Xeon E5405 vs Core 2 Duo T5750

CPU

GPU

Xeon E5405

4 Cores4 Thrd80 WWMax: 2 GHz2007

Core 2 Duo T5750

2 Cores2 Thrd2 WWMax: 2 GHz2008

Performance Spectrum - CPU

Xeon E5405

4 / 4

1,753

+0.9%

Celeron P4600

Celeron Dual-Core T3100

1,738

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.

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 Xeon E5405 is positioned at rank 906 and the Core 2 Duo T5750 is on rank 28, so the Core 2 Duo T5750 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 Xeon E5405

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

24770%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

4677%

#10

Xeon 6337P

MSRP: $60|Avg: $5

4155%

#15

EPYC 9174F

MSRP: $194|Avg: $30

3210%

#508

Xeon E7-8895 v2

MSRP: $6841|Avg: $65

100%

#509

EPYC 9754

MSRP: $11900|Avg: $10631

99%

#509

EPYC 9684X

MSRP: $14756|Avg: $14756

99%

#511

Xeon D-1587

MSRP: $1652|Avg: $1443

98%

#512

Xeon E5-2687W v4

MSRP: $2141|Avg: $1138

98%

#513

Xeon W-3265

MSRP: $3684|Avg: $3400

97%

#514

Xeon E5-2658A V3

MSRP: $1832|Avg: $200

97%

#515

Xeon E5-4640 v4

MSRP: $2837|Avg: N/A

95%

#516

Xeon E7-8867 v3

MSRP: $4672|Avg: $4672

94%

#517

Xeon Gold 6150

MSRP: $3358|Avg: $196

94%

#906

Xeon E5405

MSRP: $209|Avg: $15

100%

#907

Xeon E5-2440

MSRP: $728|Avg: $249

100%

#916

Xeon E5-2650L

MSRP: $748|Avg: $129

96%

#918

Xeon E5410

MSRP: $256|Avg: $20

95%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Duo T5750

#16

Atom x5-Z8300

MSRP: $20|Avg: N/A

169%

#17

Atom Z3735G

MSRP: $17|Avg: N/A

166%

#18

Core i5-480M

MSRP: $81|Avg: $77

153%

#19

Core i5-460M

MSRP: $80|Avg: $129

152%

#20

Core i5-2540M

MSRP: $266|Avg: $10

151%

#22

Core i5-450M

MSRP: $32|Avg: $31

145%

#23

Core i3-380M

MSRP: $49|Avg: $25

139%

#24

Core i5-430M

MSRP: N/A|Avg: $33

139%

#25

Core 2 Duo T6600

MSRP: N/A|Avg: $4

136%

#28

Core 2 Duo T5750

MSRP: N/A|Avg: $8

100%

#29

Core 2 Duo T7200

MSRP: $286|Avg: $6

99%

#30

Core i5-3230M

MSRP: $225|Avg: $13

98%

#31

Atom D525

MSRP: $63|Avg: N/A

98%

#32

Atom x7835RE

MSRP: $127|Avg: N/A

98%

#33

Core 2 Duo P8400

MSRP: $209|Avg: $10

96%

#38

Core 2 Duo T8100

MSRP: $209|Avg: $10

89%

#39

Atom 330

MSRP: $43|Avg: $30

88%

#43

Core 2 Duo SU7300

MSRP: $289|Avg: N/A

86%

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 ($15) and a Consumer Desktop CPU. The Xeon E5405 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.

Insight	Xeon E5405	Core 2 Duo T5750
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($15)	✅ More affordable ($8)
Longevity	🛑 Legacy (Harpertown (2007−2008) / 45 nm)	🛑 Legacy (Merom (2006−2008) / 65 nm)

💎 Value Proposition

The Core 2 Duo T5750 ($8), 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 ($7 less, 47% cheaper), making it the better choice for daily use and gaming.

Insight	Xeon E5405	Core 2 Duo T5750
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+86%)
Upfront Cost	⚠️ Higher cost ($15)	✅ More affordable ($8)

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.

Xeon E5405 Benchmark Check

Core 2 Duo T5750 Benchmark Check

Technical Specifications

Side-by-side comparison of Xeon E5405 and Core 2 Duo T5750

Xeon E5405

The Xeon E5405 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,753 points. Launch price was $209.

Core 2 Duo T5750

The Core 2 Duo T5750 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,738 points. Launch price was $249.

⚡

Processing Power

The Xeon E5405 packs 4 cores / 4 threads, while the Core 2 Duo T5750 offers 2 cores / 2 threads — the Xeon E5405 has 2 more cores. Boost clocks reach 2 GHz on the Xeon E5405 versus 2 GHz on the Core 2 Duo T5750 — identical boost frequencies (base: 2 GHz vs 2 GHz). The Xeon E5405 uses the Harpertown (2007−2008) architecture (45 nm), while the Core 2 Duo T5750 uses Merom (2006−2008) (65 nm). In PassMark, the Xeon E5405 scores 1,753 against the Core 2 Duo T5750's 1,738 — a 0.9% lead for the Xeon E5405. L3 cache: 12 MB L2 Cache on the Xeon E5405 vs 2 MB L2 Cache on the Core 2 Duo T5750.

Feature	Xeon E5405	Core 2 Duo T5750
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	2 GHz	2 GHz
Base Clock	2 GHz	2 GHz
L3 Cache	12 MB L2 Cache+500%	2 MB L2 Cache
L2 Cache	6 MB (total)+200%	2 MB
Process	45 nm-31%	65 nm
Architecture	Harpertown (2007−2008)	Merom (2006−2008)
PassMark	1,753	1,738
Geekbench 6 Single	—	360
Geekbench 6 Multi	—	680

🧠

Memory & Platform

The Xeon E5405 uses the LGA771 socket (PCIe 2.0), while the Core 2 Duo T5750 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to DDR2-667 memory speed. The Xeon E5405 supports up to 32 GB of RAM compared to 4 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes.

Feature	Xeon E5405	Core 2 Duo T5750
Socket	LGA771	PGA478
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR2-667	DDR2-667
Max RAM Capacity	32 GB+700%	4 GB
RAM Channels	2	2
ECC Support	✅	❌
PCIe Lanes	0	0

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x (Xeon E5405) vs None (Core 2 Duo T5750). Primary use case: Xeon E5405 targets Server, Core 2 Duo T5750 targets Legacy Laptop.

Feature	Xeon E5405	Core 2 Duo T5750
Integrated GPU	No	No
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x	None
Target Use	Server	Legacy Laptop

💰

Value Analysis

At current prices ($15 vs $8), the Core 2 Duo T5750 is $7 cheaper. In terms of value (PassMark points per dollar), the Xeon E5405 delivers 116.9 pts/$ vs 217.3 pts/$ for the Core 2 Duo T5750 — making the Core 2 Duo T5750 the 60.1% better value option.