Pentium M 1.50 vs Atom N455

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 Pentium M 1.50 is positioned at rank 227 and the Atom N455 is on rank 633, so the Pentium M 1.50 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 Pentium M 1.50

#215

Atom x5-Z8300

MSRP: $20|Avg: N/A

391%

#216

Atom Z3735G

MSRP: $17|Avg: N/A

385%

#217

Core i5-480M

MSRP: $81|Avg: $77

354%

#218

Core i5-460M

MSRP: $80|Avg: $129

352%

#219

Core i5-2540M

MSRP: $266|Avg: $10

349%

#221

Core i5-450M

MSRP: $32|Avg: $31

337%

#222

Core i3-380M

MSRP: $49|Avg: $25

323%

#223

Core i5-430M

MSRP: N/A|Avg: $33

323%

#224

Core 2 Duo T6600

MSRP: N/A|Avg: $4

314%

#227

Pentium M 1.50

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom N455

#187

Core Ultra 9 288V

MSRP: $600|Avg: $600

98%

#188

Core i7-10870H

MSRP: $417|Avg: N/A

98%

#621

Atom x5-Z8300

MSRP: $20|Avg: N/A

850%

#622

Atom Z3735G

MSRP: $17|Avg: N/A

838%

#623

Core i5-480M

MSRP: $81|Avg: $77

769%

#624

Core i5-460M

MSRP: $80|Avg: $129

766%

#625

Core i5-2540M

MSRP: $266|Avg: $10

759%

#627

Core i5-450M

MSRP: $32|Avg: $31

733%

#628

Core i3-380M

MSRP: $49|Avg: $25

703%

#629

Core i5-430M

MSRP: N/A|Avg: $33

701%

#630

Core 2 Duo T6600

MSRP: N/A|Avg: $4

683%

#633

Atom N455

MSRP: N/A|Avg: N/A

100%

#638

Celeron Dual-Core T1400

MSRP: $80|Avg: $10

99%

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 Atom N455 (2010) utilizes 45 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Pentium M 1.50	Atom N455
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Banias (2003) / 130 nm)	🛑 Legacy (Pinetrail (2009−2011) / 45 nm)

💎 Value Proposition

The Pentium M 1.50 (2003) relies on 130 nm technology and DDR1, DDR2, placing it in a different performance category relative to modern standards.

Insight	Pentium M 1.50	Atom N455
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

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.

Pentium M 1.50 Benchmark Check

Atom N455 Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium M 1.50 and Atom N455

Pentium M 1.50

The Pentium M 1.50 is manufactured by Intel. It was released in 2007-01-01. It is based on the Banias (2003) architecture. It features 1 cores and 1 threads. Max frequency: 1.5 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 24 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 375 points. Launch price was $69.

Atom N455

The Atom N455 is manufactured by Intel. It was released in 1 June 2010 (15 years ago). It is based on the Pinetrail (2009−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.66 GHz, with boost up to 1.67 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 6.5 Watt. Memory support: DDR3. Passmark benchmark score: 345 points. Launch price was $64.

⚡

Processing Power

The Pentium M 1.50 packs 1 cores / 1 threads, matching the Atom N455's 1 cores. Boost clocks reach 1.5 GHz on the Pentium M 1.50 versus 1.67 GHz on the Atom N455 — a 10.7% clock advantage for the Atom N455. The Pentium M 1.50 uses the Banias (2003) architecture (130 nm), while the Atom N455 uses Pinetrail (2009−2011) (45 nm). In PassMark, the Pentium M 1.50 scores 375 against the Atom N455's 345 — a 8.3% lead for the Pentium M 1.50. Both processors carry 0 kB of L3 cache.

Feature	Pentium M 1.50	Atom N455
Cores / Threads	1 / 1	1 / 2
Boost Clock	1.5 GHz	1.67 GHz+11%
Base Clock	—	1.66 GHz
L3 Cache	0 kB	0 kB
L2 Cache	1 MB+100%	512K (per core)
Process	130 nm	45 nm-65%
Architecture	Banias (2003)	Pinetrail (2009−2011)
PassMark	375+9%	345

🧠

Memory & Platform

The Pentium M 1.50 uses the PGA478 socket (PCIe 1.1), while the Atom N455 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard.