Ryzen 7 3700X vs Ryzen 9 7940H

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 7940H 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 7940H: 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

✅+100% larger total L3 cache (32 MB vs 16 MB).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7940H across 50 shared CPU benchmark tests.
❌Lower PassMark (22,430 vs 29,151).
❌Launch MSRP is still $329 MSRP, while Ryzen 9 7940H mostly shows up through inconsistent older-market listings.
❌85.7% higher power demand at 65W vs 35W.
❌Older platform position on AM4 with DDR4, while Ryzen 9 7940H moves to FP8 and DDR5.

Ryzen 9 7940H

2023

Why buy it

✅Better for gaming: +12.1% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 35W instead of 65W, a 30W reduction.
✅Newer platform on FP8 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon 780M, while Ryzen 7 3700X needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 9 7940H better than Ryzen 7 3700X?

Yes. Ryzen 9 7940H is the better all-around CPU here. It gives you a 12.1% average FPS lead across 50 shared CPU game tests in our data, 30% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 7940H is the better pick. According to our tests, it delivers 12.1% 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 9 7940H is the stronger fit. You are getting 30% better PassMark, backed by 8 cores and 16 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 9 7940H is still the faster CPU overall, but Ryzen 7 3700X is easier to justify if budget matters more than peak performance. Ryzen 9 7940H comes in at an unclear MSRP at unclear MSRP versus $329 MSRP, and it still gives you a 12.1% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 3700X is also 100.0% better value on MSRP (68.2 vs 0.0 PassMark/$), 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 7940H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with FP8 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 7940H Technical Specifications

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

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.

Ryzen 9 7940H

The Ryzen 9 7940H is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 35 Watt. Memory support: DDR5-5600. Passmark benchmark score: 29,151 points. Launch price was $299.

⚡

Processing Power

Both the Ryzen 7 3700X and Ryzen 9 7940H share an identical 8-core/16-thread configuration. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 5.2 GHz on the Ryzen 9 7940H — a 16.7% clock advantage for the Ryzen 9 7940H (base: 3.6 GHz vs 4 GHz). The Ryzen 7 3700X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 9 7940H uses Phoenix (2023−2024) (4 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Ryzen 9 7940H's 29,151 — a 26.1% lead for the Ryzen 9 7940H. L3 cache: 32 MB on the Ryzen 7 3700X vs 16 MB (total) on the Ryzen 9 7940H.

Feature	Ryzen 7 3700X	Ryzen 9 7940H
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.4 GHz	5.2 GHz+18%
Base Clock	3.6 GHz	4 GHz+11%
L3 Cache	32 MB+100%	16 MB (total)
L2 Cache	512K (per core)+51100%	1 MB (per core)
Process	7 nm, 12 nm	4 nm-43%
Architecture	Matisse (Zen 2) (2019−2020)	Phoenix (2023−2024)
PassMark	22,430	29,151+30%
Cinebench R23 Multi	—	17,200
Geekbench 6 Single	—	2,646
Geekbench 6 Multi	—	13,495

🧠

Memory & Platform

The Ryzen 7 3700X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 7940H uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 3700X versus DDR5-5600 on the Ryzen 9 7940H — the Ryzen 9 7940H supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 7940H supports up to 256 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 3700X) vs 20 (Ryzen 9 7940H) — the Ryzen 7 3700X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X) and FP7,FP7r2,FP8 (Ryzen 9 7940H).

Feature	Ryzen 7 3700X	Ryzen 9 7940H
Socket	AM4	FP8
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR5-5600+75%
Max RAM Capacity	128 GB	256 GB+100%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	24+20%	20

🔧

Advanced Features

Virtualization: not specified (Ryzen 7 3700X) / AMD-V, SVM (Ryzen 9 7940H). The Ryzen 9 7940H includes integrated graphics (Radeon 780M), while the Ryzen 7 3700X requires a dedicated GPU. Primary use case: Ryzen 9 7940H targets High-performance Gaming Laptop. Direct competitor: Ryzen 9 7940H rivals Core i9-13900H.