Celeron M 900 vs Pentium 4405U

Celeron M 900

1 Cores1 Thrd1 WWMax: 2.2 GHz2009

Pentium 4405U

2 Cores4 Thrd512 WWMax: 2.1 GHz2015

Performance Spectrum - CPU

Celeron M 900

1 / 1

2,101

0.0%

2,122

+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 Celeron M 900 is positioned at rank 797 and the Pentium 4405U is on rank 528, so the Pentium 4405U 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 Celeron M 900

#785

Atom x5-Z8300

MSRP: $20|Avg: N/A

1201%

#786

Atom Z3735G

MSRP: $17|Avg: N/A

1183%

#787

Core i5-480M

MSRP: $81|Avg: $77

1086%

#788

Core i5-460M

MSRP: $80|Avg: $129

1081%

#789

Core i5-2540M

MSRP: $266|Avg: $10

1072%

#791

Core i5-450M

MSRP: $32|Avg: $31

1035%

#792

Core i3-380M

MSRP: $49|Avg: $25

992%

#793

Core i5-430M

MSRP: N/A|Avg: $33

991%

#794

Core 2 Duo T6600

MSRP: N/A|Avg: $4

964%

#797

Celeron M 900

MSRP: $86|Avg: $10

100%

#799

Celeron B815

MSRP: $86|Avg: $15

100%

#801

Celeron B810

MSRP: $86|Avg: $86

100%

#803

Core i7-1365UE

MSRP: $429|Avg: $429

99%

#805

3020e

MSRP: $100|Avg: $25

98%

#809

Athlon II M320

MSRP: $75|Avg: $15

98%

#810

Celeron B800

MSRP: $80|Avg: $5

98%

#811

Celeron B710

MSRP: $86|Avg: $10

98%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium 4405U

#167

Core Ultra 7 258V

MSRP: $450|Avg: $400

99%

#169

Core i7-1280P

MSRP: $482|Avg: $482

98%

#516

Atom x5-Z8300

MSRP: $20|Avg: N/A

691%

#517

Atom Z3735G

MSRP: $17|Avg: N/A

681%

#518

Core i5-480M

MSRP: $81|Avg: $77

625%

#519

Core i5-460M

MSRP: $80|Avg: $129

623%

#520

Core i5-2540M

MSRP: $266|Avg: $10

617%

#522

Core i5-450M

MSRP: $32|Avg: $31

596%

#523

Core i3-380M

MSRP: $49|Avg: $25

571%

#524

Core i5-430M

MSRP: N/A|Avg: $33

570%

#525

Core 2 Duo T6600

MSRP: N/A|Avg: $4

555%

#528

Pentium 4405U

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 Pentium 4405U (2015) utilizes 14 nm technology and DDR3, DDR4, providing a fundamental performance advantage.

Insight	Celeron M 900	Pentium 4405U
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 (Penryn (2008−2011) / 45 nm)	🛑 Legacy (NetBurst (2000−2006) / 14 nm)

💎 Value Proposition

The Celeron M 900 (2009) relies on 45 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Celeron M 900	Pentium 4405U
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.

Celeron M 900 Benchmark Check

Pentium 4405U Benchmark Check

Technical Specifications

Side-by-side comparison of Celeron M 900 and Pentium 4405U

Celeron M 900

The Celeron M 900 is manufactured by Intel. It was released in 1 April 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 1 MB. Passmark benchmark score: 2,101 points. Launch price was $70.

Pentium 4405U

The Pentium 4405U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,122 points. Launch price was $161.

⚡

Processing Power

The Celeron M 900 packs 1 cores / 1 threads, while the Pentium 4405U offers 2 cores / 4 threads — the Pentium 4405U has 1 more core. Boost clocks reach 2.2 GHz on the Celeron M 900 versus 2.1 GHz on the Pentium 4405U — a 4.7% clock advantage for the Celeron M 900. The Celeron M 900 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium 4405U uses NetBurst (2000−2006) (14 nm). In PassMark, the Celeron M 900 scores 2,101 against the Pentium 4405U's 2,122 — a 1% lead for the Pentium 4405U.

Feature	Celeron M 900	Pentium 4405U
Cores / Threads	1 / 1	2 / 4+100%
Boost Clock	2.2 GHz+5%	2.1 GHz
Base Clock	—	2.1 GHz
L3 Cache	—	2 MB
L2 Cache	1 MB+100%	512 kB
Process	45 nm	14 nm-69%
Architecture	Penryn (2008−2011)	NetBurst (2000−2006)
PassMark	2,101	2,122

🧠

Memory & Platform

The Celeron M 900 uses the PGA478 socket (PCIe 1.1), while the Pentium 4405U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.