Mobile Sempron SI-42 vs Athlon 64 2000+

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 SI-42 is positioned at rank 1175 and the Athlon 64 2000+ is on rank 1088, so the Athlon 64 2000+ 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 SI-42

#1163

Atom x5-Z8300

MSRP: $20|Avg: N/A

4419%

#1164

Atom Z3735G

MSRP: $17|Avg: N/A

4354%

#1165

Core i5-480M

MSRP: $81|Avg: $77

3997%

#1166

Core i5-460M

MSRP: $80|Avg: $129

3979%

#1167

Core i5-2540M

MSRP: $266|Avg: $10

3942%

#1169

Core i5-450M

MSRP: $32|Avg: $31

3807%

#1170

Core i3-380M

MSRP: $49|Avg: $25

3651%

#1171

Core i5-430M

MSRP: N/A|Avg: $33

3645%

#1172

Core 2 Duo T6600

MSRP: N/A|Avg: $4

3547%

#1175

Mobile Sempron SI-42

MSRP: N/A|Avg: N/A

100%

#1176

Core i7-2637M

MSRP: $289|Avg: N/A

98%

#1177

Athlon PRO 3045B

MSRP: $426|Avg: $180

98%

#1178

Core 2 Duo SL9600

MSRP: $316|Avg: N/A

98%

#1179

Core 2 Duo T5600

MSRP: $241|Avg: N/A

97%

#1180

Pentium N3510

MSRP: $161|Avg: $161

97%

#1181

Core i7-7Y75

MSRP: $393|Avg: $285

97%

#1183

Core i7-4500U

MSRP: $398|Avg: N/A

94%

#1185

Athlon Neo X2 L325

MSRP: $100|Avg: $5

93%

#1186

Core i3-2370M

MSRP: $225|Avg: N/A

92%

#1187

Core i3-3217UE

MSRP: $225|Avg: $35

91%

#1188

Celeron T3000

MSRP: $150|Avg: $54

91%

#1189

Core m7-6Y75

MSRP: $393|Avg: $393

91%

#1190

Core M-5Y10

MSRP: $281|Avg: $20

88%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Athlon 64 2000+

#1

Ryzen 9 7950X

MSRP: $194|Avg: $20

94459%

#2

Core i9-10900T

MSRP: $120|Avg: $5

89255%

#3

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

64806%

#4

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

19523%

#5

Ryzen 9 9950X

MSRP: $649|Avg: $129

15465%

#6

Ryzen 5 8400F

MSRP: $303|Avg: $55

13528%

#7

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

7748%

#8

Ryzen 5 2600X

MSRP: $229|Avg: $55

7647%

#9

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

6963%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

6962%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

6885%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

6699%

#13

Core i3-9100E

MSRP: $202|Avg: $30

6605%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

6578%

#15

Core i3-8300T

MSRP: $138|Avg: $25

6519%

#1086

Core 2 Extreme QX9770

MSRP: $1399|Avg: $1399

100%

#1087

Athlon 64 X2 5600+

MSRP: $505|Avg: $15

100%

#1088

Athlon 64 2000+

MSRP: $100|Avg: $20

100%

#1089

Athlon 64 X2 5400+

MSRP: $485|Avg: $78

99%

#1090

Celeron 2.30

MSRP: $100|Avg: $10

98%

#1091

Phenom X4 9450e

MSRP: $450|Avg: $430

98%

#1092

Athlon 64 X2 3800+

MSRP: $354|Avg: $20

94%

#1093

Athlon 64 3000+

MSRP: $149|Avg: $10

92%

#1094

Athlon XP 3100+

MSRP: $150|Avg: $20

86%

#1095

Athlon 64 3300+

MSRP: $200|Avg: $200

79%

#1096

Athlon 64 2800+

MSRP: $178|Avg: $15

72%

#1097

Athlon 64 3700+

MSRP: $272|Avg: $20

69%

#1098

Athlon 64 FX-72

MSRP: $799|Avg: $40

68%

#1099

Athlon 64 X2 4200+

MSRP: $581|Avg: $110

65%

#1100

Athlon 64 3500+

MSRP: $272|Avg: $10

64%

#1101

Pentium D 830

MSRP: $316|Avg: $20

59%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Mobile Sempron SI-42 delivers superior performance across the board. It outperforms the Athlon 64 2000+ in both compute-intensive tasks (0.6% faster) and gaming workloads.

Insight	Mobile Sempron SI-42	Athlon 64 2000+
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	✅ More affordable ($0)	⚠️ Higher cost ($20)
Longevity	🛑 Legacy (Sable (2008−2009) / 65 nm)	🛑 Legacy (Lima (2008−2009) / 65 nm)

💎 Value Proposition

Insight	Mobile Sempron SI-42	Athlon 64 2000+
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($20)

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 SI-42 Benchmark Check

Athlon 64 2000+ Benchmark Check

Technical Specifications

Side-by-side comparison of Mobile Sempron SI-42 and Athlon 64 2000+

Mobile Sempron SI-42

The Mobile Sempron SI-42 is manufactured by AMD. It was released in 1 September 2009 (16 years ago). It is based on the Sable (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 2.1 GHz. L2 cache: 512 kB. Built on 65 nm process technology. Socket: S1g2. Thermal design power (TDP): 512 kB. Passmark benchmark score: 332 points. Launch price was $69.

Athlon 64 2000+

The Athlon 64 2000+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Lima (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 1 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 8 Watt. Passmark benchmark score: 330 points. Launch price was $149.

⚡

Processing Power

Both the Mobile Sempron SI-42 and Athlon 64 2000+ share an identical 1-core/1-thread configuration. Boost clocks reach 2.1 GHz on the Mobile Sempron SI-42 versus 1 GHz on the Athlon 64 2000+ — a 71% clock advantage for the Mobile Sempron SI-42. The Mobile Sempron SI-42 uses the Sable (2008−2009) architecture (65 nm), while the Athlon 64 2000+ uses Lima (2008−2009) (65 nm). In PassMark, the Mobile Sempron SI-42 scores 332 against the Athlon 64 2000+'s 330 — a 0.6% lead for the Mobile Sempron SI-42.

Feature	Mobile Sempron SI-42	Athlon 64 2000+
Cores / Threads	1 / 1	1 / 1
Boost Clock	2.1 GHz+110%	1 GHz
L3 Cache	—	0 kB
L2 Cache	512 kB	512 kB
Process	65 nm	65 nm
Architecture	Sable (2008−2009)	Lima (2008−2009)
PassMark	332	330

🧠

Memory & Platform

The Mobile Sempron SI-42 uses the S1g2 socket (PCIe 2.0), while the Athlon 64 2000+ uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.