Core i9-11900KB vs Xeon W-1370

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 i9-11900KB vs Xeon W-1370 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 i9-11900KB vs Xeon W-1370: Pros, Cons & Final Verdict

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

Core i9-11900KB

2021

Why buy it

✅Better for gaming: +10.5% higher average FPS across 50 shared CPU benchmark tests.
✅+50% larger total L3 cache (24 MB vs 16 MB).
✅Draws 65W instead of 80W, a 15W reduction.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics, while Xeon W-1370 needs a discrete GPU.

Trade-offs

❌Lower PassMark (22,693 vs 22,948).
❌Lower PassMark per dollar, at 42.1 vs 71.0 PassMark/$ ($539 MSRP vs $323 MSRP).

Xeon W-1370

2021

Why buy it

✅+1.1% higher PassMark.
✅Costs $216 less on MSRP ($323 MSRP vs $539 MSRP).
✅Delivers 68.7% more PassMark for each dollar spent, at 71.0 vs 42.1 PassMark/$ ($323 MSRP vs $539 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-11900KB across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (16 MB vs 24 MB).
❌23.1% higher power demand at 80W vs 65W.
❌No integrated graphics, while Core i9-11900KB can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon W-1370 better than Core i9-11900KB?

Not really, because they are built for different jobs. Xeon W-1370 makes more sense for workstation-style multi-core throughput, while Core i9-11900KB is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Xeon W-1370 is the stronger fit. You are getting 1.1% better PassMark, backed by 8 cores and 16 threads.

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

Xeon W-1370 is the better buy right now. Xeon W-1370 comes in $216 cheaper on MSRP at $323 MSRP versus $539 MSRP, and it still gives you 1.1% better PassMark. The compromise is that Core i9-11900KB is still the better pure gaming CPU with a 10.5% average FPS lead across 50 shared CPU game tests in our data. It is also 68.7% better value on MSRP (71.0 vs 42.1 PassMark/$), 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 W-1370 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Core i9-11900KB vs Xeon W-1370 Technical Specifications

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

Core i9-11900KB

The Core i9-11900KB is manufactured by Intel. It was released in Maio 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 22,693 points. Launch price was $539.

Xeon W-1370

The Xeon W-1370 is manufactured by Intel. It was released in 6 May 2021 (4 years ago). It is based on the Rocket Lake-S (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.9 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 80 Watt. Memory support: DDR4-3200. Passmark benchmark score: 22,948 points. Launch price was $362.

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Processing Power

Both the Core i9-11900KB and Xeon W-1370 share an identical 8-core/16-thread configuration. Boost clocks reach 4.9 GHz on the Core i9-11900KB versus 5.1 GHz on the Xeon W-1370 — a 4% clock advantage for the Xeon W-1370 (base: 3.3 GHz vs 2.9 GHz). The Core i9-11900KB uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Xeon W-1370 uses Rocket Lake-S (2021) (14 nm). In PassMark, the Core i9-11900KB scores 22,693 against the Xeon W-1370's 22,948 — a 1.1% lead for the Xeon W-1370. L3 cache: 24 MB (total) on the Core i9-11900KB vs 16 MB (total) on the Xeon W-1370.

Feature	Core i9-11900KB	Xeon W-1370
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.9 GHz	5.1 GHz+4%
Base Clock	3.3 GHz+14%	2.9 GHz
L3 Cache	24 MB (total)+50%	16 MB (total)
L2 Cache	1.25 MB (per core)+150%	512 kB (per core)
Process	10 nm SuperFin-29%	14 nm
Architecture	Tiger Lake-H (2021)	Rocket Lake-S (2021)
PassMark	22,693	22,948+1%
Cinebench R23 Multi	12,264	—
Geekbench 6 Multi	10,645	—

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Memory & Platform

The Core i9-11900KB uses the FCBGA1787 socket (PCIe 3.0), while the Xeon W-1370 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i9-11900KB	Xeon W-1370
Socket	FCBGA1787	LGA1200
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-3200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i9-11900KB) / not specified (Xeon W-1370). The Core i9-11900KB includes integrated graphics (Intel UHD Graphics), while the Xeon W-1370 requires a dedicated GPU.

Feature	Core i9-11900KB	Xeon W-1370
Integrated GPU	Yes	—
IGPU Model	Intel UHD Graphics	—
Unlocked	Yes	—
AVX-512	Yes	—
Virtualization	VT-x, VT-d	—

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Value Analysis

At launch, the Core i9-11900KB was priced at $539, while the Xeon W-1370 came in at $323. On launch pricing ($539 vs $323), Xeon W-1370 was $216 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-11900KB delivers 42.1 pts/$ vs 71.0 pts/$ for the Xeon W-1370 — making the Xeon W-1370 the 51.2% better value option.

Feature	Core i9-11900KB	Xeon W-1370
MSRP	$539	$323-40%
Performance per Dollar	42.1	71.0+69%
Release Date	2021	2021

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