Core i7-7820HK vs Xeon E3-1565L v5

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 i7-7820HK vs Xeon E3-1565L v5 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 i7-7820HK vs Xeon E3-1565L v5: Pros, Cons & Final Verdict

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

Core i7-7820HK

2017

Why buy it

✅Better for gaming: +4.9% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $1,174 less on MSRP ($378 MSRP vs $1,552 MSRP).
✅Delivers 314.6% more PassMark for each dollar spent, at 19.6 vs 4.7 PassMark/$ ($378 MSRP vs $1,552 MSRP).

Trade-offs

❌28.6% higher power demand at 45W vs 35W.

Xeon E3-1565L v5

2016

Why buy it

✅Draws 35W instead of 45W, a 10W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-7820HK across 50 shared CPU benchmark tests.
❌Lower PassMark (7,325 vs 7,397).
❌Lower PassMark per dollar, at 4.7 vs 19.6 PassMark/$ ($1,552 MSRP vs $378 MSRP).

Quick Answers

So, is Core i7-7820HK better than Xeon E3-1565L v5?

Not really, because they are built for different jobs. Xeon E3-1565L v5 makes more sense for workstation-style multi-core throughput, while Core i7-7820HK 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 i7-7820HK is the better pick. According to our tests, it delivers 4.9% 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 i7-7820HK is the stronger fit. You are getting 1% better PassMark, backed by 4 cores and 8 threads.

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

Core i7-7820HK is the better buy right now. Core i7-7820HK comes in $1,174 cheaper on MSRP at $378 MSRP versus $1,552 MSRP, and it still gives you a 4.9% average FPS lead across 50 shared CPU game tests in our data. It is also 314.6% better value on MSRP (19.6 vs 4.7 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i7-7820HK makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2016) and more multi-core headroom with 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-7820HK vs Xeon E3-1565L v5 Technical Specifications

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

Core i7-7820HK

The Core i7-7820HK is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake-H (2017) architecture. It features 4 cores and 8 threads. Base frequency is 2.9 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 7,397 points. Launch price was $378.

Xeon E3-1565L v5

The Xeon E3-1565L v5 is manufactured by Intel. It was released in 31 May 2016 (9 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 3.5 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 35 Watt. Memory support: DDR3L,LPDDR3 1600 MHz, DDR4 2133 MHz at 1.2V. Passmark benchmark score: 7,325 points. Launch price was $417.

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Processing Power

Both the Core i7-7820HK and Xeon E3-1565L v5 share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Core i7-7820HK versus 3.5 GHz on the Xeon E3-1565L v5 — a 10.8% clock advantage for the Core i7-7820HK (base: 2.9 GHz vs 2.5 GHz). The Core i7-7820HK uses the Kaby Lake-H (2017) architecture (14 nm), while the Xeon E3-1565L v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Core i7-7820HK scores 7,397 against the Xeon E3-1565L v5's 7,325 — a 1% lead for the Core i7-7820HK. Both processors carry 8 MB (total) of L3 cache.

Feature	Core i7-7820HK	Xeon E3-1565L v5
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.9 GHz+11%	3.5 GHz
Base Clock	2.9 GHz+16%	2.5 GHz
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Kaby Lake-H (2017)	Skylake-H (2015−2016)
PassMark	7,397	7,325

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Memory & Platform

Both processors use the BGA1440 socket with PCIe 3.0.

Feature	Core i7-7820HK	Xeon E3-1565L v5
Socket	BGA1440	BGA1440
PCIe Generation	PCIe 3.0	PCIe 5.0+67%

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Value Analysis

At launch, the Core i7-7820HK was priced at $378, while the Xeon E3-1565L v5 came in at $1552. On launch pricing ($378 vs $1552), Core i7-7820HK was $1174 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-7820HK delivers 19.6 pts/$ vs 4.7 pts/$ for the Xeon E3-1565L v5 — making the Core i7-7820HK the 122.3% better value option.

Feature	Core i7-7820HK	Xeon E3-1565L v5
MSRP	$378-76%	$1552
Performance per Dollar	19.6+317%	4.7
Release Date	2017	2016

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