Mobile Sempron 3300+ vs Atom E3815

Mobile Sempron 3300+

1 Cores1 Thrd128 WWMax: 2 GHz2005

Atom E3815

1 Cores1 Thrd512 WWMax: 1.47 GHz2013

Performance Spectrum - CPU

Mobile Sempron 3300+

1 / 1

376

+3.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom E3815

1 / 1

365

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 E3815 is on rank 1103, so the Atom E3815 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 E3815

#1091

Atom x5-Z8300

MSRP: $20|Avg: N/A

3214%

#1092

Atom Z3735G

MSRP: $17|Avg: N/A

3166%

#1093

Core i5-480M

MSRP: $81|Avg: $77

2907%

#1094

Core i5-460M

MSRP: $80|Avg: $129

2894%

#1095

Core i5-2540M

MSRP: $266|Avg: $10

2867%

#1097

Core i5-450M

MSRP: $32|Avg: $31

2769%

#1098

Core i3-380M

MSRP: $49|Avg: $25

2655%

#1099

Core i5-430M

MSRP: N/A|Avg: $33

2651%

#1100

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2579%

#1103

Atom E3815

MSRP: N/A|Avg: N/A

100%

#1104

Pentium 997

MSRP: $134|Avg: $10

99%

#1105

Pentium A1018

MSRP: $132|Avg: $15

99%

#1106

Core i5-2430M

MSRP: $225|Avg: N/A

98%

#1108

Pentium Dual Core T4500

MSRP: $150|Avg: $30

98%

#1109

Celeron B820

MSRP: $86|Avg: $15

97%

#1110

Pentium B980

MSRP: $125|Avg: $35

96%

#1111

Celeron 867

MSRP: $86|Avg: $15

96%

#1112

Pentium B970

MSRP: $125|Avg: $39

96%

#1113

Core i5-2410M

MSRP: $225|Avg: N/A

95%

#1114

Pentium T2370

MSRP: $86|Avg: $10

95%

#1115

Pentium N3710

MSRP: $161|Avg: $50

94%

#1116

Core m3-7Y30

MSRP: $281|Avg: $281

94%

#1117

Pentium 977

MSRP: $134|Avg: $10

94%

#1118

Core i7-2715QE

MSRP: $378|Avg: $50

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 E3815 (2013) utilizes 22 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Mobile Sempron 3300+	Atom E3815
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Roma (2005) / 90 nm)	🛑 Legacy (Bay Trail-I (2013) / 22 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	Mobile Sempron 3300+	Atom E3815
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 E3815 Benchmark Check

Technical Specifications

Side-by-side comparison of Mobile Sempron 3300+ and Atom E3815

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 E3815

The Atom E3815 is manufactured by Intel. It was released in 8 October 2013 (12 years ago). It is based on the Bay Trail-I (2013) architecture. It features 1 cores and 1 threads. Max frequency: 1.47 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 512 kB. Memory support: DDR3. Passmark benchmark score: 365 points. Launch price was $134.

⚡

Processing Power

Both the Mobile Sempron 3300+ and Atom E3815 share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Mobile Sempron 3300+ versus 1.47 GHz on the Atom E3815 — a 30.5% clock advantage for the Mobile Sempron 3300+. The Mobile Sempron 3300+ uses the Roma (2005) architecture (90 nm), while the Atom E3815 uses Bay Trail-I (2013) (22 nm). In PassMark, the Mobile Sempron 3300+ scores 376 against the Atom E3815's 365 — a 3% lead for the Mobile Sempron 3300+.

Feature	Mobile Sempron 3300+	Atom E3815
Cores / Threads	1 / 1	1 / 1
Boost Clock	2 GHz+36%	1.47 GHz
L3 Cache	—	0 kB
L2 Cache	128 kB	512 kB (per core)+300%
Process	90 nm	22 nm-76%
Architecture	Roma (2005)	Bay Trail-I (2013)
PassMark	376+3%	365

🧠

Memory & Platform

The Mobile Sempron 3300+ uses the 745 socket (PCIe 2.0), while the Atom E3815 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.