Mobile Sempron 3300+ vs Pentium 4 2.66

Performance Spectrum - CPU

Mobile Sempron 3300+

1 / 1

376

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium 4 2.66

1 / 1

378

+0.5%

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 Pentium 4 2.66 is on rank 1113, so the Pentium 4 2.66 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 Pentium 4 2.66

#1

Ryzen 9 7950X

MSRP: $194|Avg: $20

247393%

#2

Core i9-10900T

MSRP: $120|Avg: $5

233762%

#3

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

169730%

#4

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

51133%

#5

Ryzen 9 9950X

MSRP: $649|Avg: $129

40502%

#6

Ryzen 5 8400F

MSRP: $303|Avg: $55

35432%

#7

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

20294%

#8

Ryzen 5 2600X

MSRP: $229|Avg: $55

20029%

#9

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

18237%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

18235%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

18031%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

17544%

#13

Core i3-9100E

MSRP: $202|Avg: $30

17299%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

17229%

#15

Core i3-8300T

MSRP: $138|Avg: $25

17073%

#1113

Pentium 4 2.66

MSRP: $300|Avg: $300

100%

#1114

Pentium 4 2.80

MSRP: $327|Avg: $25

99%

#1115

Athlon XP 1600+

MSRP: $160|Avg: $15

99%

#1116

Athlon 64 3400+

MSRP: $440|Avg: $20

98%

#1117

Pentium 4 2.26

MSRP: $241|Avg: $20

97%

#1118

Athlon 64 3200+

MSRP: $417|Avg: $10

96%

#1119

Athlon 64 FX-60

MSRP: $1031|Avg: $1000

93%

#1120

Pentium Extreme Edition 965

MSRP: $999|Avg: $100

93%

#1121

Athlon XP 2200+

MSRP: $241|Avg: $30

92%

#1122

Athlon XP 1700+

MSRP: $190|Avg: $15

89%

#1123

Pentium Extreme Edition 955

MSRP: $999|Avg: $50

87%

#1124

Athlon XP 2700+

MSRP: $349|Avg: $20

82%

#1125

Athlon XP 2800+

MSRP: $375|Avg: $35

80%

#1126

Pentium III 1200

MSRP: $200|Avg: $10

78%

#1127

Athlon XP 3200+

MSRP: $464|Avg: $40

76%

#1128

Pentium 4 2.60

MSRP: $401|Avg: $25

72%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Pentium 4 2.66 delivers superior performance across the board. It outperforms the Mobile Sempron 3300+ in both compute-intensive tasks (0.5% faster) and gaming workloads.

Insight	Mobile Sempron 3300+	Pentium 4 2.66
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($300)
Longevity	🛑 Legacy (Roma (2005) / 90 nm)	🛑 Legacy (NetBurst (2000−2006) / 130 nm)

💎 Value Proposition

Insight	Mobile Sempron 3300+	Pentium 4 2.66
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($300)

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

Pentium 4 2.66 Benchmark Check

Technical Specifications

Side-by-side comparison of Mobile Sempron 3300+ and Pentium 4 2.66

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.

Pentium 4 2.66

The Pentium 4 2.66 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: 2.66 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 110 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 378 points. Launch price was $69.

⚡

Processing Power

Both the Mobile Sempron 3300+ and Pentium 4 2.66 share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Mobile Sempron 3300+ versus 2.66 GHz on the Pentium 4 2.66 — a 28.3% clock advantage for the Pentium 4 2.66. The Mobile Sempron 3300+ uses the Roma (2005) architecture (90 nm), while the Pentium 4 2.66 uses NetBurst (2000−2006) (130 nm). In PassMark, the Mobile Sempron 3300+ scores 376 against the Pentium 4 2.66's 378 — a 0.5% lead for the Pentium 4 2.66.

Feature	Mobile Sempron 3300+	Pentium 4 2.66
Cores / Threads	1 / 1	1 / 1
Boost Clock	2 GHz	2.66 GHz+33%
L3 Cache	—	0 kB
L2 Cache	128 kB	512 kB+300%
Process	90 nm-31%	130 nm
Architecture	Roma (2005)	NetBurst (2000−2006)
PassMark	376	378

🧠

Memory & Platform

The Mobile Sempron 3300+ uses the 745 socket (PCIe 2.0), while the Pentium 4 2.66 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.