Mobile Sempron 3300+ vs Atom Z550

Performance Spectrum - CPU

Mobile Sempron 3300+

1 / 1

376

+0.3%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom Z550

1 / 2

375

0.0%

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 Mobile Sempron 3300+ is positioned at rank 1148 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 Mobile Sempron 3300+

#1136

Atom x5-Z8300

MSRP: $20|Avg: N/A

3902%

#1137

Atom Z3735G

MSRP: $17|Avg: N/A

3844%

#1138

Core i5-480M

MSRP: $81|Avg: $77

3529%

#1139

Core i5-460M

MSRP: $80|Avg: $129

3513%

#1140

Core i5-2540M

MSRP: $266|Avg: $10

3481%

#1142

Core i5-450M

MSRP: $32|Avg: $31

3362%

#1143

Core i3-380M

MSRP: $49|Avg: $25

3223%

#1144

Core i5-430M

MSRP: N/A|Avg: $33

3218%

#1145

Core 2 Duo T6600

MSRP: N/A|Avg: $4

3132%

#1148

Mobile Sempron 3300+

MSRP: N/A|Avg: N/A

100%

#1149

Pentium N3540

MSRP: $161|Avg: $161

100%

#1150

Core i7-3555LE

MSRP: $300|Avg: $280

99%

#1151

Core i3-2377M

MSRP: $250|Avg: N/A

98%

#1152

Core 2 Duo E8435

MSRP: $150|Avg: $74

98%

#1153

Celeron M 723

MSRP: $161|Avg: $161

97%

#1154

Core i7-3517UE

MSRP: $330|Avg: $35

96%

#1155

Core M-5Y51

MSRP: $281|Avg: $281

96%

#1156

Pentium N3530

MSRP: $161|Avg: $20

96%

#1157

Core i3-330E

MSRP: $177|Avg: $89

95%

#1159

Core i7-2640M

MSRP: $346|Avg: N/A

94%

#1160

Core M-5Y71

MSRP: $281|Avg: $281

93%

#1162

Core i7-2620M

MSRP: $346|Avg: N/A

93%

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

Performance Analysis: Based on specifications, the Mobile Sempron 3300+ shows stronger theoretical performance metrics.

Insight	Mobile Sempron 3300+	Atom Z550
Gaming	Balanced gaming performance	Balanced gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Roma (2005) / 90 nm)	🛑 Legacy (Silverthorne (2008−2010) / 45 nm)

💎 Value Proposition

Insight	Mobile Sempron 3300+	Atom Z550
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.

Mobile Sempron 3300+ Benchmark Check

Atom Z550 Benchmark Check

Technical Specifications

Side-by-side comparison of Mobile Sempron 3300+ and Atom Z550

Mobile Sempron 3300+

The Mobile Sempron 3300+ is manufactured by AMD. It was released in 1 June 2005 (20 years ago). It is based on the Roma (2005) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 128 kB. Built on 90 nm process technology. Socket: 745. Thermal design power (TDP): 128 kB. Passmark benchmark score: 376 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 Mobile Sempron 3300+ packs 1 cores / 1 threads, matching the Atom Z550's 1 cores. Boost clocks reach 2 GHz on the Mobile Sempron 3300+ versus 2 GHz on the Atom Z550 — identical boost frequencies. The Mobile Sempron 3300+ uses the Roma (2005) architecture (90 nm), while the Atom Z550 uses Silverthorne (2008−2010) (45 nm). In PassMark, the Mobile Sempron 3300+ scores 376 against the Atom Z550's 375 — a 0.3% lead for the Mobile Sempron 3300+.

Feature	Mobile Sempron 3300+	Atom Z550
Cores / Threads	1 / 1	1 / 2
Boost Clock	2 GHz	2 GHz
Base Clock	—	2 GHz
L3 Cache	—	0 kB
L2 Cache	128 kB	512 kB (per core)+300%
Process	90 nm	45 nm-50%
Architecture	Roma (2005)	Silverthorne (2008−2010)
PassMark	376	375

🧠

Memory & Platform

The Mobile Sempron 3300+ uses the 745 socket (PCIe 2.0), while the Atom Z550 uses PBGA441 (PCIe 2.0) — making them incompatible on the same motherboard.