Core 2 Duo P8400 vs Celeron 7305

CPU

GPU

Core 2 Duo P8400

2 Cores2 Thrd3 WWMax: 2.26 GHz2008

Celeron 7305

5 Cores5 Thrd15 WWMax: 1.1 GHz2022

Performance Spectrum - CPU

Core 2 Duo P8400

2 / 2

2,497

0.0%

2,520

+0.9%

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Core 2 Duo P8400 is positioned at rank 33 and the Celeron 7305 is on rank 890, so the Core 2 Duo P8400 offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Core 2 Duo P8400

#10

Ryzen 7 260

MSRP: $199|Avg: $70

86%

#21

Atom x5-Z8300

MSRP: $20|Avg: N/A

176%

#22

Atom Z3735G

MSRP: $17|Avg: N/A

174%

#23

Core i5-480M

MSRP: $81|Avg: $77

159%

#24

Core i5-460M

MSRP: $80|Avg: $129

159%

#25

Core i5-2540M

MSRP: $266|Avg: $10

157%

#27

Core i5-450M

MSRP: $32|Avg: $31

152%

#28

Core i3-380M

MSRP: $49|Avg: $25

146%

#29

Core i5-430M

MSRP: N/A|Avg: $33

145%

#30

Core 2 Duo T6600

MSRP: N/A|Avg: $4

141%

#33

Core 2 Duo P8400

MSRP: $209|Avg: $10

100%

#38

Core 2 Duo T8100

MSRP: $209|Avg: $10

93%

#39

Atom 330

MSRP: $43|Avg: $30

92%

#43

Core 2 Duo SU7300

MSRP: $289|Avg: N/A

90%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Celeron 7305

#878

Atom x5-Z8300

MSRP: $20|Avg: N/A

1490%

#879

Atom Z3735G

MSRP: $17|Avg: N/A

1468%

#880

Core i5-480M

MSRP: $81|Avg: $77

1348%

#881

Core i5-460M

MSRP: $80|Avg: $129

1342%

#882

Core i5-2540M

MSRP: $266|Avg: $10

1330%

#884

Core i5-450M

MSRP: $32|Avg: $31

1284%

#885

Core i3-380M

MSRP: $49|Avg: $25

1231%

#886

Core i5-430M

MSRP: N/A|Avg: $33

1229%

#887

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1196%

#890

Celeron 7305

MSRP: $128|Avg: $107

100%

#891

E-300

MSRP: $60|Avg: $20

100%

#892

Core i7-7820HK

MSRP: $378|Avg: N/A

99%

#895

Pentium B940

MSRP: $134|Avg: $11

99%

#896

Core i5-8305G

MSRP: $350|Avg: $350

99%

#897

Celeron 6305

MSRP: $107|Avg: $80

99%

#900

Core i7-8705G

MSRP: $400|Avg: $400

97%

#902

Pentium Dual Core T2410

MSRP: $100|Avg: $100

96%

#903

FX-8800P

MSRP: $150|Avg: $45

96%

#904

Core i7-8809G

MSRP: $450|Avg: $450

95%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Celeron 7305 (2022) utilizes Intel 7 nm technology and DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267, providing a fundamental performance advantage.

Insight	Core 2 Duo P8400	Celeron 7305
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($10)	⚠️ Higher cost ($107)
Longevity	🛑 Legacy (Penryn (2008−2011) / 45 nm)	✨ Modern (Alder Lake-U (2022) / Intel 7 nm)

💎 Value Proposition

The Core 2 Duo P8400 (2008) relies on 45 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Core 2 Duo P8400	Celeron 7305
Cost Efficiency	✅ Better overall value (+960%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($10)	⚠️ Higher cost ($107)

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core 2 Duo P8400 Benchmark Check

Celeron 7305 Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo P8400 and Celeron 7305

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.

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.

⚡

Processing Power

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

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

🧠

Memory & Platform

The Core 2 Duo P8400 uses the PGA478 socket (PCIe 1.1), while the Celeron 7305 uses FCBGA1744 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core 2 Duo P8400 versus DDR5-4800 on the Celeron 7305 — the Core 2 Duo P8400 supports 198.1% 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 — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo P8400) vs 20 (Celeron 7305) — the Celeron 7305 offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GM45,GS45,PM45 (Core 2 Duo P8400) and Alder Lake-U (Celeron 7305).

Feature	Core 2 Duo P8400	Celeron 7305
Socket	PGA478	FCBGA1744
PCIe Generation	PCIe 1.1	PCIe 5.0+355%
Max RAM Speed	1066+21220%	DDR5-4800
Max RAM Capacity	8	64 GB+838860700%
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	0	20

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: true (Core 2 Duo P8400) vs VT-x, VT-d (Celeron 7305). 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: Core 2 Duo P8400 rivals Turion II Ultra M600; Celeron 7305 rivals Ryzen 3 7320U.

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

💰

Value Analysis

The Core 2 Duo P8400 launched at $209 MSRP, while the Celeron 7305 debuted at $128. At current prices ($10 vs $107), the Core 2 Duo P8400 is $97 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo P8400 delivers 249.7 pts/$ vs 23.6 pts/$ for the Celeron 7305 — making the Core 2 Duo P8400 the 165.5% better value option.