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 5 5600

2022

Why buy it

✅Costs $300 less on MSRP ($199 MSRP vs $499 MSRP).
✅Delivers 76.7% more PassMark for each dollar spent, at 108.3 vs 61.3 PassMark/$ ($199 MSRP vs $499 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900 across 4 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (11,077 vs 17,700).
❌Smaller total L3 cache (32 MB vs 64 MB).

Ryzen 9 3900

2019

Why buy it

✅Better for gaming: +13.9% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).

Trade-offs

❌Lower PassMark per dollar, at 61.3 vs 108.3 PassMark/$ ($499 MSRP vs $199 MSRP).

Ryzen 5 5600

2022

Ryzen 9 3900

2019

Why buy it

✅Costs $300 less on MSRP ($199 MSRP vs $499 MSRP).
✅Delivers 76.7% more PassMark for each dollar spent, at 108.3 vs 61.3 PassMark/$ ($199 MSRP vs $499 MSRP).

Why buy it

✅Better for gaming: +13.9% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 3900 across 4 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (11,077 vs 17,700).
❌Smaller total L3 cache (32 MB vs 64 MB).

Trade-offs

❌Lower PassMark per dollar, at 61.3 vs 108.3 PassMark/$ ($499 MSRP vs $199 MSRP).

Quick Answers

So, is Ryzen 9 3900 better than Ryzen 5 5600?

Yes. Ryzen 9 3900 is the better overall CPU here. You are getting a 13.9% average FPS lead across 4 shared CPU game tests in our data, 59.8% better Cinebench R23 multi-core, and 41.9% higher PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 3900 is the better pick here. According to our tests, it delivers 13.9% 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 3900 is the better fit. You are getting 59.8% 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 3900 is still the faster CPU overall, but Ryzen 5 5600 makes more sense if price matters more than absolute performance. Ryzen 9 3900 is 150.8% more expensive on MSRP at $499 MSRP versus $199 MSRP, and it gives you a 13.9% average FPS lead across 4 shared CPU game tests in our data. Ryzen 5 5600 is also 76.7% better value on MSRP (108.3 vs 61.3 PassMark/$), 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 5 5600 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2019). That makes it the safer long-term pick.

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 5 5600 Benchmark Check

Ryzen 9 3900 Benchmark Check

Path of Exile 2

Preset	Ryzen 5 5600	Ryzen 9 3900
1080p
low	161 FPS	159 FPS
medium	130 FPS	130 FPS
high	112 FPS	111 FPS
ultra	93 FPS	92 FPS
1440p
low	141 FPS	144 FPS
medium	113 FPS	115 FPS
high	95 FPS	94 FPS
ultra	78 FPS	78 FPS
4K
low	79 FPS	78 FPS
medium	69 FPS	67 FPS
high	55 FPS	53 FPS
ultra	44 FPS	43 FPS

Open Ryzen 5 5600 Open Ryzen 9 3900

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 5600	Ryzen 9 3900
1080p
low	508 FPS	534 FPS
medium	419 FPS	470 FPS
high	351 FPS	384 FPS
ultra	310 FPS	342 FPS
1440p
low	447 FPS	460 FPS
medium	375 FPS	411 FPS
high	323 FPS	347 FPS
ultra	277 FPS	289 FPS
4K
low	313 FPS	288 FPS
medium	268 FPS	261 FPS
high	243 FPS	238 FPS
ultra	209 FPS	213 FPS

Open Ryzen 5 5600 Open Ryzen 9 3900

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 5600	Ryzen 9 3900
1080p
low	539 FPS	709 FPS
medium	526 FPS	589 FPS
high	483 FPS	536 FPS
ultra	414 FPS	472 FPS
1440p
low	539 FPS	541 FPS
medium	434 FPS	448 FPS
high	396 FPS	401 FPS
ultra	339 FPS	347 FPS
4K
low	371 FPS	394 FPS
medium	298 FPS	315 FPS
high	255 FPS	279 FPS
ultra	197 FPS	224 FPS

Open Ryzen 5 5600 Open Ryzen 9 3900

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 5600	Ryzen 9 3900
1080p
low	539 FPS	765 FPS
medium	539 FPS	765 FPS
high	539 FPS	711 FPS
ultra	539 FPS	638 FPS
1440p
low	539 FPS	725 FPS
medium	539 FPS	644 FPS
high	539 FPS	553 FPS
ultra	493 FPS	486 FPS
4K
low	501 FPS	516 FPS
medium	448 FPS	469 FPS
high	398 FPS	411 FPS
ultra	349 FPS	360 FPS

Open Ryzen 5 5600 Open Ryzen 9 3900

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 5600 and Ryzen 9 3900

Ryzen 5 5600

The Ryzen 5 5600 is manufactured by AMD. It was released in 20 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 21,550 points. Launch price was $299.

Ryzen 9 3900

The Ryzen 9 3900 is manufactured by AMD. It was released in 24 September 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 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 30,588 points. Launch price was $499.

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Processing Power

The Ryzen 5 5600 packs 6 cores / 12 threads, while the Ryzen 9 3900 offers 12 cores / 24 threads — the Ryzen 9 3900 has 6 more cores. Boost clocks reach 4.4 GHz on the Ryzen 5 5600 versus 4.3 GHz on the Ryzen 9 3900 — a 2.3% clock advantage for the Ryzen 5 5600 (base: 3.5 GHz vs 3.1 GHz). The Ryzen 5 5600 uses the Vermeer (2020−2025) architecture (7 nm), while the Ryzen 9 3900 uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Ryzen 5 5600 scores 21,550 against the Ryzen 9 3900's 30,588 — a 34.7% lead for the Ryzen 9 3900. Cinebench R23 multi-core: 11,077 vs 17,700 (46% advantage for the Ryzen 9 3900). Geekbench 6 single-core — the metric most relevant to gaming — records 2,052 vs 1,713, a 18% lead for the Ryzen 5 5600 that directly translates to higher frame rates. Multi-core Geekbench: 8,600 vs 10,983 (24.3% advantage for the Ryzen 9 3900). L3 cache: 32 MB (total) on the Ryzen 5 5600 vs 64 MB on the Ryzen 9 3900.

Feature	Ryzen 5 5600	Ryzen 9 3900
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	4.4 GHz+2%	4.3 GHz
Base Clock	3.5 GHz+13%	3.1 GHz
L3 Cache	32 MB (total)	64 MB+100%
L2 Cache	512K (per core)	512 kB (per core)
Process	7 nm	7 nm, 12 nm
Architecture	Vermeer (2020−2025)	Matisse (Zen 2) (2019−2020)
PassMark	21,550	30,588+42%
Cinebench R23 Multi	11,077	17,700+60%
Geekbench 6 Single	2,052+20%	1,713
Geekbench 6 Multi	8,600	10,983+28%

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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: B550,X570,B450,X470,A520 (Ryzen 5 5600) and X570,B550,X470,B450 (Ryzen 9 3900).

Feature	Ryzen 5 5600	Ryzen 9 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	No
PCIe Lanes	24	24

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AMD-V virtualization. Primary use case: Ryzen 5 5600 targets Desktop, Ryzen 9 3900 targets Workstation Desktop (low power). Direct competitor: Ryzen 9 3900 rivals Core i9-9900.

Feature	Ryzen 5 5600	Ryzen 9 3900
Integrated GPU	No	No
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	AMD-V	AMD-V
Target Use	Desktop	Workstation Desktop (low power)

💰

Value Analysis

The Ryzen 5 5600 launched at $199 MSRP, while the Ryzen 9 3900 debuted at $499. On MSRP ($199 vs $499), the Ryzen 5 5600 is $300 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 5 5600 delivers 108.3 pts/$ vs 61.3 pts/$ for the Ryzen 9 3900 — making the Ryzen 5 5600 the 55.4% better value option.