Atom N455 vs Pentium M 1.50

Atom N455

1 Cores2 Thrd512 WWMax: 1.67 GHz2010

Pentium M 1.50

1 Cores1 Thrd24 WWMax: 1.5 GHz2003

Performance Spectrum - CPU

Atom N455

1 / 2

345

0.0%

375

+8.7%

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 Atom N455 is positioned at rank 633 and the Pentium M 1.50 is on rank 227, 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 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 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 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	Atom N455	Pentium M 1.50
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Pinetrail (2009−2011) / 45 nm)	🛑 Legacy (Banias (2003) / 130 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	Atom N455	Pentium M 1.50
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.

Atom N455 Benchmark Check

Pentium M 1.50 Benchmark Check

Technical Specifications

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

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.

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.

⚡

Processing Power

The Atom N455 packs 1 cores / 2 threads, matching the Pentium M 1.50's 1 cores. Boost clocks reach 1.67 GHz on the Atom N455 versus 1.5 GHz on the Pentium M 1.50 — a 10.7% clock advantage for the Atom N455. The Atom N455 uses the Pinetrail (2009−2011) architecture (45 nm), while the Pentium M 1.50 uses Banias (2003) (130 nm). In PassMark, the Atom N455 scores 345 against the Pentium M 1.50's 375 — a 8.3% lead for the Pentium M 1.50. Both processors carry 0 kB of L3 cache.

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

🧠

Memory & Platform

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