Core 2 Duo P8400 vs Xeon L5530

Core 2 Duo P8400

2 Cores2 Thrd3 WWMax: 2.26 GHz2008

Xeon L5530

4 Cores8 Thrd60 WWMax: 2.66 GHz2009

Performance Spectrum - CPU

Core 2 Duo P8400

2 / 2

2,497

0.0%

2,522

+1.0%

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.

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 Xeon L5530 is on rank 790, 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 Xeon L5530

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

16481%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

3112%

#10

Xeon 6337P

MSRP: $60|Avg: $5

2765%

#15

EPYC 9174F

MSRP: $194|Avg: $30

2136%

#456

EPYC 9575F

MSRP: $11791|Avg: $9238

99%

#457

EPYC 7642

MSRP: $4775|Avg: $850

99%

#458

EPYC 7573X

MSRP: $5590|Avg: $3580

98%

#459

Xeon Platinum 8568Y+

MSRP: $6497|Avg: $6497

97%

#460

Xeon E5-2686 V3

MSRP: $1500|Avg: $160

96%

#790

Xeon L5530

MSRP: N/A|Avg: N/A

100%

#796

Xeon E-2276M

MSRP: $939|Avg: $124

98%

#797

Xeon W3580

MSRP: $294|Avg: $30

98%

#798

Xeon W3690

MSRP: $583|Avg: $140

98%

#800

Xeon E5-2428L

MSRP: $692|Avg: $42

97%

#803

Opteron 6380

MSRP: $551|Avg: $111

96%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Use Case Distinction: This is a comparison between a Professional Workstation processor ($0) and a Consumer Desktop CPU. The Xeon L5530 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.

Insight	Core 2 Duo P8400	Xeon L5530
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($10)	✅ More affordable ($0)
Longevity	🛑 Legacy (Penryn (2008−2011) / 45 nm)	🛑 Legacy (Gainestown (2009−2010) / 45 nm)

💎 Value Proposition

The Core 2 Duo P8400 ($10), however, is optimized for mixed workloads and gaming. For most users, it offers superior single-thread performance and responsiveness at a fraction of the cost ($10 less, Infinity% cheaper), making it the better choice for daily use and gaming.

Insight	Core 2 Duo P8400	Xeon L5530
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($10)	✅ More affordable ($0)

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

Xeon L5530 Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo P8400 and Xeon L5530

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.

Xeon L5530

The Xeon L5530 is manufactured by Intel. It was released in 2015-01-01. It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 2.66 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 2,522 points. Launch price was $800.

⚡

Processing Power

The Core 2 Duo P8400 packs 2 cores / 2 threads, while the Xeon L5530 offers 4 cores / 8 threads — the Xeon L5530 has 2 more cores. Boost clocks reach 2.26 GHz on the Core 2 Duo P8400 versus 2.66 GHz on the Xeon L5530 — a 16.3% clock advantage for the Xeon L5530 (base: 2.26 GHz vs 2.4 GHz). The Core 2 Duo P8400 uses the Penryn (2008−2011) architecture (45 nm), while the Xeon L5530 uses Gainestown (2009−2010) (45 nm). In PassMark, the Core 2 Duo P8400 scores 2,497 against the Xeon L5530's 2,522 — a 1% lead for the Xeon L5530. L3 cache: 3 MB L2 Cache on the Core 2 Duo P8400 vs 8 MB (total) on the Xeon L5530.

Feature	Core 2 Duo P8400	Xeon L5530
Cores / Threads	2 / 2	4 / 8+100%
Boost Clock	2.26 GHz	2.66 GHz+18%
Base Clock	2.26 GHz	2.4 GHz+6%
L3 Cache	3 MB L2 Cache	8 MB (total)+167%
L2 Cache	3 MB+1100%	256 kB (per core)
Process	45 nm	45 nm
Architecture	Penryn (2008−2011)	Gainestown (2009−2010)
PassMark	2,497	2,522+1%

🧠

Memory & Platform

The Core 2 Duo P8400 uses the PGA478 socket (PCIe 1.1), while the Xeon L5530 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.