Celeron 7305 vs Core 2 Duo P8400

CPU

GPU

Celeron 7305

5 Cores5 Thrd15 WWMax: 1.1 GHz2022

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Core 2 Duo P8400

2 Cores2 Thrd3 WWMax: 2.26 GHz2008

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Celeron 7305 vs Core 2 Duo P8400 Performance Spectrum

Celeron 7305

5 / 5

2,520

+0.9%

2,497

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.

Celeron 7305 vs Core 2 Duo P8400 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 7305 vs Core 2 Duo P8400: Pros, Cons & Final Verdict

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

Celeron 7305

2022

Why buy it

✅Better for gaming: +6.2% higher average FPS across 50 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (8 MB vs 3 MB).
✅Costs $81 less on MSRP ($128 MSRP vs $209 MSRP).
✅Delivers 64.8% more PassMark for each dollar spent, at 19.7 vs 11.9 PassMark/$ ($128 MSRP vs $209 MSRP).
✅Newer platform on FCBGA1744 with DDR5 support instead of PGA478 and older memory support.

Trade-offs

❌400% higher power demand at 15W vs 3W.

Core 2 Duo P8400

2008

Why buy it

✅Draws 3W instead of 15W, a 12W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Celeron 7305 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,497 vs 2,520).
❌Smaller total L3 cache (3 MB vs 8 MB).
❌Lower PassMark per dollar, at 11.9 vs 19.7 PassMark/$ ($209 MSRP vs $128 MSRP).
❌Older platform position on PGA478, while Celeron 7305 moves to FCBGA1744 and DDR5.

Quick Answers

So, is Celeron 7305 better than Core 2 Duo P8400?

Yes. Celeron 7305 is the better all-around CPU here. It gives you a 6.2% average FPS lead across 50 shared CPU game tests in our data, 0.9% 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, Celeron 7305 is the better pick. According to our tests, it delivers 6.2% 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, Celeron 7305 is the stronger fit. You are getting 0.9% better PassMark, backed by 5 cores and 5 threads. It also has the larger cache pool with 166.7% larger total L3 cache (8 MB vs 3 MB).

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

Celeron 7305 is the better buy right now. Celeron 7305 comes in $81 cheaper on MSRP at $128 MSRP versus $209 MSRP, and it still gives you a 6.2% average FPS lead across 50 shared CPU game tests in our data. It is also 64.8% better value on MSRP (19.7 vs 11.9 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Celeron 7305 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2008), a healthier platform with FCBGA1744 and DDR5 instead of PGA478, 166.7% larger total L3 cache (8 MB vs 3 MB), and more multi-core headroom with 5 cores / 5 threads instead of 2/2. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Celeron 7305 vs Core 2 Duo P8400 Technical Specifications

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

Celeron 7305

The Celeron 7305 is manufactured by Intel. It was released in 2007-01-01. It is based on the Alder Lake-U (2022) architecture. It features 5 cores and 5 threads. Max frequency: 1.1 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267. Passmark benchmark score: 2,520 points. Launch price was $69.

Core 2 Duo P8400

The Core 2 Duo P8400 is manufactured by Intel. It was released in 15 July 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.26 GHz, with boost up to 2.26 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,497 points. Launch price was $209.

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Processing Power

The Celeron 7305 packs 5 cores / 5 threads, while the Core 2 Duo P8400 offers 2 cores / 2 threads — the Celeron 7305 has 3 more cores. Boost clocks reach 1.1 GHz on the Celeron 7305 versus 2.26 GHz on the Core 2 Duo P8400 — a 69% clock advantage for the Core 2 Duo P8400. The Celeron 7305 uses the Alder Lake-U (2022) architecture (Intel 7 nm), while the Core 2 Duo P8400 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron 7305 scores 2,520 against the Core 2 Duo P8400's 2,497 — a 0.9% lead for the Celeron 7305. L3 cache: 8 MB (total) on the Celeron 7305 vs 3 MB L2 Cache on the Core 2 Duo P8400.

Feature	Celeron 7305	Core 2 Duo P8400
Cores / Threads	5 / 5+150%	2 / 2
Boost Clock	1.1 GHz	2.26 GHz+105%
Base Clock	—	2.26 GHz
L3 Cache	8 MB (total)+167%	3 MB L2 Cache
L2 Cache	1.25 MB (per core)	3 MB+140%
Process	Intel 7 nm-84%	45 nm
Architecture	Alder Lake-U (2022)	Penryn (2008−2011)
PassMark	2,520	2,497
Cinebench R23 Multi	1,422	—
Geekbench 6 Single	641	—
Geekbench 6 Multi	1,598	—

🧠

Memory & Platform

The Celeron 7305 uses the FCBGA1744 socket (PCIe 5.0), while the Core 2 Duo P8400 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Celeron 7305 versus 1066 on the Core 2 Duo P8400 — the Celeron 7305 supports 350.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 7305 supports up to 64 GB of RAM compared to 8 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Celeron 7305) vs 0 (Core 2 Duo P8400) — the Celeron 7305 offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Alder Lake-U (Celeron 7305) and GM45,GS45,PM45 (Core 2 Duo P8400).

Feature	Celeron 7305	Core 2 Duo P8400
Socket	FCBGA1744	PGA478
PCIe Generation	PCIe 5.0+355%	PCIe 1.1
Max RAM Speed	DDR5-4800+350%	1066
Max RAM Capacity	64 GB+700%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	20	0

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron 7305) vs true (Core 2 Duo P8400). The Celeron 7305 includes integrated graphics (UHD Graphics for 12th Gen), while the Core 2 Duo P8400 requires a dedicated GPU. Primary use case: Celeron 7305 targets Budget. Direct competitor: Celeron 7305 rivals Ryzen 3 7320U; Core 2 Duo P8400 rivals Turion II Ultra M600.

Feature	Celeron 7305	Core 2 Duo P8400
Integrated GPU	Yes	No
IGPU Model	UHD Graphics for 12th Gen	None
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x, VT-d	true
Target Use	Budget	—

💰

Value Analysis

At launch, the Celeron 7305 was priced at $128, while the Core 2 Duo P8400 came in at $209. On launch pricing ($128 vs $209), Celeron 7305 was $81 cheaper. In terms of value on MSRP (PassMark points per dollar), the Celeron 7305 delivers 19.7 pts/$ vs 11.9 pts/$ for the Core 2 Duo P8400 — making the Celeron 7305 the 48.9% better value option.

Feature	Celeron 7305	Core 2 Duo P8400
MSRP	$128-39%	$209
Performance per Dollar	19.7+66%	11.9
Release Date	2022	2008

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