Celeron 2981U vs Ryzen 9 5900X

CPU

GPU

Celeron 2981U

2 Cores2 Thrd512 WWMax: 1.6 GHz2014

Similar parts

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Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Ryzen family

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Celeron 2981U vs Ryzen 9 5900X Performance Spectrum

Celeron 2981U

2 / 2

1,036

0.0%

38,955

+3660.1%

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 2981U 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 2981U 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 2981U

2014

Why buy it

✅Costs $412 less on MSRP ($137 MSRP vs $549 MSRP).
✅Integrated graphics onboard with HD Graphics (Haswell), while Ryzen 9 5900X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 40 shared CPU benchmark tests.
❌Lower PassMark (1,036 vs 38,955).
❌Smaller total L3 cache (2 MB vs 64 MB).
❌Lower PassMark per dollar, at 7.6 vs 71.0 PassMark/$ ($137 MSRP vs $549 MSRP).
❌387.6% higher power demand at 512W vs 105W.

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +1028.0% higher average FPS across 40 shared CPU benchmark tests.
✅+3100% larger total L3 cache (64 MB vs 2 MB).
✅Delivers 838.3% more PassMark for each dollar spent, at 71.0 vs 7.6 PassMark/$ ($549 MSRP vs $137 MSRP).
✅Draws 105W instead of 512W, a 407W reduction.
✅100% more PCIe lanes (24 vs 12) for storage and expansion-heavy builds.

Trade-offs

❌
300.7% HIGHER MSRP
$549 MSRPvs$137 MSRP
❌No integrated graphics, while Celeron 2981U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 5900X better than Celeron 2981U?

Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 1028.0% average FPS lead across 40 shared CPU game tests in our data, 3660.1% better 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 1028.0% more average FPS across 40 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 3660.1% better PassMark, 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 300.7% more expensive on MSRP at $549 MSRP versus $137 MSRP, and it still gives you a 1028.0% average FPS lead across 40 shared CPU game tests in our data. It is also 838.3% better value on MSRP (71.0 vs 7.6 PassMark/$), 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 2014), 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 2981U vs Ryzen 9 5900X Technical Specifications

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

Celeron 2981U

The Celeron 2981U is manufactured by Intel. It was released in 2007-01-01. It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,036 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 2981U 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 1.6 GHz on the Celeron 2981U versus 4.8 GHz on the Ryzen 9 5900X — a 100% clock advantage for the Ryzen 9 5900X (base: 1.6 GHz vs 3.7 GHz). The Celeron 2981U uses the Haswell (2013−2015) architecture (22 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Celeron 2981U scores 1,036 against the Ryzen 9 5900X's 38,955 — a 189.6% lead for the Ryzen 9 5900X. L3 cache: 2 MB on the Celeron 2981U vs 64 MB on the Ryzen 9 5900X.

Feature	Celeron 2981U	Ryzen 9 5900X
Cores / Threads	2 / 2	12 / 24+500%
Boost Clock	1.6 GHz	4.8 GHz+200%
Base Clock	1.6 GHz	3.7 GHz+131%
L3 Cache	2 MB	64 MB+3100%
L2 Cache	512 kB	512K (per core)
Process	22 nm	7 nm, 12 nm-68%
Architecture	Haswell (2013−2015)	Vermeer (Zen3) (2020−2022)
PassMark	1,036	38,955+3660%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

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Memory & Platform

The Celeron 2981U uses the FCBGA1168 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 DDR3L-1600 on the Celeron 2981U versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 100% 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 16 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Celeron 2981U) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Wildcat Point-LP (Celeron 2981U) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Celeron 2981U	Ryzen 9 5900X
Socket	FCBGA1168	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR3L-1600	DDR4-3200+100%
Max RAM Capacity	16 GB	128 GB+700%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	12	24+100%

🔧

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 2981U) vs AMD-V (Ryzen 9 5900X). The Celeron 2981U includes integrated graphics (HD Graphics (Haswell)), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Celeron 2981U targets Budget, Ryzen 9 5900X targets Workstation. Direct competitor: Celeron 2981U rivals Pentium 2117U; Ryzen 9 5900X rivals Core i9-12900K.

Feature	Celeron 2981U	Ryzen 9 5900X
Integrated GPU	Yes	No
IGPU Model	HD Graphics (Haswell)	—
Unlocked	No	Yes
AVX-512	No	No
Virtualization	VT-x	AMD-V
Target Use	Budget	Workstation

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Value Analysis

At launch, the Celeron 2981U was priced at $137, while the Ryzen 9 5900X came in at $549. On launch pricing ($137 vs $549), Celeron 2981U was $412 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron 2981U delivers 7.6 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 161.5% better value option.

Feature	Celeron 2981U	Ryzen 9 5900X
MSRP	$137-75%	$549
Performance per Dollar	7.6	71.0+834%
Release Date	2014	2020

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