Celeron G5905 vs Ryzen 9 5900X

CPU

GPU

Celeron G5905

2 Cores2 Thrd58 WW2020

Similar parts

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Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Ryzen family

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Celeron G5905 vs Ryzen 9 5900X Performance Spectrum

Celeron G5905

2 / 2

2,760

0.0%

38,955

+1311.4%

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

About PassMark

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.

Celeron G5905 vs Ryzen 9 5900X FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Celeron G5905 vs Ryzen 9 5900X: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Celeron G5905

2020

Why buy it

✅Draws 58W instead of 105W, a 47W reduction.
✅Integrated graphics onboard with UHD Graphics 610, while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (1,242 vs 11,888).
❌Smaller total L3 cache (4 MB vs 64 MB).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +354.1% higher average FPS across 50 shared CPU benchmark tests.
✅+1500% larger total L3 cache (64 MB vs 4 MB).
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $549 MSRP, while Celeron G5905 mostly shows up through inconsistent older-market listings.
❌81% higher power demand at 105W vs 58W.
❌No integrated graphics, while Celeron G5905 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 5900X better than Celeron G5905?

Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 354.1% average FPS lead across 50 shared CPU game tests in our data, 857.2% better Geekbench multi-core, 1311.4% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5900X is the better pick. According to our tests, it delivers 354.1% 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 5900X is the stronger fit. You are getting 857.2% better Geekbench multi-core, backed by 12 cores and 24 threads. It also has 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 better buy right now. Ryzen 9 5900X comes in at an unclear MSRP at $549 MSRP versus unclear MSRP, and it still gives you a 354.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (71.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Celeron G5905 can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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

Ryzen 9 5900X makes more sense long term for 2026 and beyond. You are getting 1500% larger total L3 cache (64 MB vs 4 MB) and more multi-core headroom with 12 cores / 24 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Celeron G5905 vs Ryzen 9 5900X Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Celeron G5905

The Celeron G5905 is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 3.5 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 2,760 points. Launch price was $69.

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.

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Processing Power

The Celeron G5905 packs 2 cores / 2 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 10 more cores. The Ryzen 9 5900X is built on the Vermeer (Zen3) (2020−2022) architecture. In PassMark, the Celeron G5905 scores 2,760 against the Ryzen 9 5900X's 38,955 — a 173.5% lead for the Ryzen 9 5900X. Geekbench 6 single-core — the metric most relevant to gaming — records 724 vs 2,174, a 100.1% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 1,242 vs 11,888 (162.2% advantage for the Ryzen 9 5900X). L3 cache: 4 MB Intel® Smart Cache on the Celeron G5905 vs 64 MB on the Ryzen 9 5900X.

Feature	Celeron G5905	Ryzen 9 5900X
Cores / Threads	2 / 2	12 / 24+500%
Boost Clock	—	4.8 GHz
Base Clock	3.5 GHz	3.7 GHz+6%
L3 Cache	4 MB Intel® Smart Cache	64 MB+1500%
L2 Cache	—	512K (per core)
Process	14 nm	7 nm, 12 nm-50%
Architecture	—	Vermeer (Zen3) (2020−2022)
PassMark	2,760	38,955+1311%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	724	2,174+200%
Geekbench 6 Multi	1,242	11,888+857%

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Memory & Platform

The Celeron G5905 uses the LGA1200 socket (PCIe 3.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Celeron G5905 versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron G5905) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Celeron G5905) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Celeron G5905	Ryzen 9 5900X
Socket	LGA1200	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR4-3200+20%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	16	24+50%

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Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Celeron G5905) vs AMD-V (Ryzen 9 5900X). The Celeron G5905 includes integrated graphics (UHD Graphics 610), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Celeron G5905 targets Budget, Ryzen 9 5900X targets Workstation. Direct competitor: Celeron G5905 rivals Pentium Gold G6405; Ryzen 9 5900X rivals Core i9-12900K.