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 3900XT

2020

Why buy it

✅Better for gaming: +14.8% 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

❌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.
❌No boxed cooler included, unlike Ryzen AI Max 385.

Ryzen AI Max 385

2025

Why buy it

✅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 3900XT needs a discrete GPU.
✅Includes a boxed cooler (Laptop Integrated), unlike Ryzen 9 3900XT.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900XT across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (16,500 vs 18,400).
❌Smaller total L3 cache (32 MB vs 64 MB).

Ryzen 9 3900XT

2020

Ryzen AI Max 385

2025

Why buy it

✅Better for gaming: +14.8% 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

✅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 3900XT needs a discrete GPU.
✅Includes a boxed cooler (Laptop Integrated), unlike Ryzen 9 3900XT.

Trade-offs

❌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.
❌No boxed cooler included, unlike Ryzen AI Max 385.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900XT across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (16,500 vs 18,400).
❌Smaller total L3 cache (32 MB vs 64 MB).

Quick Answers

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

Yes. Ryzen 9 3900XT is the better overall CPU here. You are getting a 14.8% average FPS lead across 50 shared CPU game tests in our data, 11.5% better Cinebench R23 multi-core, and 0.7% higher PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 3900XT is the better pick here. According to our tests, it delivers 14.8% 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 3900XT is the better fit. You are getting 11.5% better Cinebench R23 multi-core, backed by 12 cores and 24 threads. It also carries the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).

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

Ryzen 9 3900XT is the smarter buy today. Ryzen 9 3900XT is at an unclear MSRP at $499 MSRP versus unclear MSRP, and it gives you a 14.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (65.2 vs 0.0 PassMark/$), 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 AI Max 385 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020) and a healthier platform with FP11 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.

Ryzen 9 3900XT Benchmark Check

Ryzen AI Max 385 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 3900XT	Ryzen AI Max 385
1080p
low	177 FPS	257 FPS
medium	148 FPS	234 FPS
high	130 FPS	203 FPS
ultra	108 FPS	174 FPS
1440p
low	158 FPS	222 FPS
medium	126 FPS	183 FPS
high	104 FPS	153 FPS
ultra	86 FPS	134 FPS
4K
low	88 FPS	154 FPS
medium	75 FPS	127 FPS
high	60 FPS	99 FPS
ultra	48 FPS	86 FPS

Open Ryzen 9 3900XT Open Ryzen AI Max 385

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 3900XT	Ryzen AI Max 385
1080p
low	681 FPS	592 FPS
medium	578 FPS	500 FPS
high	433 FPS	391 FPS
ultra	372 FPS	346 FPS
1440p
low	562 FPS	508 FPS
medium	487 FPS	452 FPS
high	386 FPS	359 FPS
ultra	309 FPS	299 FPS
4K
low	332 FPS	303 FPS
medium	290 FPS	273 FPS
high	253 FPS	243 FPS
ultra	217 FPS	209 FPS

Open Ryzen 9 3900XT Open Ryzen AI Max 385

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 3900XT	Ryzen AI Max 385
1080p
low	813 FPS	780 FPS
medium	644 FPS	611 FPS
high	557 FPS	534 FPS
ultra	463 FPS	447 FPS
1440p
low	725 FPS	676 FPS
medium	564 FPS	534 FPS
high	487 FPS	463 FPS
ultra	410 FPS	389 FPS
4K
low	515 FPS	476 FPS
medium	422 FPS	394 FPS
high	374 FPS	350 FPS
ultra	310 FPS	288 FPS

Open Ryzen 9 3900XT Open Ryzen AI Max 385

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 3900XT	Ryzen AI Max 385
1080p
low	813 FPS	807 FPS
medium	813 FPS	807 FPS
high	813 FPS	779 FPS
ultra	756 FPS	700 FPS
1440p
low	813 FPS	796 FPS
medium	769 FPS	706 FPS
high	675 FPS	619 FPS
ultra	578 FPS	536 FPS
4K
low	635 FPS	554 FPS
medium	566 FPS	499 FPS
high	501 FPS	448 FPS
ultra	432 FPS	389 FPS

Open Ryzen 9 3900XT Open Ryzen AI Max 385

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

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

Ryzen 9 3900XT

The Ryzen 9 3900XT is manufactured by AMD. It was released in 7 July 2020 (5 years ago). It is based on the Matisse 2 (2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 32,512 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.

⚡

Processing Power

The Ryzen 9 3900XT packs 12 cores / 24 threads, while the Ryzen AI Max 385 offers 8 cores / 16 threads — the Ryzen 9 3900XT has 4 more cores. Boost clocks reach 4.7 GHz on the Ryzen 9 3900XT versus 5 GHz on the Ryzen AI Max 385 — a 6.2% clock advantage for the Ryzen AI Max 385 (base: 3.8 GHz vs 3.6 GHz). The Ryzen 9 3900XT uses the Matisse 2 (2020) architecture (7 nm, 12 nm), while the Ryzen AI Max 385 uses Strix Halo (2025) (4 nm). In PassMark, the Ryzen 9 3900XT scores 32,512 against the Ryzen AI Max 385's 32,274 — a 0.7% lead for the Ryzen 9 3900XT. Cinebench R23 multi-core: 18,400 vs 16,500 (10.9% advantage for the Ryzen 9 3900XT). Geekbench 6 single-core — the metric most relevant to gaming — records 1,750 vs 2,800, a 46.2% lead for the Ryzen AI Max 385 that directly translates to higher frame rates. Multi-core Geekbench: 10,500 vs 14,000 (28.6% advantage for the Ryzen AI Max 385). L3 cache: 64 MB on the Ryzen 9 3900XT vs 32 MB (total) on the Ryzen AI Max 385.

Feature	Ryzen 9 3900XT	Ryzen AI Max 385
Cores / Threads	12 / 24+50%	8 / 16
Boost Clock	4.7 GHz	5 GHz+6%
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 2 (2020)	Strix Halo (2025)
PassMark	32,512	32,274
Cinebench R23 Multi	18,400+12%	16,500
Geekbench 6 Single	1,750	2,800+60%
Geekbench 6 Multi	10,500	14,000+33%

🧠

Memory & Platform

The Ryzen 9 3900XT 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 3900XT 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 3900XT) vs 4 (Ryzen AI Max 385). PCIe lanes: 24 (Ryzen 9 3900XT) vs 20 (Ryzen AI Max 385) — the Ryzen 9 3900XT offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,X470,B450 (Ryzen 9 3900XT) and Strix Halo platform (Ryzen AI Max 385).

Feature	Ryzen 9 3900XT	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	No	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 3900XT requires a dedicated GPU. Primary use case: Ryzen 9 3900XT targets Workstation / Enthusiast Gaming, Ryzen AI Max 385 targets High-performance AI / Gaming Laptop. Direct competitor: Ryzen 9 3900XT rivals Core i9-10900K; Ryzen AI Max 385 rivals Core Ultra 9 285H.

Feature	Ryzen 9 3900XT	Ryzen AI Max 385
Integrated GPU	No	Yes
IGPU Model	—	Radeon 8050S
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	AMD-V	AMD-V
Target Use	Workstation / Enthusiast Gaming	High-performance AI / Gaming Laptop

💰

Value Analysis

The Ryzen 9 3900XT 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.