Core i7-7820X vs Xeon W-2140B

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 i7-7820X vs Xeon W-2140B 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 i7-7820X vs Xeon W-2140B: Pros, Cons & Final Verdict

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

Core i7-7820X

2017

Why buy it

✅Better for gaming: +10.1% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (17,171 vs 17,319).
❌Lower PassMark per dollar, at 28.7 vs 58.9 PassMark/$ ($599 MSRP vs $294 MSRP).
❌16.7% higher power demand at 140W vs 120W.

Xeon W-2140B

2017

Why buy it

✅+0.9% higher PassMark.
✅Costs $305 less on MSRP ($294 MSRP vs $599 MSRP).
✅Delivers 105.5% more PassMark for each dollar spent, at 58.9 vs 28.7 PassMark/$ ($294 MSRP vs $599 MSRP).
✅Draws 120W instead of 140W, a 20W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-7820X across 50 shared CPU benchmark tests.

Quick Answers

So, is Xeon W-2140B better than Core i7-7820X?

Not really, because they are built for different jobs. Xeon W-2140B makes more sense for workstation-style multi-core throughput, while Core i7-7820X 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-2140B is the stronger fit. You are getting 0.9% better PassMark, backed by 8 cores and 16 threads.

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

Xeon W-2140B is the better buy right now. Xeon W-2140B comes in $305 cheaper on MSRP at $294 MSRP versus $599 MSRP, and it still gives you 0.9% better PassMark. The compromise is that Core i7-7820X is still the better pure gaming CPU with a 10.1% average FPS lead across 50 shared CPU game tests in our data. It is also 105.5% better value on MSRP (58.9 vs 28.7 PassMark/$), 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-2140B makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 8 cores / 16 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-7820X vs Xeon W-2140B Technical Specifications

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

Core i7-7820X

The Core i7-7820X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.5 GHz. L3 cache: 11 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: 17,171 points. Launch price was $599.

Xeon W-2140B

The Xeon W-2140B is manufactured by Intel. It was released in 2015-01-01. It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4.2 GHz. L3 cache: 11 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 120 Watt. Memory support: DDR4-2666. Passmark benchmark score: 17,319 points. Launch price was $800.

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Processing Power

Both the Core i7-7820X and Xeon W-2140B share an identical 8-core/16-thread configuration. Boost clocks reach 4.5 GHz on the Core i7-7820X versus 4.2 GHz on the Xeon W-2140B — a 6.9% clock advantage for the Core i7-7820X (base: 3.6 GHz vs 3.2 GHz). Both are built on the Skylake (server) (2017−2018) architecture using a 14 nm process. In PassMark, the Core i7-7820X scores 17,171 against the Xeon W-2140B's 17,319 — a 0.9% lead for the Xeon W-2140B. Both processors carry 11 MB (total) of L3 cache.

Feature	Core i7-7820X	Xeon W-2140B
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.5 GHz+7%	4.2 GHz
Base Clock	3.6 GHz+12%	3.2 GHz
L3 Cache	11 MB (total)	11 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	14 nm	14 nm
Architecture	Skylake (server) (2017−2018)	Skylake (server) (2017−2018)
PassMark	17,171	17,319

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Memory & Platform

Both processors use the LGA2066 socket with PCIe 3.0.

Feature	Core i7-7820X	Xeon W-2140B
Socket	LGA2066	LGA2066
PCIe Generation	PCIe 3.0	PCIe 3.0

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Value Analysis

At launch, the Core i7-7820X was priced at $599, while the Xeon W-2140B came in at $294. On launch pricing ($599 vs $294), Xeon W-2140B was $305 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-7820X delivers 28.7 pts/$ vs 58.9 pts/$ for the Xeon W-2140B — making the Xeon W-2140B the 69.1% better value option.

Feature	Core i7-7820X	Xeon W-2140B
MSRP	$599	$294-51%
Performance per Dollar	28.7	58.9+105%
Release Date	2017	2017

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