Atom Z550 vs Celeron 2.60

CPU

GPU

Atom Z550

1 Cores2 Thrd2.4 WWMax: 2 GHz2009

Celeron 2.60

1 Cores1 Thrd73 WWMax: 2.6 GHz2003

Performance Spectrum - CPU

Atom Z550

1 / 2

375

0.0%

385

+2.7%

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 Z550 is positioned at rank 592 and the Celeron 2.60 is on rank 1045, 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 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 Per Dollar Celeron 2.60

Ryzen 9 7950X

MSRP: $194|Avg: $20

42936%

Core i9-10900T

MSRP: $120|Avg: $5

40570%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

29457%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

8874%

Ryzen 9 9950X

MSRP: $649|Avg: $129

7029%

Ryzen 5 8400F

MSRP: $303|Avg: $55

6149%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

3522%

Ryzen 5 2600X

MSRP: $229|Avg: $55

3476%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

3165%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

3165%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

3129%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

3045%

#13

Core i3-9100E

MSRP: $202|Avg: $30

3002%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

2990%

#15

Core i3-8300T

MSRP: $138|Avg: $25

2963%

#1045

Celeron 2.60

MSRP: $53|Avg: $10

100%

#1046

Core i7-990X

MSRP: $999|Avg: $225

98%

#1047

Phenom X4 9750B

MSRP: $215|Avg: $34

97%

#1048

Core 2 Duo E8200

MSRP: $163|Avg: $20

97%

#1049

Core 2 Quad Q9450

MSRP: $316|Avg: $15

96%

#1050

Core 2 Duo E8600

MSRP: $200|Avg: $95

95%

#1051

Core 2 Duo E6320

MSRP: $163|Avg: $5

94%

#1052

Core i7-980X

MSRP: $999|Avg: $150

94%

#1053

Athlon 64 X2 3600+

MSRP: $150|Avg: $10

94%

#1054

Core 2 Duo E6420

MSRP: $183|Avg: $10

93%

#1055

Pentium D 940

MSRP: $132|Avg: $15

91%

#1056

Phenom X4 9600B

MSRP: $278|Avg: $20

91%

#1057

Phenom II X3 B77

MSRP: $281|Avg: $35

90%

#1058

Core 2 Duo E6300

MSRP: $163|Avg: $5

89%

#1059

Core 2 Duo E6400

MSRP: $183|Avg: $10

88%

#1060

Core 2 Duo E8300

MSRP: $163|Avg: $20

88%

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	Atom Z550	Celeron 2.60
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($10)
Longevity	🛑 Legacy (Silverthorne (2008−2010) / 45 nm)	🛑 Legacy (Northwood (2002−2004) / 130 nm)

💎 Value Proposition

The Celeron 2.60 (2003) relies on 130 nm technology and DDR1, DDR2, placing it in a different performance category relative to modern standards.

Insight	Atom Z550	Celeron 2.60
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($10)

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 Z550 Benchmark Check

Celeron 2.60 Benchmark Check

Technical Specifications

Side-by-side comparison of Atom Z550 and Celeron 2.60

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.

Celeron 2.60

The Celeron 2.60 is manufactured by Intel. It was released in 2007-01-01. It is based on the Northwood (2002−2004) architecture. It features 1 cores and 1 threads. Max frequency: 2.6 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: 385 points. Launch price was $69.

⚡

Processing Power

The Atom Z550 packs 1 cores / 2 threads, matching the Celeron 2.60's 1 cores. Boost clocks reach 2 GHz on the Atom Z550 versus 2.6 GHz on the Celeron 2.60 — a 26.1% clock advantage for the Celeron 2.60. The Atom Z550 uses the Silverthorne (2008−2010) architecture (45 nm), while the Celeron 2.60 uses Northwood (2002−2004) (130 nm). In PassMark, the Atom Z550 scores 375 against the Celeron 2.60's 385 — a 2.6% lead for the Celeron 2.60. Both processors carry 0 kB of L3 cache.

Feature	Atom Z550	Celeron 2.60
Cores / Threads	1 / 2	1 / 1
Boost Clock	2 GHz	2.6 GHz+30%
Base Clock	2 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)+300%	128 kB
Process	45 nm-65%	130 nm
Architecture	Silverthorne (2008−2010)	Northwood (2002−2004)
PassMark	375	385+3%

🧠

Memory & Platform

The Atom Z550 uses the PBGA441 socket (PCIe 2.0), while the Celeron 2.60 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to DDR2-533 memory speed. The Celeron 2.60 supports up to 4 GB of RAM compared to 2 GB — 66.7% more capacity for professional workloads. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: Intel US15W (Atom Z550) and 845,865,915 (Celeron 2.60).

Feature	Atom Z550	Celeron 2.60
Socket	PBGA441	PGA478
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR2-533	DDR2-400
Max RAM Capacity	2 GB	4 GB+100%
RAM Channels	1	1
ECC Support	❌	❌
PCIe Lanes	0	0

🔧

Advanced Features

Virtualization: not specified (Atom Z550) / No (Celeron 2.60). Primary use case: Celeron 2.60 targets Budget. Direct competitor: Celeron 2.60 rivals Pentium 4 2.40.