Pentium 4 2.40 vs Atom N455

Pentium 4 2.40

1 Cores1 Thrd110 WWMax: 2.4 GHz2004

Atom N455

1 Cores2 Thrd512 WWMax: 1.67 GHz2010

Performance Spectrum - CPU

Pentium 4 2.40

1 / 1

325

0.0%

345

+6.2%

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 Pentium 4 2.40 is positioned at rank 1108 and the Atom N455 is on rank 633, so the Atom N455 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 4 2.40

Ryzen 9 7950X

MSRP: $194|Avg: $20

185545%

Core i9-10900T

MSRP: $120|Avg: $5

175321%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

127298%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

38349%

Ryzen 9 9950X

MSRP: $649|Avg: $129

30377%

Ryzen 5 8400F

MSRP: $303|Avg: $55

26574%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

15220%

Ryzen 5 2600X

MSRP: $229|Avg: $55

15021%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

13677%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

13676%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

13523%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

13158%

#13

Core i3-9100E

MSRP: $202|Avg: $30

12974%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

12922%

#15

Core i3-8300T

MSRP: $138|Avg: $25

12805%

#1108

Pentium 4 2.40

MSRP: $193|Avg: $193

100%

#1109

Athlon XP 2400+

MSRP: $193|Avg: $10

94%

#1110

Pentium D 950

MSRP: $637|Avg: $10

88%

#1111

Athlon XP 1500+

MSRP: $130|Avg: $15

86%

#1112

Athlon 64 4000+

MSRP: $482|Avg: $30

83%

#1113

Pentium 4 2.66

MSRP: $300|Avg: $300

75%

#1114

Pentium 4 2.80

MSRP: $327|Avg: $25

74%

#1115

Athlon XP 1600+

MSRP: $160|Avg: $15

74%

#1116

Athlon 64 3400+

MSRP: $440|Avg: $20

74%

#1117

Pentium 4 2.26

MSRP: $241|Avg: $20

73%

#1118

Athlon 64 3200+

MSRP: $417|Avg: $10

72%

#1119

Athlon 64 FX-60

MSRP: $1031|Avg: $1000

70%

#1120

Pentium Extreme Edition 965

MSRP: $999|Avg: $100

70%

#1121

Athlon XP 2200+

MSRP: $241|Avg: $30

69%

#1122

Athlon XP 1700+

MSRP: $190|Avg: $15

67%

#1123

Pentium Extreme Edition 955

MSRP: $999|Avg: $50

65%

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 4 2.40	Atom N455
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($193)	✅ More affordable ($0)
Longevity	🛑 Legacy (NetBurst (2000−2006) / 90 nm)	🛑 Legacy (Pinetrail (2009−2011) / 45 nm)

💎 Value Proposition

The Pentium 4 2.40 (2004) relies on 90 nm technology and DDR1, DDR2, placing it in a different performance category relative to modern standards.

Insight	Pentium 4 2.40	Atom N455
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($193)	✅ 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.

Pentium 4 2.40 Benchmark Check

Atom N455 Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Pentium 4 2.40 and Atom N455

Pentium 4 2.40

The Pentium 4 2.40 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2.4 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 90 nm process technology. Socket: PGA478. Thermal design power (TDP): 110 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 325 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 4 2.40 packs 1 cores / 1 threads, matching the Atom N455's 1 cores. Boost clocks reach 2.4 GHz on the Pentium 4 2.40 versus 1.67 GHz on the Atom N455 — a 35.9% clock advantage for the Pentium 4 2.40. The Pentium 4 2.40 uses the NetBurst (2000−2006) architecture (90 nm), while the Atom N455 uses Pinetrail (2009−2011) (45 nm). In PassMark, the Pentium 4 2.40 scores 325 against the Atom N455's 345 — a 6% lead for the Atom N455. Both processors carry 0 kB of L3 cache.

Feature	Pentium 4 2.40	Atom N455
Cores / Threads	1 / 1	1 / 2
Boost Clock	2.4 GHz+44%	1.67 GHz
Base Clock	—	1.66 GHz
L3 Cache	0 kB	0 kB
L2 Cache	1 MB+100%	512K (per core)
Process	90 nm	45 nm-50%
Architecture	NetBurst (2000−2006)	Pinetrail (2009−2011)
PassMark	325	345+6%

🧠

Memory & Platform

The Pentium 4 2.40 uses the PGA478 socket (PCIe 1.1), while the Atom N455 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 400 on the Pentium 4 2.40 versus DDR3-667 on the Atom N455 — the Pentium 4 2.40 supports 197% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Pentium 4 2.40 supports up to 4 of RAM compared to 2 GB — 66.7% more capacity for professional workloads. Both feature 1-channel memory with ECC support. Chipset compatibility: Socket 478 (Pentium 4 2.40) and Intel NM10 (Atom N455).

Feature	Pentium 4 2.40	Atom N455
Socket	PGA478	FCBGA559
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	400+13233%	DDR3-667
Max RAM Capacity	4	2 GB+52428700%
RAM Channels	1	1
ECC Support	❌	❌
PCIe Lanes	—	0

🔧

Advanced Features

Virtualization: false (Pentium 4 2.40) / not specified (Atom N455). The Atom N455 includes integrated graphics (Intel GMA 3150), while the Pentium 4 2.40 requires a dedicated GPU.