Ryzen 7 3700X vs Ryzen 9 6900HX

AMD

Ryzen 7 3700X

8 Cores16 Thrd65 WWMax: 4.4 GHz2019
Ryzen family
·······
VS
AMD

Ryzen 9 6900HX

8 Cores16 Thrd45 WWMax: 4.9 GHz2022
Ryzen family
······

Ryzen 7 3700X vs Ryzen 9 6900HX 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.

Ryzen 7 3700X vs Ryzen 9 6900HX 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.

Ryzen 7 3700X vs Ryzen 9 6900HX: Pros, Cons & Final Verdict

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

Ryzen 7 3700X

2019

Why buy it

  • Better for gaming: +12.8% 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

  • Lower PassMark (22,430 vs 24,248).
  • Launch MSRP is still $329 MSRP, while Ryzen 9 6900HX mostly shows up through inconsistent older-market listings.
  • 44.4% higher power demand at 65W vs 45W.
  • Older platform position on AM4 with DDR4, while Ryzen 9 6900HX moves to FP7 and DDR5.

Ryzen 9 6900HX

2022

Why buy it

  • +8.1% higher PassMark.
  • Draws 45W instead of 65W, a 20W reduction.
  • Newer platform on FP7 with DDR5 support instead of AM4 and DDR4.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
  • Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 9 6900HX better than Ryzen 7 3700X?
It depends on what you want from the system. For gaming, Ryzen 7 3700X is ahead with a 12.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 9 6900HX pulls ahead with 8.1% better PassMark. Ryzen 7 3700X also has the bigger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 6900HX is the stronger fit. You are getting 8.1% better PassMark, backed by 8 cores and 16 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 6900HX is still the faster CPU overall, but Ryzen 7 3700X is easier to justify if budget matters more than peak performance. Ryzen 9 6900HX comes in at an unclear MSRP at unclear MSRP versus $329 MSRP, and it still gives you 8.1% better PassMark. The compromise is that Ryzen 7 3700X is still the better pure gaming CPU with a 12.8% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 3700X is also 100.0% better value on MSRP (68.2 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 6900HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2019), a healthier platform with FP7 and DDR5 instead of AM4, and more multi-core headroom with 8 cores / 16 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 7 3700X vs Ryzen 9 6900HX Technical Specifications

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

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 6900HX

The Ryzen 9 6900HX is manufactured by AMD. It was released in Janeiro 2022 (3 years ago). It is based on the Rembrandt-H (Zen 3+) (2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 6 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 24,248 points. Launch price was $299.

Processing Power

Both the Ryzen 7 3700X and Ryzen 9 6900HX share an identical 8-core/16-thread configuration. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 4.9 GHz on the Ryzen 9 6900HX — a 10.8% clock advantage for the Ryzen 9 6900HX (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 6900HX uses Rembrandt-H (Zen 3+) (2022) (6 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Ryzen 9 6900HX's 24,248 — a 7.8% lead for the Ryzen 9 6900HX. L3 cache: 32 MB on the Ryzen 7 3700X vs 16 MB (total) on the Ryzen 9 6900HX.

FeatureRyzen 7 3700XRyzen 9 6900HX
Cores / Threads
8 / 16
8 / 16
Boost Clock
4.4 GHz
4.9 GHz+11%
Base Clock
3.6 GHz+9%
3.3 GHz
L3 Cache
32 MB+100%
16 MB (total)
L2 Cache
512K (per core)
512K (per core)
Process
7 nm, 12 nm
6 nm-14%
Architecture
Matisse (Zen 2) (2019−2020)
Rembrandt-H (Zen 3+) (2022)
PassMark
22,430
24,248+8%
🧠

Memory & Platform

The Ryzen 7 3700X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 6900HX uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureRyzen 7 3700XRyzen 9 6900HX
Socket
AM4
FP7
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