Athlon 64 X2 5400+ vs Celeron 4305U

CPU

GPU

Athlon 64 X2 5400+

2 Cores2 Thrd89 WWMax: 2.8 GHz2006

Similar parts

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Celeron 4305U

2 Cores2 Thrd15 WWMax: 2.2 GHz2019

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Athlon 64 X2 5400+ vs Celeron 4305U Performance Spectrum

Athlon 64 X2 5400+

2 / 2

1,585

+1.5%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Celeron 4305U

2 / 2

1,562

0.0%

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.

Athlon 64 X2 5400+ vs Celeron 4305U 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.

Athlon 64 X2 5400+ vs Celeron 4305U: Pros, Cons & Final Verdict

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

Athlon 64 X2 5400+

2006

Why buy it

✅Better for gaming: +4.2% higher average FPS across 48 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark per dollar, at 3.3 vs 14.6 PassMark/$ ($485 MSRP vs $107 MSRP).
❌493.3% higher power demand at 89W vs 15W.
❌No integrated graphics, while Celeron 4305U can still boot and troubleshoot without a discrete GPU.

Celeron 4305U

2019

Why buy it

✅Costs $378 less on MSRP ($107 MSRP vs $485 MSRP).
✅Delivers 346.7% more PassMark for each dollar spent, at 14.6 vs 3.3 PassMark/$ ($107 MSRP vs $485 MSRP).
✅Draws 15W instead of 89W, a 74W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 610, while Athlon 64 X2 5400+ needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Athlon 64 X2 5400+ across 48 shared CPU benchmark tests.
❌Lower PassMark (1,562 vs 1,585).

Quick Answers

So, is Athlon 64 X2 5400+ better than Celeron 4305U?

Yes. Athlon 64 X2 5400+ is the better all-around CPU here. It gives you a 4.2% average FPS lead across 48 shared CPU game tests in our data and 1.5% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon 64 X2 5400+ is the better pick. According to our tests, it delivers 4.2% more average FPS across 48 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Athlon 64 X2 5400+ is the stronger fit. You are getting 1.5% better PassMark, backed by 2 cores and 2 threads.

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

Athlon 64 X2 5400+ is the easy recommendation for a fresh desktop build. Athlon 64 X2 5400+ comes in 353.3% more expensive on MSRP at $485 MSRP versus $107 MSRP, and it still gives you a 4.2% average FPS lead across 48 shared CPU game tests in our data. Celeron 4305U only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 4.2% in the shared gaming data.

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

Celeron 4305U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2006). That makes it the safer long-term bet.

Athlon 64 X2 5400+ vs Celeron 4305U Technical Specifications

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

Athlon 64 X2 5400+

The Athlon 64 X2 5400+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Windsor (2006−2007) architecture. It features 2 cores and 2 threads. Max frequency: 2.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,585 points. Launch price was $149.

Celeron 4305U

The Celeron 4305U is manufactured by Intel. It was released in 16 April 2019 (6 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2133, LPDDR3-1866. Passmark benchmark score: 1,562 points. Launch price was $107.

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Processing Power

Both the Athlon 64 X2 5400+ and Celeron 4305U share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Athlon 64 X2 5400+ versus 2.2 GHz on the Celeron 4305U — a 24% clock advantage for the Athlon 64 X2 5400+. The Athlon 64 X2 5400+ uses the Windsor (2006−2007) architecture (90 nm), while the Celeron 4305U uses Whiskey Lake-U (2018−2019) (14 nm). In PassMark, the Athlon 64 X2 5400+ scores 1,585 against the Celeron 4305U's 1,562 — a 1.5% lead for the Athlon 64 X2 5400+. L3 cache: 0 kB on the Athlon 64 X2 5400+ vs 2 MB (total) on the Celeron 4305U.

Feature	Athlon 64 X2 5400+	Celeron 4305U
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.8 GHz+27%	2.2 GHz
Base Clock	—	2.2 GHz
L3 Cache	0 kB	2 MB (total)
L2 Cache	512 kB+100%	256 kB (per core)
Process	90 nm	14 nm-84%
Architecture	Windsor (2006−2007)	Whiskey Lake-U (2018−2019)
PassMark	1,585+1%	1,562

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Memory & Platform

The Athlon 64 X2 5400+ uses the AM2 socket (PCIe 1.1), while the Celeron 4305U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Athlon 64 X2 5400+ versus 2133 on the Celeron 4305U — the Celeron 4305U supports 166.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 4305U supports up to 64 GB of RAM compared to 16 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon 64 X2 5400+) vs 16 (Celeron 4305U) — the Celeron 4305U offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM2 (Athlon 64 X2 5400+) and Whiskey Lake-U (Celeron 4305U).

Feature	Athlon 64 X2 5400+	Celeron 4305U
Socket	AM2	FCBGA1528
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR2-800	2133+167%
Max RAM Capacity	16 GB	64 GB+300%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	16

🔧

Advanced Features

Virtualization: not specified (Athlon 64 X2 5400+) / true (Celeron 4305U). The Celeron 4305U includes integrated graphics (Intel UHD Graphics 610), while the Athlon 64 X2 5400+ requires a dedicated GPU. Primary use case: Celeron 4305U targets Budget. Direct competitor: Celeron 4305U rivals Pentium Gold 5405U.

Feature	Athlon 64 X2 5400+	Celeron 4305U
Integrated GPU	No	Yes
IGPU Model	—	Intel UHD Graphics 610
Unlocked	—	No
AVX-512	—	No
Virtualization	—	true
Target Use	—	Budget

💰

Value Analysis

At launch, the Athlon 64 X2 5400+ was priced at $485, while the Celeron 4305U came in at $107. On launch pricing ($485 vs $107), Celeron 4305U was $378 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon 64 X2 5400+ delivers 3.3 pts/$ vs 14.6 pts/$ for the Celeron 4305U — making the Celeron 4305U the 126.8% better value option.

Feature	Athlon 64 X2 5400+	Celeron 4305U
MSRP	$485	$107-78%
Performance per Dollar	3.3	14.6+342%
Release Date	2006	2019

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