Core i5-7640X vs Ryzen 5 3580U

Intel

Core i5-7640X

4 Cores4 Thrd112 WWMax: 4.2 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 i5-7640X 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 i5-7640X 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 i5-7640X 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 i5-7640X

2017

Why buy it

  • +50% larger total L3 cache (6 MB vs 4 MB).
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark (7,060 vs 7,142).
  • Launch MSRP is still $249 MSRP, while Ryzen 5 3580U mostly shows up through inconsistent older-market listings.
  • 646.7% higher power demand at 112W vs 15W.

Ryzen 5 3580U

2019

Why buy it

  • +1.2% higher PassMark.
  • Draws 15W instead of 112W, a 97W reduction.

Trade-offs

  • Smaller total L3 cache (4 MB vs 6 MB).

Quick Answers

So, is Ryzen 5 3580U better than Core i5-7640X?
It depends on what you want from the system. For gaming, Core i5-7640X is ahead with a 0.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 5 3580U pulls ahead with 1.2% better PassMark. Core i5-7640X also has the bigger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 5 3580U is the stronger fit. You are getting 1.2% better PassMark, backed by 4 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 5 3580U is still the much better call for a fresh build. Ryzen 5 3580U comes in at an unclear MSRP at unclear MSRP versus $249 MSRP, and it still gives you 1.2% better PassMark. Core i5-7640X only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2017 platform. Even with 100.0% better value on paper (28.4 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA2066.
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) and more multi-core headroom with 4 cores / 8 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-7640X vs Ryzen 5 3580U Technical Specifications

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

Intel

Core i5-7640X

The Core i5-7640X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Kaby Lake-X (2017) architecture. It features 4 cores and 4 threads. Base frequency is 4 GHz, with boost up to 4.2 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 112 Watt. Memory support: DDR4-2666. Passmark benchmark score: 7,060 points. Launch price was $242.

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

The Core i5-7640X packs 4 cores / 4 threads, matching the Ryzen 5 3580U's 4 cores. Boost clocks reach 4.2 GHz on the Core i5-7640X versus 3.7 GHz on the Ryzen 5 3580U — a 12.7% clock advantage for the Core i5-7640X (base: 4 GHz vs 2.1 GHz). The Core i5-7640X uses the Kaby Lake-X (2017) architecture (14 nm), while the Ryzen 5 3580U uses Picasso-U (Zen+) (2019−2020) (12 nm). In PassMark, the Core i5-7640X scores 7,060 against the Ryzen 5 3580U's 7,142 — a 1.2% lead for the Ryzen 5 3580U. L3 cache: 6 MB (total) on the Core i5-7640X vs 4 MB (total) on the Ryzen 5 3580U.

FeatureCore i5-7640XRyzen 5 3580U
Cores / Threads
4 / 4
4 / 8
Boost Clock
4.2 GHz+14%
3.7 GHz
Base Clock
4 GHz+90%
2.1 GHz
L3 Cache
6 MB (total)+50%
4 MB (total)
L2 Cache
256K (per core)
512K (per core)+100%
Process
14 nm
12 nm-14%
Architecture
Kaby Lake-X (2017)
Picasso-U (Zen+) (2019−2020)
PassMark
7,060
7,142+1%
Cinebench R23 Multi
3,726
Geekbench 6 Single
1,419
Geekbench 6 Multi
3,726
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Memory & Platform

The Core i5-7640X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 5 3580U uses FP5 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i5-7640XRyzen 5 3580U
Socket
LGA2066
FP5
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2666
Max RAM Capacity
64 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: Yes (Core i5-7640X) / not specified (Ryzen 5 3580U). Primary use case: Core i5-7640X targets Desktop.

FeatureCore i5-7640XRyzen 5 3580U
Integrated GPU
No
Unlocked
Yes
AVX-512
No
Virtualization
Yes
Target Use
Desktop