Core i7-5820K vs Ryzen 5 3600

CPU

GPU

Core i7-5820K

6 Cores12 Thrd140 WWMax: 3.6 GHz2014

Similar parts

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Ryzen 5 3600

6 Cores12 Thrd65 WWMax: 4.2 GHz2019

Ryzen family

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Core i7-5820K vs Ryzen 5 3600 Performance Spectrum

Core i7-5820K

6 / 12

9,826

0.0%

17,685

+80.0%

Ryzen Threadripper 9960X

About PassMark

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 i7-5820K vs Ryzen 5 3600 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 i7-5820K vs Ryzen 5 3600: Pros, Cons & Final Verdict

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

Core i7-5820K

2014

Why buy it

✅16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 3600 across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (5,700 vs 9,500).
❌Smaller total L3 cache (15 MB vs 32 MB).
❌Lower PassMark per dollar, at 25.3 vs 88.9 PassMark/$ ($389 MSRP vs $199 MSRP).
❌115.4% higher power demand at 140W vs 65W.

Ryzen 5 3600

2019

Why buy it

✅Better for gaming: +39.8% higher average FPS across 50 shared CPU benchmark tests.
✅+113.3% larger total L3 cache (32 MB vs 15 MB).
✅Costs $190 less on MSRP ($199 MSRP vs $389 MSRP).
✅Delivers 251.8% more PassMark for each dollar spent, at 88.9 vs 25.3 PassMark/$ ($199 MSRP vs $389 MSRP).
✅Draws 65W instead of 140W, a 75W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Ryzen 5 3600 better than Core i7-5820K?

Yes. Ryzen 5 3600 is the better all-around CPU here. It gives you a 39.8% average FPS lead across 50 shared CPU game tests in our data, 66.7% better Cinebench R23 multi-core, 80.0% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 5 3600 is the better pick. According to our tests, it delivers 39.8% 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, Ryzen 5 3600 is the stronger fit. You are getting 66.7% better Cinebench R23 multi-core, backed by 6 cores and 12 threads. It also has the larger cache pool with 113.3% larger total L3 cache (32 MB vs 15 MB).

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

Ryzen 5 3600 is the better buy right now. Ryzen 5 3600 comes in $190 cheaper on MSRP at $199 MSRP versus $389 MSRP, and it still gives you a 39.8% average FPS lead across 50 shared CPU game tests in our data. It is also 251.8% better value on MSRP (88.9 vs 25.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Ryzen 5 3600 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2014), 113.3% larger total L3 cache (32 MB vs 15 MB), and more multi-core headroom with 6 cores / 12 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-5820K vs Ryzen 5 3600 Technical Specifications

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

Core i7-5820K

The Core i7-5820K is manufactured by Intel. It was released in 1 September 2014 (11 years ago). It is based on the Haswell-E (2014) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 3.6 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 9,826 points. Launch price was $410.

Ryzen 5 3600

The Ryzen 5 3600 is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 6 cores and 12 threads. Base frequency is 3.6 GHz, with boost up to 4.2 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 17,685 points. Launch price was $199.

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Processing Power

Both the Core i7-5820K and Ryzen 5 3600 share an identical 6-core/12-thread configuration. Boost clocks reach 3.6 GHz on the Core i7-5820K versus 4.2 GHz on the Ryzen 5 3600 — a 15.4% clock advantage for the Ryzen 5 3600 (base: 3.3 GHz vs 3.6 GHz). The Core i7-5820K uses the Haswell-E (2014) architecture (22 nm), while the Ryzen 5 3600 uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the Core i7-5820K scores 9,826 against the Ryzen 5 3600's 17,685 — a 57.1% lead for the Ryzen 5 3600. Cinebench R23 multi-core: 5,700 vs 9,500 (50% advantage for the Ryzen 5 3600). Geekbench 6 single-core — the metric most relevant to gaming — records 1,134 vs 1,295, a 13.3% lead for the Ryzen 5 3600 that directly translates to higher frame rates. Multi-core Geekbench: 5,383 vs 1,898 (95.7% advantage for the Core i7-5820K). L3 cache: 15 MB (total) on the Core i7-5820K vs 32 MB (total) on the Ryzen 5 3600.

Feature	Core i7-5820K	Ryzen 5 3600
Cores / Threads	6 / 12	6 / 12
Boost Clock	3.6 GHz	4.2 GHz+17%
Base Clock	3.3 GHz	3.6 GHz+9%
L3 Cache	15 MB (total)	32 MB (total)+113%
L2 Cache	256 kB (per core)	512K (per core)+100%
Process	22 nm	7 nm, 12 nm-68%
Architecture	Haswell-E (2014)	Matisse (2019−2020)
PassMark	9,826	17,685+80%
Cinebench R23 Multi	5,700	9,500+67%
Geekbench 6 Single	1,134	1,295+14%
Geekbench 6 Multi	5,383+184%	1,898

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Memory & Platform

The Core i7-5820K uses the LGA2011 socket (PCIe 3.0), while the Ryzen 5 3600 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i7-5820K versus DDR4-3200 on the Ryzen 5 3600 — the Ryzen 5 3600 supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 3600 supports up to 128 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Memory channels: 4 (Core i7-5820K) vs 2 (Ryzen 5 3600). PCIe lanes: 28 (Core i7-5820K) vs 24 (Ryzen 5 3600) — the Core i7-5820K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel X99 (Core i7-5820K) and AMD B550,AMD X570,AMD B450,AMD X470 (Ryzen 5 3600).

Feature	Core i7-5820K	Ryzen 5 3600
Socket	LGA2011	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2133	DDR4-3200+50%
Max RAM Capacity	64 GB	128 GB+100%
RAM Channels	4+100%	2
ECC Support	No	No
PCIe Lanes	28+17%	24

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support Yes virtualization. Primary use case: Core i7-5820K targets Enthusiast Workstation, Ryzen 5 3600 targets Gaming/Budget Workstation. Direct competitor: Core i7-5820K rivals Ryzen 5 1600; Ryzen 5 3600 rivals Core i5-10400.

Feature	Core i7-5820K	Ryzen 5 3600
Integrated GPU	No	No
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	Yes	Yes
Target Use	Enthusiast Workstation	Gaming/Budget Workstation

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Value Analysis

At launch, the Core i7-5820K was priced at $389, while the Ryzen 5 3600 came in at $199. On launch pricing ($389 vs $199), Ryzen 5 3600 was $190 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-5820K delivers 25.3 pts/$ vs 88.9 pts/$ for the Ryzen 5 3600 — making the Ryzen 5 3600 the 111.5% better value option.

Feature	Core i7-5820K	Ryzen 5 3600
MSRP	$389	$199-49%
Performance per Dollar	25.3	88.9+251%
Release Date	2014	2019

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