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 i5-10400F vs Xeon W-2191B 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 i5-10400F vs Xeon W-2191B: Pros, Cons & Final Verdict

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

Core i5-10400F

2020

Why buy it

✅Costs $1,173 less on MSRP ($160 MSRP vs $1,333 MSRP).
✅Delivers 282.7% more PassMark for each dollar spent, at 81.4 vs 21.3 PassMark/$ ($160 MSRP vs $1,333 MSRP).
✅Draws 65W instead of 140W, a 75W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon W-2191B.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-2191B across 50 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 28,362).
❌Smaller total L3 cache (12 MB vs 25 MB).
❌Less compelling for workstation-style loads than Xeon W-2191B, which brings 18 cores / 36 threads and 48 PCIe lanes.

Xeon W-2191B

2017

Why buy it

✅Better for gaming: +22.0% higher average FPS across 50 shared CPU benchmark tests.
✅+106.3% larger total L3 cache (25 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 18 cores / 36 threads, plus 48 PCIe lanes vs 16.
✅200% more PCIe lanes (48 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 21.3 vs 81.4 PassMark/$ ($1,333 MSRP vs $160 MSRP).
❌115.4% higher power demand at 140W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Xeon W-2191B better than Core i5-10400F?

Not really, because they are built for different jobs. Xeon W-2191B makes more sense for workstation-style multi-core throughput, while Core i5-10400F is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon W-2191B is the better pick. According to our tests, it delivers 22.0% 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, Xeon W-2191B is the stronger fit. You are getting 117.7% better PassMark, backed by 18 cores and 36 threads. It also has the larger cache pool with 106.3% larger total L3 cache (25 MB vs 12 MB).

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

Xeon W-2191B is still the faster CPU overall, but Core i5-10400F is easier to justify if budget matters more than peak performance. Xeon W-2191B comes in 733.1% more expensive on MSRP at $1,333 MSRP versus $160 MSRP, and it still gives you a 22.0% average FPS lead across 50 shared CPU game tests in our data. Core i5-10400F is also 282.7% better value on MSRP (81.4 vs 21.3 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core i5-10400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2017). That makes it the safer long-term bet.

Core i5-10400F vs Xeon W-2191B Technical Specifications

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

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

Xeon W-2191B

The Xeon W-2191B is manufactured by Intel. It was released in 2015-01-01. It is based on the Skylake (server) (2017−2018) architecture. It features 18 cores and 36 threads. Base frequency is 2.3 GHz, with boost up to 4.3 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): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 28,362 points. Launch price was $800.

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Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Xeon W-2191B offers 18 cores / 36 threads — the Xeon W-2191B has 12 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 4.3 GHz on the Xeon W-2191B — identical boost frequencies (base: 2.9 GHz vs 2.3 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon W-2191B uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i5-10400F scores 13,029 against the Xeon W-2191B's 28,362 — a 74.1% lead for the Xeon W-2191B. L3 cache: 12 MB (total) on the Core i5-10400F vs 24.75 MB (total) on the Xeon W-2191B.

Feature	Core i5-10400F	Xeon W-2191B
Cores / Threads	6 / 12	18 / 36+200%
Boost Clock	4.3 GHz	4.3 GHz
Base Clock	2.9 GHz+26%	2.3 GHz
L3 Cache	12 MB (total)	24.75 MB (total)+106%
L2 Cache	256K (per core)+25500%	1 MB (per core)
Process	14 nm	14 nm
Architecture	Comet Lake (2020−2025)	Skylake (server) (2017−2018)
PassMark	13,029	28,362+118%
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	—
Geekbench 6 Multi	5,783	—

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Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Xeon W-2191B uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. The Xeon W-2191B supports up to 512 GB of RAM compared to 128 GB — 300% more capacity for professional workloads. Memory channels: 2 (Core i5-10400F) vs 4 (Xeon W-2191B). PCIe lanes: 16 (Core i5-10400F) vs 48 (Xeon W-2191B) — the Xeon W-2191B offers 32 more lanes for additional GPUs or NVMe drives.

Feature	Core i5-10400F	Xeon W-2191B
Socket	LGA1200	LGA2066
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	DDR4-2666
Max RAM Capacity	128 GB	512 GB+300%
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	16	48+200%

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Advanced Features

Neither processor supports overclocking. Only the Xeon W-2191B supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Core i5-10400F targets Gaming, Xeon W-2191B targets Workstation. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

Feature	Core i5-10400F	Xeon W-2191B
Integrated GPU	No	No
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Gaming	Workstation

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Value Analysis

At launch, the Core i5-10400F was priced at $160, while the Xeon W-2191B came in at $1333. On launch pricing ($160 vs $1333), Core i5-10400F was $1173 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 21.3 pts/$ for the Xeon W-2191B — making the Core i5-10400F the 117.1% better value option.

Feature	Core i5-10400F	Xeon W-2191B
MSRP	$160-88%	$1333
Performance per Dollar	81.4+282%	21.3
Release Date	2020	2017

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