Core i7-7820HQ vs Ryzen 5 3580U

Intel

Core i7-7820HQ

4 Cores8 Thrd45 WWMax: 3.9 GHz2017
Similar parts
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VS
AMD

Ryzen 5 3580U

4 Cores8 Thrd15 WWMax: 3.7 GHz2019
Ryzen family
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Core i7-7820HQ vs Ryzen 5 3580U Performance Spectrum

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 i7-7820HQ vs Ryzen 5 3580U 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 i7-7820HQ vs Ryzen 5 3580U: Pros, Cons & Final Verdict

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

Core i7-7820HQ

2017

Why buy it

  • +100% larger total L3 cache (8 MB vs 4 MB).

Trade-offs

  • 200% higher power demand at 45W vs 15W.

Ryzen 5 3580U

2019

Why buy it

  • Draws 15W instead of 45W, a 30W reduction.

Trade-offs

  • Lower PassMark (7,142 vs 7,184).
  • Smaller total L3 cache (4 MB vs 8 MB).

Quick Answers

So, is Core i7-7820HQ better than Ryzen 5 3580U?
Yes. Core i7-7820HQ is the better all-around CPU here. It gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data and 0.6% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i7-7820HQ is the better pick. According to our tests, it delivers 1.8% 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 i7-7820HQ is the stronger fit. You are getting 0.6% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 100% larger total L3 cache (8 MB vs 4 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-7820HQ still makes the most sense overall. Core i7-7820HQ comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
Ryzen 5 3580U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2017). That makes it the safer long-term bet.

Core i7-7820HQ vs Ryzen 5 3580U Technical Specifications

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

Intel

Core i7-7820HQ

The Core i7-7820HQ 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: 7,184 points. Launch price was $378.

AMD

Ryzen 5 3580U

The Ryzen 5 3580U is manufactured by AMD. It was released in 6 January 2019 (6 years ago). It is based on the Picasso-U (Zen+) (2019−2020) architecture. It features 4 cores and 8 threads. Base frequency is 2.1 GHz, with boost up to 3.7 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 12 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 7,142 points. Launch price was $149.

Processing Power

Both the Core i7-7820HQ and Ryzen 5 3580U share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Core i7-7820HQ versus 3.7 GHz on the Ryzen 5 3580U — a 5.3% clock advantage for the Core i7-7820HQ (base: 2.9 GHz vs 2.1 GHz). The Core i7-7820HQ uses the Kaby Lake-H (2017) architecture (14 nm), while the Ryzen 5 3580U uses Picasso-U (Zen+) (2019−2020) (12 nm). In PassMark, the Core i7-7820HQ scores 7,184 against the Ryzen 5 3580U's 7,142 — a 0.6% lead for the Core i7-7820HQ. L3 cache: 8 MB (total) on the Core i7-7820HQ vs 4 MB (total) on the Ryzen 5 3580U.

FeatureCore i7-7820HQRyzen 5 3580U
Cores / Threads
4 / 8
4 / 8
Boost Clock
3.9 GHz+5%
3.7 GHz
Base Clock
2.9 GHz+38%
2.1 GHz
L3 Cache
8 MB (total)+100%
4 MB (total)
L2 Cache
256K (per core)
512K (per core)+100%
Process
14 nm
12 nm-14%
Architecture
Kaby Lake-H (2017)
Picasso-U (Zen+) (2019−2020)
PassMark
7,184
7,142
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Memory & Platform

The Core i7-7820HQ uses the BGA1440 socket (PCIe 3.0), while the Ryzen 5 3580U uses FP5 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i7-7820HQRyzen 5 3580U
Socket
BGA1440
FP5
PCIe Generation
PCIe 3.0
PCIe 3.0