Ryzen 7 3700X vs Ryzen 9 5900H

AMD

Ryzen 7 3700X

8 Cores16 Thrd65 WWMax: 4.4 GHz2019

Popular choices:

VS
AMD

Ryzen 9 5900H

8 Cores16 Thrd45 WWMax: 4.6 GHz2021

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 7 3700X

2019

Why buy it

  • Better for gaming: +51.9% higher average FPS across 4 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 $329 MSRP, while Ryzen 9 5900H mostly shows up through inconsistent older-market listings.
  • 44.4% higher power demand at 65W vs 45W.

Ryzen 9 5900H

2021

Why buy it

  • Draws 45W instead of 65W, a 20W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 3700X across 4 shared CPU benchmark tests.
  • Lower PassMark (13,510 vs 22,430).
  • Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 7 3700X better than Ryzen 9 5900H?
Yes. Ryzen 7 3700X is the better overall CPU here. You are getting a 51.9% average FPS lead across 4 shared CPU game tests in our data and 66% better PassMark, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen 7 3700X is the better pick here. According to our tests, it delivers 51.9% more average FPS across 4 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 7 3700X is the better fit. You are getting 66% 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 3700X is the smarter buy today. Ryzen 7 3700X is at an unclear MSRP at $329 MSRP versus unclear MSRP, and it gives you a 51.9% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (68.2 vs 0.0 PassMark/$), 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 9 5900H is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019). That makes it the safer long-term pick.

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 7 3700XRyzen 9 5900H
1080p
low200 FPS181 FPS
medium163 FPS147 FPS
high137 FPS122 FPS
ultra110 FPS99 FPS
1440p
low156 FPS147 FPS
medium121 FPS116 FPS
high100 FPS95 FPS
ultra80 FPS78 FPS
4K
low84 FPS81 FPS
medium71 FPS69 FPS
high56 FPS55 FPS
ultra44 FPS43 FPS
Counter-Strike 2

Counter-Strike 2

PresetRyzen 7 3700XRyzen 9 5900H
1080p
low561 FPS338 FPS
medium525 FPS338 FPS
high428 FPS327 FPS
ultra383 FPS288 FPS
1440p
low545 FPS338 FPS
medium471 FPS338 FPS
high394 FPS300 FPS
ultra337 FPS256 FPS
4K
low350 FPS278 FPS
medium304 FPS246 FPS
high274 FPS227 FPS
ultra242 FPS197 FPS
League of Legends

League of Legends

PresetRyzen 7 3700XRyzen 9 5900H
1080p
low561 FPS338 FPS
medium561 FPS338 FPS
high561 FPS338 FPS
ultra561 FPS338 FPS
1440p
low561 FPS338 FPS
medium561 FPS338 FPS
high538 FPS338 FPS
ultra470 FPS338 FPS
4K
low499 FPS338 FPS
medium394 FPS338 FPS
high343 FPS326 FPS
ultra275 FPS259 FPS
Valorant

Valorant

PresetRyzen 7 3700XRyzen 9 5900H
1080p
low561 FPS338 FPS
medium561 FPS338 FPS
high561 FPS338 FPS
ultra561 FPS338 FPS
1440p
low561 FPS338 FPS
medium561 FPS338 FPS
high561 FPS338 FPS
ultra555 FPS338 FPS
4K
low561 FPS338 FPS
medium501 FPS338 FPS
high447 FPS338 FPS
ultra396 FPS338 FPS

Technical Specifications

Side-by-side comparison of Ryzen 7 3700X and Ryzen 9 5900H

AMD

Ryzen 7 3700X

The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. 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: 22,430 points. Launch price was $329.

AMD

Ryzen 9 5900H

The Ryzen 9 5900H is manufactured by AMD. It was released in 7 January 2021 (4 years ago). It is based on the Cezanne U (Zen 3) (2021−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 16 MB. L2 cache: 4 MB. Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 13,510 points. Launch price was $149.

Processing Power

Both the Ryzen 7 3700X and Ryzen 9 5900H share an identical 8-core/16-thread configuration. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 4.6 GHz on the Ryzen 9 5900H — a 4.4% clock advantage for the Ryzen 9 5900H (base: 3.6 GHz vs 3.3 GHz). The Ryzen 7 3700X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 9 5900H uses Cezanne U (Zen 3) (2021−2022) (7 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Ryzen 9 5900H's 13,510 — a 49.6% lead for the Ryzen 7 3700X. L3 cache: 32 MB on the Ryzen 7 3700X vs 16 MB on the Ryzen 9 5900H.

FeatureRyzen 7 3700XRyzen 9 5900H
Cores / Threads
8 / 16
8 / 16
Boost Clock
4.4 GHz
4.6 GHz+5%
Base Clock
3.6 GHz+9%
3.3 GHz
L3 Cache
32 MB+100%
16 MB
L2 Cache
512K (per core)
4 MB+700%
Process
7 nm, 12 nm
7 nm
Architecture
Matisse (Zen 2) (2019−2020)
Cezanne U (Zen 3) (2021−2022)
PassMark
22,430+66%
13,510
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Memory & Platform

The Ryzen 7 3700X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 5900H uses FP6 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureRyzen 7 3700XRyzen 9 5900H
Socket
AM4
FP6
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