Celeron 4305UE vs Ryzen 9 5900X

CPU

GPU

Celeron 4305UE

2 Cores2 Thrd15 WWMax: 2 GHz2018

Similar parts

·······

Buy on Amazon

Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Ryzen family

·······

Buy on Amazon

Celeron 4305UE vs Ryzen 9 5900X Performance Spectrum

Celeron 4305UE

2 / 2

1,699

0.0%

38,955

+2192.8%

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 4305UE 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 4305UE 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 4305UE

2018

Why buy it

✅Costs $442 less on MSRP ($107 MSRP vs $549 MSRP).
✅Draws 15W instead of 105W, a 90W 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 (1,065 vs 11,888).
❌Smaller total L3 cache (2 MB vs 64 MB).
❌Lower PassMark per dollar, at 15.9 vs 71.0 PassMark/$ ($107 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +592.5% higher average FPS across 50 shared CPU benchmark tests.
✅+3100% larger total L3 cache (64 MB vs 2 MB).
✅Delivers 346.9% more PassMark for each dollar spent, at 71.0 vs 15.9 PassMark/$ ($549 MSRP vs $107 MSRP).
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
413.1% HIGHER MSRP
$549 MSRPvs$107 MSRP
❌600% higher power demand at 105W vs 15W.
❌No integrated graphics, while Celeron 4305UE can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 5900X better than Celeron 4305UE?

Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 592.5% average FPS lead across 50 shared CPU game tests in our data, 1016.2% better Geekbench multi-core, 2192.8% 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 592.5% 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 1016.2% better Geekbench multi-core, backed by 12 cores and 24 threads. It also has the larger cache pool with 3100% larger total L3 cache (64 MB vs 2 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 $107 MSRP, and it still gives you a 592.5% average FPS lead across 50 shared CPU game tests in our data. It is also 346.9% better value on MSRP (71.0 vs 15.9 PassMark/$), 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 a newer CPU generation (2020 vs 2018), 3100% larger total L3 cache (64 MB vs 2 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 4305UE vs Ryzen 9 5900X Technical Specifications

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

Celeron 4305UE

The Celeron 4305UE is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 2 threads. Max frequency: 2 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 10 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,699 points. Launch price was $107.

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 Celeron 4305UE 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 2 GHz on the Celeron 4305UE versus 4.8 GHz on the Ryzen 9 5900X — a 82.4% clock advantage for the Ryzen 9 5900X. The Celeron 4305UE uses the Whiskey Lake-U (2018−2019) architecture (10 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Celeron 4305UE scores 1,699 against the Ryzen 9 5900X's 38,955 — a 183.3% lead for the Ryzen 9 5900X. Geekbench 6 single-core — the metric most relevant to gaming — records 670 vs 2,174, a 105.8% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 1,065 vs 11,888 (167.1% advantage for the Ryzen 9 5900X). L3 cache: 2 MB (total) on the Celeron 4305UE vs 64 MB on the Ryzen 9 5900X.

Feature	Celeron 4305UE	Ryzen 9 5900X
Cores / Threads	2 / 2	12 / 24+500%
Boost Clock	2 GHz	4.8 GHz+140%
Base Clock	—	3.7 GHz
L3 Cache	2 MB (total)	64 MB+3100%
L2 Cache	256 kB (per core)	512K (per core)+100%
Process	10 nm	7 nm, 12 nm-30%
Architecture	Whiskey Lake-U (2018−2019)	Vermeer (Zen3) (2020−2022)
PassMark	1,699	38,955+2193%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	670	2,174+224%
Geekbench 6 Multi	1,065	11,888+1016%

🧠

Memory & Platform

The Celeron 4305UE uses the FCBGA1528 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 DDR4-2133 on the Celeron 4305UE versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. 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: 16 (Celeron 4305UE) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Whiskey Lake (Celeron 4305UE) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Celeron 4305UE	Ryzen 9 5900X
Socket	FCBGA1528	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2133	DDR4-3200+50%
Max RAM Capacity	64 GB	128 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	24+50%

🔧

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, EPT (Celeron 4305UE) vs AMD-V (Ryzen 9 5900X). The Celeron 4305UE includes integrated graphics (UHD Graphics 610), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Celeron 4305UE targets Budget, Ryzen 9 5900X targets Workstation. Direct competitor: Celeron 4305UE rivals Athlon Silver 3050GE; Ryzen 9 5900X rivals Core i9-12900K.

Feature	Celeron 4305UE	Ryzen 9 5900X
Integrated GPU	Yes	No
IGPU Model	UHD Graphics 610	—
Unlocked	No	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d, EPT	AMD-V
Target Use	Budget	Workstation

💰

Value Analysis

At launch, the Celeron 4305UE was priced at $107, while the Ryzen 9 5900X came in at $549. On launch pricing ($107 vs $549), Celeron 4305UE was $442 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron 4305UE delivers 15.9 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 126.9% better value option.

Feature	Celeron 4305UE	Ryzen 9 5900X
MSRP	$107-81%	$549
Performance per Dollar	15.9	71.0+347%
Release Date	2018	2020

Search Celeron 4305UE on Amazon

Search Ryzen 9 5900X on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.