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 9 3900X

2019

Why buy it

✅Better for gaming: +25.0% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower Geekbench multi-core (12,000 vs 14,000).
❌Launch MSRP is still $499 MSRP, while Ryzen AI Max 385 mostly shows up through inconsistent older-market listings.
❌90.9% higher power demand at 105W vs 55W.
❌Older platform position on AM4 with DDR4, while Ryzen AI Max 385 moves to FP11 and DDR5.
❌No integrated graphics, while Ryzen AI Max 385 can still boot and troubleshoot without a discrete GPU.

Ryzen AI Max 385

2025

Why buy it

✅+16.7% higher Geekbench multi-core.
✅Draws 55W instead of 105W, a 50W reduction.
✅Newer platform on FP11 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon 8050S, while Ryzen 9 3900X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (32 MB vs 64 MB).

Ryzen 9 3900X

2019

Ryzen AI Max 385

2025

Why buy it

✅Better for gaming: +25.0% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Why buy it

✅+16.7% higher Geekbench multi-core.
✅Draws 55W instead of 105W, a 50W reduction.
✅Newer platform on FP11 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon 8050S, while Ryzen 9 3900X needs a discrete GPU.

Trade-offs

❌Lower Geekbench multi-core (12,000 vs 14,000).
❌Launch MSRP is still $499 MSRP, while Ryzen AI Max 385 mostly shows up through inconsistent older-market listings.
❌90.9% higher power demand at 105W vs 55W.
❌Older platform position on AM4 with DDR4, while Ryzen AI Max 385 moves to FP11 and DDR5.
❌No integrated graphics, while Ryzen AI Max 385 can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (32 MB vs 64 MB).

Quick Answers

So, is Ryzen AI Max 385 better than Ryzen 9 3900X?

It depends on what matters more to you. For gaming, Ryzen 9 3900X is ahead with a 25.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen AI Max 385 pulls ahead with 16.7% better Geekbench multi-core. Ryzen 9 3900X also has the bigger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen AI Max 385 is the better fit. You are getting 16.7% better Geekbench multi-core, backed by 8 cores and 16 threads.

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

Ryzen AI Max 385 is still the faster CPU overall, but Ryzen 9 3900X makes more sense if price matters more than absolute performance. Ryzen AI Max 385 is at an unclear MSRP at unclear MSRP versus $499 MSRP, and it gives you 16.7% better Geekbench multi-core. The trade-off is that Ryzen 9 3900X is still the better pure gaming CPU with a 25.0% average FPS lead across 50 shared CPU game tests in our data. Ryzen 9 3900X is also 100.0% better value on MSRP (65.2 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen AI Max 385 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2019), a healthier platform with FP11 and DDR5 instead of AM4, and more multi-core headroom with 8 cores / 16 threads instead of 12/24. 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.

Ryzen 9 3900X Benchmark Check

Ryzen AI Max 385 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 3900X	Ryzen AI Max 385
1080p
low	209 FPS	257 FPS
medium	170 FPS	234 FPS
high	140 FPS	203 FPS
ultra	114 FPS	174 FPS
1440p
low	171 FPS	222 FPS
medium	131 FPS	183 FPS
high	104 FPS	153 FPS
ultra	86 FPS	134 FPS
4K
low	92 FPS	154 FPS
medium	77 FPS	127 FPS
high	61 FPS	99 FPS
ultra	49 FPS	86 FPS

Open Ryzen 9 3900X Open Ryzen AI Max 385

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 3900X	Ryzen AI Max 385
1080p
low	781 FPS	592 FPS
medium	654 FPS	500 FPS
high	510 FPS	391 FPS
ultra	447 FPS	346 FPS
1440p
low	648 FPS	508 FPS
medium	552 FPS	452 FPS
high	452 FPS	359 FPS
ultra	369 FPS	299 FPS
4K
low	380 FPS	303 FPS
medium	326 FPS	273 FPS
high	293 FPS	243 FPS
ultra	258 FPS	209 FPS

Open Ryzen 9 3900X Open Ryzen AI Max 385

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 3900X	Ryzen AI Max 385
1080p
low	813 FPS	780 FPS
medium	794 FPS	611 FPS
high	730 FPS	534 FPS
ultra	647 FPS	447 FPS
1440p
low	707 FPS	676 FPS
medium	583 FPS	534 FPS
high	522 FPS	463 FPS
ultra	459 FPS	389 FPS
4K
low	503 FPS	476 FPS
medium	403 FPS	394 FPS
high	361 FPS	350 FPS
ultra	292 FPS	288 FPS

Open Ryzen 9 3900X Open Ryzen AI Max 385

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 3900X	Ryzen AI Max 385
1080p
low	813 FPS	807 FPS
medium	813 FPS	807 FPS
high	813 FPS	779 FPS
ultra	813 FPS	700 FPS
1440p
low	813 FPS	796 FPS
medium	813 FPS	706 FPS
high	714 FPS	619 FPS
ultra	619 FPS	536 FPS
4K
low	669 FPS	554 FPS
medium	594 FPS	499 FPS
high	525 FPS	448 FPS
ultra	437 FPS	389 FPS

Open Ryzen 9 3900X Open Ryzen AI Max 385

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 3900X and Ryzen AI Max 385

Ryzen 9 3900X

The Ryzen 9 3900X 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 12 cores and 24 threads. Base frequency is 3.8 GHz, with boost up to 4.6 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 125 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 32,517 points. Launch price was $499.

Ryzen AI Max 385

The Ryzen AI Max 385 is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Strix Halo (2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP11. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 32,274 points. Launch price was $499.

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Processing Power

The Ryzen 9 3900X packs 12 cores / 24 threads, while the Ryzen AI Max 385 offers 8 cores / 16 threads — the Ryzen 9 3900X has 4 more cores. Boost clocks reach 4.6 GHz on the Ryzen 9 3900X versus 5 GHz on the Ryzen AI Max 385 — a 8.3% clock advantage for the Ryzen AI Max 385 (base: 3.8 GHz vs 3.6 GHz). The Ryzen 9 3900X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Ryzen AI Max 385 uses Strix Halo (2025) (4 nm). In PassMark, the Ryzen 9 3900X scores 32,517 against the Ryzen AI Max 385's 32,274 — a 0.8% lead for the Ryzen 9 3900X. Geekbench 6 single-core — the metric most relevant to gaming — records 1,300 vs 2,800, a 73.2% lead for the Ryzen AI Max 385 that directly translates to higher frame rates. Multi-core Geekbench: 12,000 vs 14,000 (15.4% advantage for the Ryzen AI Max 385). L3 cache: 64 MB on the Ryzen 9 3900X vs 32 MB (total) on the Ryzen AI Max 385.

Feature	Ryzen 9 3900X	Ryzen AI Max 385
Cores / Threads	12 / 24+50%	8 / 16
Boost Clock	4.6 GHz	5 GHz+9%
Base Clock	3.8 GHz+6%	3.6 GHz
L3 Cache	64 MB+100%	32 MB (total)
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm	4 nm-43%
Architecture	Matisse (Zen 2) (2019−2020)	Strix Halo (2025)
PassMark	32,517	32,274
Cinebench R23 Multi	—	16,500
Geekbench 6 Single	1,300	2,800+115%
Geekbench 6 Multi	12,000	14,000+17%

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Memory & Platform

The Ryzen 9 3900X uses the AM4 socket (PCIe 4.0), while the Ryzen AI Max 385 uses FP11 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 3900X versus LPDDR5x-8000 on the Ryzen AI Max 385 — the Ryzen AI Max 385 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Memory channels: 2 (Ryzen 9 3900X) vs 4 (Ryzen AI Max 385). PCIe lanes: 24 (Ryzen 9 3900X) vs 20 (Ryzen AI Max 385) — the Ryzen 9 3900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550 (Ryzen 9 3900X) and Strix Halo platform (Ryzen AI Max 385).

Feature	Ryzen 9 3900X	Ryzen AI Max 385
Socket	AM4	FP11
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	LPDDR5x-8000+25%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	4+100%
ECC Support	Yes	No
PCIe Lanes	24+20%	20

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen AI Max 385 supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen AI Max 385 includes integrated graphics (Radeon 8050S), while the Ryzen 9 3900X requires a dedicated GPU. Primary use case: Ryzen 9 3900X targets Workstation, Ryzen AI Max 385 targets High-performance AI / Gaming Laptop. Direct competitor: Ryzen AI Max 385 rivals Core Ultra 9 285H.

Feature	Ryzen 9 3900X	Ryzen AI Max 385
Integrated GPU	No	Yes
IGPU Model	None	Radeon 8050S
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	AMD-V	AMD-V
Target Use	Workstation	High-performance AI / Gaming Laptop

💰

Value Analysis

The Ryzen 9 3900X launched at $499 MSRP, while the Ryzen AI Max 385 debuted at $0. On MSRP ($499 vs $0), the Ryzen AI Max 385 is $499 cheaper.