Core i5-8600K vs Xeon E5-2687W

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 i5-8600K vs Xeon E5-2687W 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 i5-8600K vs Xeon E5-2687W: Pros, Cons & Final Verdict

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

Core i5-8600K

2017

Why buy it

✅+1% higher PassMark.
✅Costs $1,628 less on MSRP ($257 MSRP vs $1,885 MSRP).
✅Delivers 640.6% more PassMark for each dollar spent, at 39.4 vs 5.3 PassMark/$ ($257 MSRP vs $1,885 MSRP).
✅Draws 95W instead of 150W, a 55W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2687W across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (9 MB vs 20 MB).
❌Less compelling for workstation-style loads than Xeon E5-2687W, which brings 8 cores / 16 threads.

Xeon E5-2687W

2012

Why buy it

✅Better for gaming: +6.3% higher average FPS across 50 shared CPU benchmark tests.
✅+122.2% larger total L3 cache (20 MB vs 9 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.

Trade-offs

❌Lower PassMark (10,036 vs 10,134).
❌Lower PassMark per dollar, at 5.3 vs 39.4 PassMark/$ ($1,885 MSRP vs $257 MSRP).
❌57.9% higher power demand at 150W vs 95W.
❌No integrated graphics, while Core i5-8600K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-8600K better than Xeon E5-2687W?

Not really, because they are built for different jobs. Xeon E5-2687W makes more sense for workstation-style multi-core throughput, while Core i5-8600K 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, Core i5-8600K is the stronger fit. You are getting 1% better PassMark, backed by 6 cores and 6 threads.

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

Core i5-8600K is the better buy right now. Core i5-8600K comes in $1,628 cheaper on MSRP at $257 MSRP versus $1,885 MSRP, and it still gives you 1% better PassMark. The compromise is that Xeon E5-2687W is still the better pure gaming CPU with a 6.3% average FPS lead across 50 shared CPU game tests in our data. It is also 640.6% better value on MSRP (39.4 vs 5.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-8600K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2012) and more multi-core headroom with 6 cores / 6 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-8600K vs Xeon E5-2687W Technical Specifications

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

Core i5-8600K

The Core i5-8600K is manufactured by Intel. It was released in 5 October 2017 (8 years ago). It is based on the Coffee Lake-S (2017−2018) architecture. It features 6 cores and 6 threads. Base frequency is 3.6 GHz, with boost up to 4.3 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 10,134 points. Launch price was $257.

Xeon E5-2687W

The Xeon E5-2687W is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 8 cores and 16 threads. Base frequency is 3.1 GHz, with boost up to 3.8 GHz. L3 cache: 20480 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 150 Watt. Memory support: DDR3. Passmark benchmark score: 10,036 points. Launch price was $815.

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Processing Power

The Core i5-8600K packs 6 cores / 6 threads, while the Xeon E5-2687W offers 8 cores / 16 threads — the Xeon E5-2687W has 2 more cores. Boost clocks reach 4.3 GHz on the Core i5-8600K versus 3.8 GHz on the Xeon E5-2687W — a 12.3% clock advantage for the Core i5-8600K (base: 3.6 GHz vs 3.1 GHz). The Core i5-8600K uses the Coffee Lake-S (2017−2018) architecture (14 nm), while the Xeon E5-2687W uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the Core i5-8600K scores 10,134 against the Xeon E5-2687W's 10,036 — a 1% lead for the Core i5-8600K. L3 cache: 9 MB (total) on the Core i5-8600K vs 20480 kB (total) on the Xeon E5-2687W.

Feature	Core i5-8600K	Xeon E5-2687W
Cores / Threads	6 / 6	8 / 16+33%
Boost Clock	4.3 GHz+13%	3.8 GHz
Base Clock	3.6 GHz+16%	3.1 GHz
L3 Cache	9 MB (total)	20480 kB (total)+122%
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Coffee Lake-S (2017−2018)	Sandy Bridge-EP (2012)
PassMark	10,134	10,036
Geekbench 6 Single	1,550	—

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Memory & Platform

The Core i5-8600K uses the LGA1151 socket (PCIe 3.0), while the Xeon E5-2687W uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i5-8600K	Xeon E5-2687W
Socket	LGA1151	LGA2011
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i5-8600K) / not specified (Xeon E5-2687W). The Core i5-8600K includes integrated graphics (UHD Graphics 630), while the Xeon E5-2687W requires a dedicated GPU. Primary use case: Core i5-8600K targets Gaming Desktop. Direct competitor: Core i5-8600K rivals Ryzen 5 2600X.

Feature	Core i5-8600K	Xeon E5-2687W
Integrated GPU	Yes	—
IGPU Model	UHD Graphics 630	—
Unlocked	Yes	—
AVX-512	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Gaming Desktop	—

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Value Analysis

At launch, the Core i5-8600K was priced at $257, while the Xeon E5-2687W came in at $1885. On launch pricing ($257 vs $1885), Core i5-8600K was $1628 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-8600K delivers 39.4 pts/$ vs 5.3 pts/$ for the Xeon E5-2687W — making the Core i5-8600K the 152.4% better value option.

Feature	Core i5-8600K	Xeon E5-2687W
MSRP	$257-86%	$1885
Performance per Dollar	39.4+643%	5.3
Release Date	2017	2012

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