Xeon 2.66 vs Pentium M 745

Xeon 2.66

1 Cores1 Thrd89 WWMax: 2.66 GHz2002

Pentium M 745

1 Cores1 Thrd21 WWMax: 1.8 GHz2004

Performance Spectrum - CPU

Xeon 2.66

1 / 1

445

0.0%

Atom 230

Pentium 4 2.26

Pentium M 1.40

Mobile Pentium 4 2.66

465

+4.5%

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 2.66 is positioned at rank 1028 and the Pentium M 745 is on rank 820, so the Pentium M 745 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 2.66

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

157442%

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

29727%

#10

Xeon 6337P

MSRP: $60|Avg: $5

26411%

#15

EPYC 9174F

MSRP: $194|Avg: $30

20403%

#1028

Xeon 2.66

MSRP: $337|Avg: $10

100%

#1029

Xeon X5272

MSRP: $1172|Avg: $76

94%

#1030

Xeon Platinum 8260L

MSRP: $7500|Avg: $750

52%

#1031

Xeon 3.20

MSRP: $851|Avg: $10

52%

#1032

Xeon X5355

MSRP: $4491|Avg: $4000

34%

#1033

Xeon E5420

MSRP: $7214|Avg: $6500

21%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium M 745

#808

Atom x5-Z8300

MSRP: $20|Avg: N/A

1262%

#809

Atom Z3735G

MSRP: $17|Avg: N/A

1243%

#810

Core i5-480M

MSRP: $81|Avg: $77

1142%

#811

Core i5-460M

MSRP: $80|Avg: $129

1136%

#812

Core i5-2540M

MSRP: $266|Avg: $10

1126%

#814

Core i5-450M

MSRP: $32|Avg: $31

1087%

#815

Core i3-380M

MSRP: $49|Avg: $25

1043%

#816

Core i5-430M

MSRP: N/A|Avg: $33

1041%

#817

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1013%

#820

Pentium M 745

MSRP: N/A|Avg: N/A

100%

#824

Celeron Dual-Core T3000

MSRP: $80|Avg: $15

97%

#825

Pentium P6100

MSRP: $100|Avg: $16.39

97%

#827

Celeron M 575

MSRP: $86|Avg: $12

96%

#829

Core i7-10710U

MSRP: $415|Avg: N/A

96%

#835

FX-9830P

MSRP: $150|Avg: $45

95%

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 ($10) and a Consumer Desktop CPU. The Xeon 2.66 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.

Insight	Xeon 2.66	Pentium M 745
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($10)	✅ More affordable ($0)
Longevity	🛑 Legacy (Prestonia (2002) / 130 nm)	🛑 Legacy (Dothan (2004−2005) / 90 nm)

💎 Value Proposition

The Pentium M 745 ($0), 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, 100% cheaper), making it the better choice for daily use and gaming.

Insight	Xeon 2.66	Pentium M 745
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.

Xeon 2.66 Benchmark Check

Pentium M 745 Benchmark Check

Technical Specifications

Side-by-side comparison of Xeon 2.66 and Pentium M 745

Xeon 2.66

The Xeon 2.66 is manufactured by Intel. It was released in 2015-01-01. It is based on the Prestonia (2002) architecture. It features 1 cores and 1 threads. Max frequency: 2.66 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA604. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 445 points. Launch price was $800.

Pentium M 745

The Pentium M 745 is manufactured by Intel. It was released in 2007-01-01. It is based on the Dothan (2004−2005) architecture. It features 1 cores and 1 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: PGA478. Thermal design power (TDP): 7.5 Watt. Memory support: DDR2. Passmark benchmark score: 465 points. Launch price was $69.

⚡

Processing Power

Both the Xeon 2.66 and Pentium M 745 share an identical 1-core/1-thread configuration. Boost clocks reach 2.66 GHz on the Xeon 2.66 versus 1.8 GHz on the Pentium M 745 — a 38.6% clock advantage for the Xeon 2.66. The Xeon 2.66 uses the Prestonia (2002) architecture (130 nm), while the Pentium M 745 uses Dothan (2004−2005) (90 nm). In PassMark, the Xeon 2.66 scores 445 against the Pentium M 745's 465 — a 4.4% lead for the Pentium M 745. Both processors carry 0 kB of L3 cache.

Feature	Xeon 2.66	Pentium M 745
Cores / Threads	1 / 1	1 / 1
Boost Clock	2.66 GHz+48%	1.8 GHz
Base Clock	—	1.8 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512 kB	2 MB+300%
Process	130 nm	90 nm-31%
Architecture	Prestonia (2002)	Dothan (2004−2005)
PassMark	445	465+4%
Geekbench 6 Single	—	100
Geekbench 6 Multi	—	100

🧠

Memory & Platform

The Xeon 2.66 uses the PGA604 socket (PCIe 2.0), while the Pentium M 745 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.