Celeron 6305 vs Ryzen 9 5900X

CPU

GPU

Celeron 6305

2 Cores2 Thrd2.5 WWMax: 1.8 GHz2020

Similar parts

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Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Ryzen family

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Celeron 6305 vs Ryzen 9 5900X Performance Spectrum

Celeron 6305

2 / 2

2,077

0.0%

38,955

+1775.5%

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 6305 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 6305 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 6305

2020

Why buy it

✅Costs $442 less on MSRP ($107 MSRP vs $549 MSRP).
✅Draws 3W instead of 105W, a 103W reduction.
✅Integrated graphics onboard with UHD Graphics for 11th Gen, 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 (1,236 vs 11,888).
❌Smaller total L3 cache (4 MB vs 64 MB).
❌Lower PassMark per dollar, at 19.4 vs 71.0 PassMark/$ ($107 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +469.7% higher average FPS across 50 shared CPU benchmark tests.
✅+1500% larger total L3 cache (64 MB vs 4 MB).
✅Delivers 265.5% more PassMark for each dollar spent, at 71.0 vs 19.4 PassMark/$ ($549 MSRP vs $107 MSRP).
✅500% more PCIe lanes (24 vs 4) for storage and expansion-heavy builds.

Trade-offs

❌
413.1% HIGHER MSRP
$549 MSRPvs$107 MSRP
❌4100% higher power demand at 105W vs 2.5W.
❌No integrated graphics, while Celeron 6305 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 5900X better than Celeron 6305?

Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 469.7% average FPS lead across 50 shared CPU game tests in our data, 861.8% better Geekbench multi-core, 1775.5% 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 469.7% 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 861.8% 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 413.1% more expensive on MSRP at $549 MSRP versus $107 MSRP, and it still gives you a 469.7% average FPS lead across 50 shared CPU game tests in our data. It is also 265.5% better value on MSRP (71.0 vs 19.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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 6305 vs Ryzen 9 5900X Technical Specifications

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

Celeron 6305

The Celeron 6305 is manufactured by Intel. It was released in 2007-01-01. It is based on the Tiger Lake-U (2020−2021) architecture. It features 2 cores and 2 threads. Max frequency: 1.8 GHz. L3 cache: 4 MB. L2 cache: 2.5 MB. Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 2.5 MB + 4 MB. Memory support: DDR4. Passmark benchmark score: 2,077 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 6305 packs 2 cores / 2 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 10 more cores. Boost clocks reach 1.8 GHz on the Celeron 6305 versus 4.8 GHz on the Ryzen 9 5900X — a 90.9% clock advantage for the Ryzen 9 5900X. The Celeron 6305 uses the Tiger Lake-U (2020−2021) architecture (10 nm SuperFin), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Celeron 6305 scores 2,077 against the Ryzen 9 5900X's 38,955 — a 179.8% lead for the Ryzen 9 5900X. Geekbench 6 single-core — the metric most relevant to gaming — records 744 vs 2,174, a 98% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 1,236 vs 11,888 (162.3% advantage for the Ryzen 9 5900X). L3 cache: 4 MB on the Celeron 6305 vs 64 MB on the Ryzen 9 5900X.

Feature	Celeron 6305	Ryzen 9 5900X
Cores / Threads	2 / 2	12 / 24+500%
Boost Clock	1.8 GHz	4.8 GHz+167%
Base Clock	—	3.7 GHz
L3 Cache	4 MB	64 MB+1500%
L2 Cache	2.5 MB	512K (per core)+20380%
Process	10 nm SuperFin	7 nm, 12 nm-30%
Architecture	Tiger Lake-U (2020−2021)	Vermeer (Zen3) (2020−2022)
PassMark	2,077	38,955+1776%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	744	2,174+192%
Geekbench 6 Multi	1,236	11,888+862%

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Memory & Platform

The Celeron 6305 uses the FCBGA1449 socket (PCIe 4.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 64 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Celeron 6305) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Tiger Lake-U (Celeron 6305) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Celeron 6305	Ryzen 9 5900X
Socket	FCBGA1449	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR4-3200
Max RAM Capacity	64 GB	128 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	4	24+500%

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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, VT-d (Celeron 6305) vs AMD-V (Ryzen 9 5900X). The Celeron 6305 includes integrated graphics (UHD Graphics for 11th Gen), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Celeron 6305 targets Budget, Ryzen 9 5900X targets Workstation. Direct competitor: Celeron 6305 rivals Pentium Gold 7505; Ryzen 9 5900X rivals Core i9-12900K.

Feature	Celeron 6305	Ryzen 9 5900X
Integrated GPU	Yes	No
IGPU Model	UHD Graphics for 11th Gen	—
Unlocked	No	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d	AMD-V
Target Use	Budget	Workstation

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Value Analysis

At launch, the Celeron 6305 was priced at $107, while the Ryzen 9 5900X came in at $549. On launch pricing ($107 vs $549), Celeron 6305 was $442 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron 6305 delivers 19.4 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 114.1% better value option.

Feature	Celeron 6305	Ryzen 9 5900X
MSRP	$107-81%	$549
Performance per Dollar	19.4	71.0+266%
Release Date	2020	2020

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