Core i5-6600K vs Xeon D-1622

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 i5-6600K vs Xeon D-1622 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 i5-6600K vs Xeon D-1622: Pros, Cons & Final Verdict

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

Core i5-6600K

2015

Why buy it

Trade-offs

❌Less compelling for workstation-style loads than Xeon D-1622, which brings 4 cores / 8 threads.
❌Lower PassMark per dollar, at 26.0 vs 31.8 PassMark/$ ($242 MSRP vs $195 MSRP).
❌127.5% higher power demand at 91W vs 40W.

Xeon D-1622

2019

Why buy it

✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.
✅Costs $47 less on MSRP ($195 MSRP vs $242 MSRP).
✅Delivers 22.2% more PassMark for each dollar spent, at 31.8 vs 26.0 PassMark/$ ($195 MSRP vs $242 MSRP).
✅Draws 40W instead of 91W, a 51W reduction.

Trade-offs

❌Lower PassMark (6,205 vs 6,301).

Quick Answers

So, is Core i5-6600K better than Xeon D-1622?

Not really, because they are built for different jobs. Xeon D-1622 makes more sense for workstation-style multi-core throughput, while Core i5-6600K 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 i5-6600K is the better pick. According to our tests, it delivers 2.8% 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 i5-6600K is the stronger fit. You are getting 1.5% better PassMark, backed by 4 cores and 4 threads.

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

Core i5-6600K is the easy recommendation for a fresh desktop build. Core i5-6600K comes in 24.1% more expensive on MSRP at $242 MSRP versus $195 MSRP, and it still gives you a 2.8% average FPS lead across 50 shared CPU game tests in our data. Xeon D-1622 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games.

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

Xeon D-1622 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2015). That makes it the safer long-term bet.

Core i5-6600K vs Xeon D-1622 Technical Specifications

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

Core i5-6600K

The Core i5-6600K is manufactured by Intel. It was released in 5 August 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 91 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 6,301 points. Launch price was $242.

Xeon D-1622

The Xeon D-1622 is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.6 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 40 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 6,205 points. Launch price was $170.

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Processing Power

The Core i5-6600K packs 4 cores / 4 threads, matching the Xeon D-1622's 4 cores. Boost clocks reach 3.9 GHz on the Core i5-6600K versus 3.2 GHz on the Xeon D-1622 — a 19.7% clock advantage for the Core i5-6600K (base: 3.5 GHz vs 2.6 GHz). The Core i5-6600K uses the Skylake (2015−2016) architecture (14 nm), while the Xeon D-1622 uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i5-6600K scores 6,301 against the Xeon D-1622's 6,205 — a 1.5% lead for the Core i5-6600K. L3 cache: 6 MB (total) on the Core i5-6600K vs 6 MB on the Xeon D-1622.

Feature	Core i5-6600K	Xeon D-1622
Cores / Threads	4 / 4	4 / 8
Boost Clock	3.9 GHz+22%	3.2 GHz
Base Clock	3.5 GHz+35%	2.6 GHz
L3 Cache	6 MB (total)	6 MB
L2 Cache	256 kB (per core)	1 MB+300%
Process	14 nm	14 nm
Architecture	Skylake (2015−2016)	Broadwell (2015−2019)
PassMark	6,301+2%	6,205

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Memory & Platform

The Core i5-6600K uses the LGA1151 socket (PCIe 3.0), while the Xeon D-1622 uses FCBGA1667 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i5-6600K	Xeon D-1622
Socket	LGA1151	FCBGA1667
PCIe Generation	PCIe 3.0	PCIe 3.0

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Value Analysis

At launch, the Core i5-6600K was priced at $242, while the Xeon D-1622 came in at $195. On launch pricing ($242 vs $195), Xeon D-1622 was $47 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-6600K delivers 26.0 pts/$ vs 31.8 pts/$ for the Xeon D-1622 — making the Xeon D-1622 the 20% better value option.

Feature	Core i5-6600K	Xeon D-1622
MSRP	$242	$195-19%
Performance per Dollar	26.0	31.8+22%
Release Date	2015	2019

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