Celeron 2.40 vs Atom Z550

Celeron 2.40

1 Cores1 Thrd73 WWMax: 2.4 GHz2003

Atom Z550

1 Cores2 Thrd2.4 WWMax: 2 GHz2009

Performance Spectrum - CPU

Celeron 2.40

1 / 1

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 Celeron 2.40 is positioned at rank 1072 and the Atom Z550 is on rank 592, so the Atom Z550 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 2.40

Ryzen 9 7950X

MSRP: $194|Avg: $20

62343%

Core i9-10900T

MSRP: $120|Avg: $5

58908%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

42772%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

12885%

Ryzen 9 9950X

MSRP: $649|Avg: $129

10207%

Ryzen 5 8400F

MSRP: $303|Avg: $55

8929%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

5114%

Ryzen 5 2600X

MSRP: $229|Avg: $55

5047%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

4596%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

4595%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

4544%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

4421%

#13

Core i3-9100E

MSRP: $202|Avg: $30

4359%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

4342%

#15

Core i3-8300T

MSRP: $138|Avg: $25

4302%

#1072

Celeron 2.40

MSRP: $69|Avg: $13

100%

#1073

Sempron 2800+

MSRP: $65|Avg: $29

98%

#1074

Athlon 64 3100+

MSRP: $100|Avg: $15

95%

#1075

Sempron 3600+

MSRP: $105|Avg: $20

92%

#1076

Celeron 2.80

MSRP: $100|Avg: $15

86%

#1077

Athlon 64 X2 6000+

MSRP: $450|Avg: $20

81%

#1078

Athlon 64 3600+

MSRP: $149|Avg: $15

80%

#1079

Core 2 Quad Q6700

MSRP: $530|Avg: $50

79%

#1080

Athlon 64 2600+

MSRP: $100|Avg: $5

78%

#1081

Celeron 2.20

MSRP: $79|Avg: $15

77%

#1082

Athlon 64 X2 5200+

MSRP: $420|Avg: $15

72%

#1083

Athlon 64 X2 4000+

MSRP: $328|Avg: $10

72%

#1084

Core i7-975

MSRP: $999|Avg: $50

71%

#1085

Athlon XP 2600+

MSRP: $98|Avg: $10

69%

#1086

Core i7-965

MSRP: $1000|Avg: $40

68%

#1087

Athlon 64 FX-74

MSRP: $499|Avg: $50

66%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom Z550

#184

Core Ultra 7 266V

MSRP: $520|Avg: $520

99%

#580

Atom x5-Z8300

MSRP: $20|Avg: N/A

782%

#581

Atom Z3735G

MSRP: $17|Avg: N/A

771%

#582

Core i5-480M

MSRP: $81|Avg: $77

708%

#583

Core i5-460M

MSRP: $80|Avg: $129

705%

#584

Core i5-2540M

MSRP: $266|Avg: $10

698%

#586

Core i5-450M

MSRP: $32|Avg: $31

674%

#587

Core i3-380M

MSRP: $49|Avg: $25

646%

#588

Core i5-430M

MSRP: N/A|Avg: $33

645%

#589

Core 2 Duo T6600

MSRP: N/A|Avg: $4

628%

#592

Atom Z550

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 Z550 (2009) utilizes 45 nm technology and unknown, providing a fundamental performance advantage.

Insight	Celeron 2.40	Atom Z550
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($13)	✅ More affordable ($0)
Longevity	🛑 Legacy (NetBurst (2000−2006) / 130 nm)	🛑 Legacy (Silverthorne (2008−2010) / 45 nm)

💎 Value Proposition

The Celeron 2.40 (2003) relies on 130 nm technology and DDR1, DDR2, placing it in a different performance category relative to modern standards.

Insight	Celeron 2.40	Atom Z550
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($13)	✅ 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 2.40 Benchmark Check

Atom Z550 Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Celeron 2.40 and Atom Z550

Celeron 2.40

The Celeron 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: 128 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 73 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 345 points. Launch price was $69.

Atom Z550

The Atom Z550 is manufactured by Intel. It was released in 8 April 2009 (16 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 2.4 Watt. Memory support: unknown. Passmark benchmark score: 375 points. Launch price was $69.

⚡

Processing Power

The Celeron 2.40 packs 1 cores / 1 threads, matching the Atom Z550's 1 cores. Boost clocks reach 2.4 GHz on the Celeron 2.40 versus 2 GHz on the Atom Z550 — a 18.2% clock advantage for the Celeron 2.40. The Celeron 2.40 uses the NetBurst (2000−2006) architecture (130 nm), while the Atom Z550 uses Silverthorne (2008−2010) (45 nm). In PassMark, the Celeron 2.40 scores 345 against the Atom Z550's 375 — a 8.3% lead for the Atom Z550. Both processors carry 0 kB of L3 cache.

Feature	Celeron 2.40	Atom Z550
Cores / Threads	1 / 1	1 / 2
Boost Clock	2.4 GHz+20%	2 GHz
Base Clock	—	2 GHz
L3 Cache	0 kB	0 kB
L2 Cache	128 kB	512 kB (per core)+300%
Process	130 nm	45 nm-65%
Architecture	NetBurst (2000−2006)	Silverthorne (2008−2010)
PassMark	345	375+9%
Geekbench 6 Single	150	—
Geekbench 6 Multi	150	—

🧠

Memory & Platform

The Celeron 2.40 uses the PGA478 socket (PCIe 1.1), while the Atom Z550 uses PBGA441 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR1-333 on the Celeron 2.40 versus DDR2-533 on the Atom Z550 — the Atom Z550 supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 2 GB of RAM. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: Intel 845,Intel 865 (Celeron 2.40) and Intel US15W (Atom Z550).

Feature	Celeron 2.40	Atom Z550
Socket	PGA478	PBGA441
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR1-333	DDR2-533+100%
Max RAM Capacity	2 GB	2 GB
RAM Channels	1	1
ECC Support	❌	❌
PCIe Lanes	0	0

🔧

Advanced Features

Virtualization: None (Celeron 2.40) / not specified (Atom Z550). Primary use case: Celeron 2.40 targets Legacy Desktop. Direct competitor: Celeron 2.40 rivals Pentium 4 2.40.