Atom Z670 vs Mobile Sempron 3300+

Atom Z670

1 Cores2 Thrd3 WWMax: 1.5 GHz2011

Mobile Sempron 3300+

1 Cores1 Thrd128 WWMax: 2 GHz2005

Performance Spectrum - CPU

Atom Z670

1 / 2

375

0.0%

376

+0.3%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 Z670 is positioned at rank 1095 and the Mobile Sempron 3300+ is on rank 1148, so the Atom Z670 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 Z670

#1083

Atom x5-Z8300

MSRP: $20|Avg: N/A

3128%

#1084

Atom Z3735G

MSRP: $17|Avg: N/A

3082%

#1085

Core i5-480M

MSRP: $81|Avg: $77

2829%

#1086

Core i5-460M

MSRP: $80|Avg: $129

2817%

#1087

Core i5-2540M

MSRP: $266|Avg: $10

2791%

#1089

Core i5-450M

MSRP: $32|Avg: $31

2695%

#1090

Core i3-380M

MSRP: $49|Avg: $25

2584%

#1091

Core i5-430M

MSRP: N/A|Avg: $33

2580%

#1092

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2511%

#1095

Atom Z670

MSRP: N/A|Avg: N/A

100%

#1096

Core i7-2635QM

MSRP: $378|Avg: N/A

100%

#1097

Celeron 877

MSRP: $86|Avg: $15

100%

#1098

Celeron Dual-Core SU2300

MSRP: $134|Avg: $50

99%

#1099

Core i5-3337U

MSRP: $225|Avg: N/A

99%

#1100

Core i5-2450M

MSRP: $225|Avg: N/A

98%

#1101

Core i5-7Y57

MSRP: $281|Avg: $281

98%

#1102

Core i5-7Y54

MSRP: $281|Avg: $100

98%

#1104

Pentium 997

MSRP: $134|Avg: $10

97%

#1105

Pentium A1018

MSRP: $132|Avg: $15

96%

#1106

Core i5-2430M

MSRP: $225|Avg: N/A

96%

#1108

Pentium Dual Core T4500

MSRP: $150|Avg: $30

95%

#1109

Celeron B820

MSRP: $86|Avg: $15

95%

#1110

Pentium B980

MSRP: $125|Avg: $35

94%

Based on actual market prices and performance synthetic scores.

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 Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Atom Z670 (2011) utilizes 45 nm technology and DDR2, providing a fundamental performance advantage.

Insight	Atom Z670	Mobile Sempron 3300+
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Lincroft (2010−2011) / 45 nm)	🛑 Legacy (Roma (2005) / 90 nm)

💎 Value Proposition

The Mobile Sempron 3300+ (2005) relies on 90 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Atom Z670	Mobile Sempron 3300+
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.

Atom Z670 Benchmark Check

Mobile Sempron 3300+ Benchmark Check

Technical Specifications

Side-by-side comparison of Atom Z670 and Mobile Sempron 3300+

Atom Z670

The Atom Z670 is manufactured by Intel. It was released in 11 April 2011 (14 years ago). It is based on the Lincroft (2010−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: T-PBGA518. Thermal design power (TDP): 3 Watt. Memory support: DDR2. Passmark benchmark score: 375 points. Launch price was $75.

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.

⚡

Processing Power

The Atom Z670 packs 1 cores / 2 threads, matching the Mobile Sempron 3300+'s 1 cores. Boost clocks reach 1.5 GHz on the Atom Z670 versus 2 GHz on the Mobile Sempron 3300+ — a 28.6% clock advantage for the Mobile Sempron 3300+. The Atom Z670 uses the Lincroft (2010−2011) architecture (45 nm), while the Mobile Sempron 3300+ uses Roma (2005) (90 nm). In PassMark, the Atom Z670 scores 375 against the Mobile Sempron 3300+'s 376 — a 0.3% lead for the Mobile Sempron 3300+.

Feature	Atom Z670	Mobile Sempron 3300+
Cores / Threads	1 / 2	1 / 1
Boost Clock	1.5 GHz	2 GHz+33%
Base Clock	1.5 GHz	—
L3 Cache	0 kB	—
L2 Cache	512K (per core)+300%	128 kB
Process	45 nm-50%	90 nm
Architecture	Lincroft (2010−2011)	Roma (2005)
PassMark	375	376

🧠

Memory & Platform

The Atom Z670 uses the T-PBGA518 socket (PCIe 2.0), while the Mobile Sempron 3300+ uses 745 (PCIe 2.0) — making them incompatible on the same motherboard.