XE is the better pick. According to our tests, it delivers 12.8% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i9-9980XE is the stronger fit. You are getting 37.5% better Cinebench R23 multi-core, backed by 18 cores and 36 threads.

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

Core i9-9980XE is the better buy right now. Core i9-9980XE comes in at an unclear MSRP at $1,979 MSRP versus unclear MSRP, and it still gives you a 12.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (14.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon Silver 4510T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2018), a healthier platform with LGA4677 and DDR5 instead of LGA2066, and 21.2% larger total L3 cache (30 MB vs 25 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-9980XE vs Xeon Silver 4510T Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-9980XE

The Core i9-9980XE is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 18 cores and 36 threads. Base frequency is 3 GHz, with boost up to 4.5 GHz. L3 cache: 24.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4. Passmark benchmark score: 29,127 points. Launch price was $1,979.

Xeon Silver 4510T

The Xeon Silver 4510T is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 12 cores and 24 threads. Base frequency is 2 GHz, with boost up to 3.7 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): 115 Watt. Memory support: DDR5 @ 4400 MT/s (1 DPC &2DPC). Passmark benchmark score: 29,119 points. Launch price was $624.

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Processing Power

The Core i9-9980XE packs 18 cores / 36 threads, while the Xeon Silver 4510T offers 12 cores / 24 threads — the Core i9-9980XE has 6 more cores. Boost clocks reach 4.5 GHz on the Core i9-9980XE versus 3.7 GHz on the Xeon Silver 4510T — a 19.5% clock advantage for the Core i9-9980XE (base: 3 GHz vs 2 GHz). The Core i9-9980XE uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon Silver 4510T uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core i9-9980XE scores 29,127 against the Xeon Silver 4510T's 29,119 — a 0% lead for the Core i9-9980XE. Cinebench R23 multi-core: 22,000 vs 16,000 (31.6% advantage for the Core i9-9980XE). Geekbench 6 single-core — the metric most relevant to gaming — records 1,459 vs 1,800, a 20.9% lead for the Xeon Silver 4510T that directly translates to higher frame rates. Multi-core Geekbench: 12,177 vs 11,000 (10.2% advantage for the Core i9-9980XE). L3 cache: 24.75 MB (total) on the Core i9-9980XE vs 30 MB (total) on the Xeon Silver 4510T.

Feature	Core i9-9980XE	Xeon Silver 4510T
Cores / Threads	18 / 36+50%	12 / 24
Boost Clock	4.5 GHz+22%	3.7 GHz
Base Clock	3 GHz+50%	2 GHz
L3 Cache	24.75 MB (total)	30 MB (total)+21%
L2 Cache	1 MB (per core)	2 MB (per core)+100%
Process	14 nm	Intel 7 nm-50%
Architecture	Skylake (server) (2017−2018)	Sapphire Rapids (2023−2024)
PassMark	29,127	29,119
Cinebench R23 Multi	22,000+38%	16,000
Geekbench 6 Single	1,459	1,800+23%
Geekbench 6 Multi	12,177+11%	11,000

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Memory & Platform

The Core i9-9980XE uses the LGA2066 socket (PCIe 3.0), while the Xeon Silver 4510T uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i9-9980XE versus DDR5-4400 on the Xeon Silver 4510T — the Xeon Silver 4510T supports 65% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Silver 4510T supports up to 4096 GB of RAM compared to 128 GB — 3100% more capacity for professional workloads. Memory channels: 4 (Core i9-9980XE) vs 8 (Xeon Silver 4510T). PCIe lanes: 44 (Core i9-9980XE) vs 80 (Xeon Silver 4510T) — the Xeon Silver 4510T offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X299 (Core i9-9980XE) and C741 (Xeon Silver 4510T).

Feature	Core i9-9980XE	Xeon Silver 4510T
Socket	LGA2066	LGA4677
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR5-4400+65%
Max RAM Capacity	128 GB	4096 GB+3100%
RAM Channels	4	8+100%
ECC Support	No	Yes
PCIe Lanes	44	80+82%

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Advanced Features

Only the Core i9-9980XE has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i9-9980XE) vs VT-x, VT-d, EPT (Xeon Silver 4510T). Primary use case: Core i9-9980XE targets HEDT / Workstation / Content Creation, Xeon Silver 4510T targets Enterprise Storage / Edge Computing. Direct competitor: Core i9-9980XE rivals Ryzen Threadripper 2950X; Xeon Silver 4510T rivals EPYC 8124.

Feature	Core i9-9980XE	Xeon Silver 4510T
Integrated GPU	No	No
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d, EPT
Target Use	HEDT / Workstation / Content Creation	Enterprise Storage / Edge Computing