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 3 2300X

2018

Why buy it

✅Costs $420 less on MSRP ($129 MSRP vs $549 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 4 shared CPU benchmark tests.
❌Lower PassMark (7,564 vs 38,955).
❌Smaller total L3 cache (4 MB vs 64 MB).
❌Lower PassMark per dollar, at 58.6 vs 71.0 PassMark/$ ($129 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +200.3% higher average FPS across 4 shared CPU benchmark tests.
✅+1500% larger total L3 cache (64 MB vs 4 MB).
✅Delivers 21.0% more PassMark for each dollar spent, at 71.0 vs 58.6 PassMark/$ ($549 MSRP vs $129 MSRP).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌
325.6% HIGHER MSRP
$549 MSRPvs$129 MSRP
❌61.5% higher power demand at 105W vs 65W.

Ryzen 3 2300X

2018

Ryzen 9 5900X

2020

Why buy it

✅Costs $420 less on MSRP ($129 MSRP vs $549 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.

Why buy it

✅Better for gaming: +200.3% higher average FPS across 4 shared CPU benchmark tests.
✅+1500% larger total L3 cache (64 MB vs 4 MB).
✅Delivers 21.0% more PassMark for each dollar spent, at 71.0 vs 58.6 PassMark/$ ($549 MSRP vs $129 MSRP).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 4 shared CPU benchmark tests.
❌Lower PassMark (7,564 vs 38,955).
❌Smaller total L3 cache (4 MB vs 64 MB).
❌Lower PassMark per dollar, at 58.6 vs 71.0 PassMark/$ ($129 MSRP vs $549 MSRP).

Trade-offs

❌
325.6% HIGHER MSRP
$549 MSRPvs$129 MSRP
❌61.5% higher power demand at 105W vs 65W.

Quick Answers

So, is Ryzen 9 5900X better than Ryzen 3 2300X?

Yes. Ryzen 9 5900X is the better overall CPU here. You are getting a 200.3% average FPS lead across 4 shared CPU game tests in our data, 415% better 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 200.3% 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 415% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 1500% larger total L3 cache (64 MB vs 4 MB).

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

Ryzen 9 5900X is the smarter buy today. Ryzen 9 5900X is 325.6% more expensive on MSRP at $549 MSRP versus $129 MSRP, and it gives you a 200.3% average FPS lead across 4 shared CPU game tests in our data. It is also 21.0% better value on MSRP (71.0 vs 58.6 PassMark/$), 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 2018), 1500% larger total L3 cache (64 MB vs 4 MB), and more multi-core headroom with 12 cores / 24 threads instead of 4/4. 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 3 2300X Benchmark Check

Ryzen 9 5900X Benchmark Check

Path of Exile 2

Preset	Ryzen 3 2300X	Ryzen 9 5900X
1080p
low	180 FPS	323 FPS
medium	156 FPS	291 FPS
high	127 FPS	243 FPS
ultra	100 FPS	193 FPS
1440p
low	150 FPS	307 FPS
medium	125 FPS	248 FPS
high	99 FPS	192 FPS
ultra	77 FPS	157 FPS
4K
low	66 FPS	193 FPS
medium	59 FPS	156 FPS
high	46 FPS	115 FPS
ultra	36 FPS	103 FPS

Open Ryzen 3 2300X Open Ryzen 9 5900X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 3 2300X	Ryzen 9 5900X
1080p
low	189 FPS	772 FPS
medium	189 FPS	647 FPS
high	189 FPS	508 FPS
ultra	164 FPS	450 FPS
1440p
low	189 FPS	619 FPS
medium	172 FPS	536 FPS
high	160 FPS	443 FPS
ultra	140 FPS	364 FPS
4K
low	151 FPS	365 FPS
medium	130 FPS	318 FPS
high	107 FPS	289 FPS
ultra	86 FPS	255 FPS

Open Ryzen 3 2300X Open Ryzen 9 5900X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 3 2300X	Ryzen 9 5900X
1080p
low	189 FPS	832 FPS
medium	189 FPS	645 FPS
high	189 FPS	558 FPS
ultra	189 FPS	459 FPS
1440p
low	189 FPS	721 FPS
medium	189 FPS	565 FPS
high	189 FPS	488 FPS
ultra	189 FPS	407 FPS
4K
low	189 FPS	511 FPS
medium	189 FPS	421 FPS
high	189 FPS	374 FPS
ultra	156 FPS	308 FPS

Open Ryzen 3 2300X Open Ryzen 9 5900X

League of Legends

League of Legends

Valorant

Preset	Ryzen 3 2300X	Ryzen 9 5900X
1080p
low	189 FPS	974 FPS
medium	189 FPS	974 FPS
high	189 FPS	934 FPS
ultra	189 FPS	826 FPS
1440p
low	189 FPS	959 FPS
medium	189 FPS	843 FPS
high	189 FPS	726 FPS
ultra	189 FPS	617 FPS
4K
low	189 FPS	694 FPS
medium	189 FPS	621 FPS
high	189 FPS	541 FPS
ultra	189 FPS	437 FPS

Open Ryzen 3 2300X Open Ryzen 9 5900X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 3 2300X and Ryzen 9 5900X

Ryzen 3 2300X

The Ryzen 3 2300X is manufactured by AMD. It was released in 1 August 2018 (7 years ago). It is based on the Zen+ (2018−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 4.2 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 7,564 points. Launch price was $149.

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.

⚡

Processing Power

The Ryzen 3 2300X packs 4 cores / 4 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 8 more cores. Boost clocks reach 4.2 GHz on the Ryzen 3 2300X versus 4.8 GHz on the Ryzen 9 5900X — a 13.3% clock advantage for the Ryzen 9 5900X (base: 3.5 GHz vs 3.7 GHz). The Ryzen 3 2300X uses the Zen+ (2018−2019) architecture (14 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Ryzen 3 2300X scores 7,564 against the Ryzen 9 5900X's 38,955 — a 135% lead for the Ryzen 9 5900X. L3 cache: 4 MB (total) on the Ryzen 3 2300X vs 64 MB on the Ryzen 9 5900X.

Feature	Ryzen 3 2300X	Ryzen 9 5900X
Cores / Threads	4 / 4	12 / 24+200%
Boost Clock	4.2 GHz	4.8 GHz+14%
Base Clock	3.5 GHz	3.7 GHz+6%
L3 Cache	4 MB (total)	64 MB+1500%
L2 Cache	512K (per core)	512K (per core)
Process	14 nm	7 nm, 12 nm-50%
Architecture	Zen+ (2018−2019)	Vermeer (Zen3) (2020−2022)
PassMark	7,564	38,955+415%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

🧠

Memory & Platform

Both processors use the AM4 socket with PCIe 3.0.

Feature	Ryzen 3 2300X	Ryzen 9 5900X
Socket	AM4	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	—	DDR4-3200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	24

🔧

Advanced Features

Virtualization: not specified (Ryzen 3 2300X) / AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.

Feature	Ryzen 3 2300X	Ryzen 9 5900X
Integrated GPU	—	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Workstation

💰

Value Analysis

The Ryzen 3 2300X launched at $129 MSRP, while the Ryzen 9 5900X debuted at $549. On MSRP ($129 vs $549), the Ryzen 3 2300X is $420 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 3 2300X delivers 58.6 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 19% better value option.