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 5900X

2020

Why buy it

✅Better for gaming: +12.6% higher average FPS across 4 shared CPU benchmark tests.
✅Delivers 13.3% more PassMark for each dollar spent, at 71.0 vs 62.6 PassMark/$ ($549 MSRP vs $499 MSRP).

Trade-offs

❌
10% HIGHER MSRP
$549 MSRPvs$499 MSRP
❌61.5% higher power demand at 105W vs 65W.
❌No boxed cooler included, unlike Ryzen 9 PRO 3900.

Ryzen 9 PRO 3900

2019

Why buy it

✅Costs $50 less on MSRP ($499 MSRP vs $549 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Includes a boxed cooler (Wraith Prism), unlike Ryzen 9 5900X.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 4 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (17,500 vs 21,000).
❌Lower PassMark per dollar, at 62.6 vs 71.0 PassMark/$ ($499 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Ryzen 9 PRO 3900

2019

Why buy it

✅Better for gaming: +12.6% higher average FPS across 4 shared CPU benchmark tests.
✅Delivers 13.3% more PassMark for each dollar spent, at 71.0 vs 62.6 PassMark/$ ($549 MSRP vs $499 MSRP).

Why buy it

✅Costs $50 less on MSRP ($499 MSRP vs $549 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Includes a boxed cooler (Wraith Prism), unlike Ryzen 9 5900X.

Trade-offs

❌
10% HIGHER MSRP
$549 MSRPvs$499 MSRP
❌61.5% higher power demand at 105W vs 65W.
❌No boxed cooler included, unlike Ryzen 9 PRO 3900.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 4 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (17,500 vs 21,000).
❌Lower PassMark per dollar, at 62.6 vs 71.0 PassMark/$ ($499 MSRP vs $549 MSRP).

Quick Answers

So, is Ryzen 9 5900X better than Ryzen 9 PRO 3900?

Yes. Ryzen 9 5900X is the better overall CPU here. You are getting a 12.6% average FPS lead across 4 shared CPU game tests in our data, 20% better Cinebench R23 multi-core, 24.7% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5900X is the better pick here. According to our tests, it delivers 12.6% 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 9 5900X is the better fit. You are getting 20% better Cinebench R23 multi-core, backed by 12 cores and 24 threads.

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

Ryzen 9 5900X is the smarter buy today. Ryzen 9 5900X is 10.0% more expensive on MSRP at $549 MSRP versus $499 MSRP, and it gives you a 12.6% average FPS lead across 4 shared CPU game tests in our data. It is also 13.3% better value on MSRP (71.0 vs 62.6 PassMark/$), 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 5900X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2019) and more multi-core headroom with 12 cores / 24 threads instead of 12/24. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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 5900X Benchmark Check

Ryzen 9 PRO 3900 Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Ryzen 9 PRO 3900
1080p
low	323 FPS	188 FPS
medium	291 FPS	150 FPS
high	243 FPS	122 FPS
ultra	193 FPS	99 FPS
1440p
low	307 FPS	156 FPS
medium	248 FPS	121 FPS
high	192 FPS	96 FPS
ultra	157 FPS	80 FPS
4K
low	193 FPS	83 FPS
medium	156 FPS	69 FPS
high	115 FPS	54 FPS
ultra	103 FPS	44 FPS

Open Ryzen 9 5900X Open Ryzen 9 PRO 3900

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Ryzen 9 PRO 3900
1080p
low	772 FPS	589 FPS
medium	647 FPS	510 FPS
high	508 FPS	414 FPS
ultra	450 FPS	368 FPS
1440p
low	619 FPS	506 FPS
medium	536 FPS	446 FPS
high	443 FPS	374 FPS
ultra	364 FPS	312 FPS
4K
low	365 FPS	317 FPS
medium	318 FPS	283 FPS
high	289 FPS	256 FPS
ultra	255 FPS	229 FPS

Open Ryzen 9 5900X Open Ryzen 9 PRO 3900

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Ryzen 9 PRO 3900
1080p
low	832 FPS	781 FPS
medium	645 FPS	690 FPS
high	558 FPS	615 FPS
ultra	459 FPS	539 FPS
1440p
low	721 FPS	664 FPS
medium	565 FPS	540 FPS
high	488 FPS	481 FPS
ultra	407 FPS	419 FPS
4K
low	511 FPS	471 FPS
medium	421 FPS	370 FPS
high	374 FPS	327 FPS
ultra	308 FPS	264 FPS

Open Ryzen 9 5900X Open Ryzen 9 PRO 3900

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Ryzen 9 PRO 3900
1080p
low	974 FPS	781 FPS
medium	974 FPS	781 FPS
high	934 FPS	781 FPS
ultra	826 FPS	706 FPS
1440p
low	959 FPS	781 FPS
medium	843 FPS	710 FPS
high	726 FPS	609 FPS
ultra	617 FPS	538 FPS
4K
low	694 FPS	574 FPS
medium	621 FPS	516 FPS
high	541 FPS	452 FPS
ultra	437 FPS	398 FPS

Open Ryzen 9 5900X Open Ryzen 9 PRO 3900

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Ryzen 9 PRO 3900

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 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: 38,955 points. Launch price was $549.

Ryzen 9 PRO 3900

The Ryzen 9 PRO 3900 is manufactured by AMD. It was released in 30 September 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 6 MB. Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 31,251 points. Launch price was $499.

⚡

Processing Power

Both the Ryzen 9 5900X and Ryzen 9 PRO 3900 share an identical 12-core/24-thread configuration. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 4.3 GHz on the Ryzen 9 PRO 3900 — a 11% clock advantage for the Ryzen 9 5900X (base: 3.7 GHz vs 3.1 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 9 PRO 3900 uses Zen 2 (2017−2020) (7 nm, 12 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Ryzen 9 PRO 3900's 31,251 — a 21.9% lead for the Ryzen 9 5900X. Cinebench R23 multi-core: 21,000 vs 17,500 (18.2% advantage for the Ryzen 9 5900X). Geekbench 6 single-core — the metric most relevant to gaming — records 2,174 vs 1,688, a 25.2% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 11,888 vs 10,000 (17.3% advantage for the Ryzen 9 5900X). Both processors carry 64 MB of L3 cache.

Feature	Ryzen 9 5900X	Ryzen 9 PRO 3900
Cores / Threads	12 / 24	12 / 24
Boost Clock	4.8 GHz+12%	4.3 GHz
Base Clock	3.7 GHz+19%	3.1 GHz
L3 Cache	64 MB	64 MB
L2 Cache	512K (per core)	6 MB+1100%
Process	7 nm, 12 nm	7 nm, 12 nm
Architecture	Vermeer (Zen3) (2020−2022)	Zen 2 (2017−2020)
PassMark	38,955+25%	31,251
Cinebench R23 Multi	21,000+20%	17,500
Geekbench 6 Single	2,174+29%	1,688
Geekbench 6 Multi	11,888+19%	10,000

🧠

Memory & Platform

Both processors use the AM4 socket with PCIe 4.0. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 24 PCIe lanes. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and X570,B550,X470,B450 (Ryzen 9 PRO 3900).

Feature	Ryzen 9 5900X	Ryzen 9 PRO 3900
Socket	AM4	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR4-3200
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	24	24

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AMD-V virtualization. Primary use case: Ryzen 9 5900X targets Workstation, Ryzen 9 PRO 3900 targets Professional Content Creation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Ryzen 9 PRO 3900 rivals Core i9-10900.

Feature	Ryzen 9 5900X	Ryzen 9 PRO 3900
Integrated GPU	No	No
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	AMD-V	AMD-V
Target Use	Workstation	Professional Content Creation

💰

Value Analysis

The Ryzen 9 5900X launched at $549 MSRP, while the Ryzen 9 PRO 3900 debuted at $499. On MSRP ($549 vs $499), the Ryzen 9 PRO 3900 is $50 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 62.6 pts/$ for the Ryzen 9 PRO 3900 — making the Ryzen 9 5900X the 12.5% better value option.