Ryzen 5 6600U vs Ryzen 7 5800X

AMD

Ryzen 5 6600U

6 Cores12 Thrd15 WWMax: 4.5 GHz2022

Popular choices:

Ryzen 7 5800X
VS
AMD

Ryzen 7 5800X

8 Cores16 Thrd105 WWMax: 4.7 GHz2020

Popular choices:

Performance Spectrum - CPU

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen 5 6600U

2022

Why buy it

  • Draws 15W instead of 105W, a 90W reduction.
  • Newer platform on FP7 with DDR5 support instead of AM4 and DDR4.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 5800X across 50 shared CPU benchmark tests.
  • Lower PassMark (16,992 vs 27,712).
  • Smaller total L3 cache (16 MB vs 32 MB).

Ryzen 7 5800X

2020

Why buy it

  • Better for gaming: +35.0% higher average FPS across 50 shared CPU benchmark tests.
  • +100% larger total L3 cache (32 MB vs 16 MB).
  • 100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • Launch MSRP is still $449 MSRP, while Ryzen 5 6600U mostly shows up through inconsistent older-market listings.
  • 600% higher power demand at 105W vs 15W.
  • Older platform position on AM4 with DDR4, while Ryzen 5 6600U moves to FP7 and DDR5.

Quick Answers

So, is Ryzen 7 5800X better than Ryzen 5 6600U?
Yes. Ryzen 7 5800X is the better overall CPU here. You are getting a 35.0% average FPS lead across 50 shared CPU game tests in our data and 63.1% better PassMark, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen 7 5800X is the better pick here. According to our tests, it delivers 35.0% 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 7 5800X is the better fit. You are getting 63.1% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 5800X is the smarter buy today. Ryzen 7 5800X is at an unclear MSRP at $449 MSRP versus unclear MSRP, and it gives you a 35.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 5 6600U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020) and a healthier platform with FP7 and DDR5 instead of AM4. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetRyzen 5 6600URyzen 7 5800X
1080p
low167 FPS206 FPS
medium145 FPS178 FPS
high117 FPS146 FPS
ultra98 FPS110 FPS
1440p
low142 FPS170 FPS
medium121 FPS142 FPS
high98 FPS115 FPS
ultra82 FPS88 FPS
4K
low79 FPS83 FPS
medium72 FPS74 FPS
high57 FPS59 FPS
ultra45 FPS46 FPS
Counter-Strike 2

Counter-Strike 2

PresetRyzen 5 6600URyzen 7 5800X
1080p
low353 FPS662 FPS
medium294 FPS558 FPS
high259 FPS466 FPS
ultra228 FPS417 FPS
1440p
low304 FPS563 FPS
medium258 FPS493 FPS
high234 FPS423 FPS
ultra202 FPS361 FPS
4K
low226 FPS350 FPS
medium195 FPS308 FPS
high179 FPS288 FPS
ultra146 FPS250 FPS
League of Legends

League of Legends

PresetRyzen 5 6600URyzen 7 5800X
1080p
low425 FPS693 FPS
medium425 FPS651 FPS
high414 FPS570 FPS
ultra344 FPS464 FPS
1440p
low425 FPS693 FPS
medium400 FPS573 FPS
high360 FPS498 FPS
ultra301 FPS413 FPS
4K
low340 FPS484 FPS
medium284 FPS410 FPS
high246 FPS363 FPS
ultra193 FPS302 FPS
Valorant

Valorant

PresetRyzen 5 6600URyzen 7 5800X
1080p
low425 FPS693 FPS
medium425 FPS693 FPS
high425 FPS693 FPS
ultra425 FPS693 FPS
1440p
low425 FPS693 FPS
medium425 FPS693 FPS
high425 FPS672 FPS
ultra425 FPS593 FPS
4K
low425 FPS604 FPS
medium425 FPS550 FPS
high414 FPS495 FPS
ultra359 FPS436 FPS

Technical Specifications

Side-by-side comparison of Ryzen 5 6600U and Ryzen 7 5800X

AMD

Ryzen 5 6600U

The Ryzen 5 6600U is manufactured by AMD. It was released in Janeiro 2022 (3 years ago). It is based on the Rembrandt-U (Zen 3+) (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.5 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 6 nm process technology. Socket: FP7. Thermal design power (TDP): 15 Watt. Memory support: DDR5. Passmark benchmark score: 16,992 points. Launch price was $299.

AMD

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

Processing Power

The Ryzen 5 6600U packs 6 cores / 12 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 2 more cores. Boost clocks reach 4.5 GHz on the Ryzen 5 6600U versus 4.7 GHz on the Ryzen 7 5800X — a 4.3% clock advantage for the Ryzen 7 5800X (base: 2.9 GHz vs 3.8 GHz). The Ryzen 5 6600U uses the Rembrandt-U (Zen 3+) (2022) architecture (6 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Ryzen 5 6600U scores 16,992 against the Ryzen 7 5800X's 27,712 — a 48% lead for the Ryzen 7 5800X. L3 cache: 16 MB (total) on the Ryzen 5 6600U vs 32 MB on the Ryzen 7 5800X.

FeatureRyzen 5 6600URyzen 7 5800X
Cores / Threads
6 / 12
8 / 16+33%
Boost Clock
4.5 GHz
4.7 GHz+4%
Base Clock
2.9 GHz
3.8 GHz+31%
L3 Cache
16 MB (total)
32 MB+100%
L2 Cache
512K (per core)
512K (per core)
Process
6 nm-14%
7 nm, 12 nm
Architecture
Rembrandt-U (Zen 3+) (2022)
Vermeer (Zen 3) (2020−2022)
PassMark
16,992
27,712+63%
🧠

Memory & Platform

The Ryzen 5 6600U uses the FP7 socket (PCIe 4.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureRyzen 5 6600URyzen 7 5800X
Socket
FP7
AM4
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
DDR4-3200
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
Yes
PCIe Lanes
24
🔧

Advanced Features

Virtualization: not specified (Ryzen 5 6600U) / AMD-V (Ryzen 7 5800X). Primary use case: Ryzen 7 5800X targets Desktop.

FeatureRyzen 5 6600URyzen 7 5800X
Integrated GPU
No
Unlocked
Yes
AVX-512
No
Virtualization
AMD-V
Target Use
Desktop