AMD Sempron SI-42

Benchmarks for the AMD Sempron SI-42 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Is the AMD Sempron SI-42 Good for Gaming?

This is a fairly old CPU that is no longer competitive with newer CPUs. [More ...]

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AMD Sempron SI-42

Description:

Class: Laptop

Socket: S1

Clockspeed: 2.1 GHz

Cores: 1 Threads: 1

Typical TDP: 25 W

Cache per CPU Package:
L1 Instruction Cache: 1 x 64 KB
L1 Data Cache: 1 x 64 KB
L2 Cache: 1 x 512 KB

Other names: AMD Sempron(tm) SI-42

CPU First Seen on Charts: Q1 2009

CPUmark/$Price: 8.15

Overall Rank:
4910th fastest in multithreading out of 5121 CPUs
4108th fastest in single threading out of 5121 CPUs
1376th fastest in out of 1486 Laptop CPUs

Last Price Change: $29.99 USD (2020-03-24)

Average CPU Mark rating

Multithread Rating

245

Single Thread Rating

637

^%
Samples: 126*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 459
Thread: 558

^%Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Test Suite Average Results for AMD Sempron SI-42

Integer Math	612 MOps/Sec
Floating Point Math	569 MOps/Sec
Find Prime Numbers	1 Million Primes/Sec
Random String Sorting	895 Thousand Strings/Sec
Data Encryption	94.3 MBytes/Sec
Data Compression	6,171 KBytes/Sec
Physics	31 Frames/Sec
Extended Instructions	80 Million Matrices/Sec
Single Thread	637 MOps/Sec

From submitted results to PerformanceTest V10 as of 17th of May 2025.

CPU Mark Distribution for AMD Sempron SI-42

Submitted Baseline Distribution Graph as of 13th of May 2025

Not Enough Data from Current Version of PerformanceTest to Create Distribution Graph.

From submitted results since PerformanceTest V10 as of 13th of May 2025.

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CPU Mark Relative to Top 10 Common Laptop CPUs
As of 17th of May 2025 - Higher results represent better performance
Processor	Average CPU Mark
Apple M1 Max 10 Core 3200 MHz		22,137
AMD Ryzen 7 5800H		20,863
Intel Core i7-11800H @ 2.30GHz		20,103
AMD Ryzen 7 4800H		18,287
AMD Ryzen 5 5600H		16,770
Apple M2 8 Core 3500 MHz		15,658
Apple M1 8 Core 3200 MHz		14,147
Intel Core i7-10750H @ 2.60GHz		11,674
Intel Core i7-9750H @ 2.60GHz		10,713
Intel Core i5-1135G7 @ 2.40GHz		9,576
AMD Sempron SI-42		245

CPU Value (CPU Mark / $Price )
As of 17th of May 2025 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Core i7-11800H @ 2.30GHz		50.89
Intel Core i5-1135G7 @ 2.40GHz		30.99
Intel Core i7-9750H @ 2.60GHz		11.16
AMD Sempron SI-42		8.15
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M1 Max 10 Core 3200 MHz		NA
AMD Ryzen 7 5800H		NA
AMD Ryzen 7 4800H		NA
AMD Ryzen 5 5600H		NA
Intel Core i7-10750H @ 2.60GHz		NA

Single Thread Rating
As of 17th of May 2025 - Higher results represent better performance
Processor	Average Thread Rating
Apple M2 8 Core 3500 MHz		3,903
Apple M1 Max 10 Core 3200 MHz		3,836
Apple M1 8 Core 3200 MHz		3,681
Intel Core i7-11800H @ 2.30GHz		3,050
AMD Ryzen 7 5800H		3,029
AMD Ryzen 5 5600H		2,921
Intel Core i5-1135G7 @ 2.40GHz		2,651
Intel Core i7-10750H @ 2.60GHz		2,635
AMD Ryzen 7 4800H		2,601
Intel Core i7-9750H @ 2.60GHz		2,409
AMD Sempron SI-42		637

Last 5 Baselines for AMD Sempron SI-42
Most recent listed first
Baseline	CPU Mark
BL1923519 - Oct 13 2023		322
BL1921596 - Oct 10 2023		83
BL1916008 - Oct 02 2023		235
BL1720613 - Jan 14 2023		288
BL1406567 - May 18 2021		259

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for AMD Sempron SI-42
As of 17th of May 2025 - Higher results represent better performance
Processor	Average CPU Mark
AMD Sempron SI-42		245
AMD Turion 64 Mobile ML-37 vs AMD Sempron SI-42		334 (+36.7%)
Intel Celeron 540 @ 1.86GHz vs AMD Sempron SI-42		305 (+24.7%)
Intel Pentium M 2.00GHz vs AMD Sempron SI-42		270 (+10.5%)
Intel Pentium M 1.86GHz vs AMD Sempron SI-42		222 (-9.3%)
Intel Pentium M 1.73GHz vs AMD Sempron SI-42		205 (-16.3%)
Intel Pentium M 1.60GHz vs AMD Sempron SI-42		194 (-20.6%)
Mobile AMD Sempron 3300+ vs AMD Sempron SI-42		294 (+20.2%)
AMD Sempron SI-40 vs AMD Sempron SI-42		288 (+17.9%)
AMD Turion 64 Mobile ML-32 vs AMD Sempron SI-42		285 (+16.4%)
Mobile AMD Sempron 3600+ vs AMD Sempron SI-42		284 (+16.3%)
Intel Pentium M 1.80GHz vs AMD Sempron SI-42		280 (+14.7%)
AMD Turion 64 Mobile ML-30 vs AMD Sempron SI-42		277 (+13.1%)

Is the AMD Sempron SI-42 Good for Gaming?
As of 17th of May 2025 - Higher results represent better performance
Processor	Relative Gaming Score
Intel Core Ultra 9 275HX		8,714
Intel Core Ultra 7 255HX		8,683
Intel Core Ultra 7 265		8,198
Intel Core Ultra 7 265H		7,839
AMD Ryzen AI Max 390		7,108
Intel Core i9-14900HX		7,069
AMD Ryzen 9 9955HX3D		6,953
AMD Ryzen AI Max Pro 390		6,952
Intel Core 7 250H		6,905
Intel Core i9-13900HX		6,793
Intel Core i9-13950HX		6,791
Intel Core i9-13980HX		6,776
AMD Sempron SI-42		145

CPU Benchmarks

CPU Benchmarks

AMD Sempron SI-42

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CPU Test Suite Average Results for AMD Sempron SI-42

CPU Mark Distribution for AMD Sempron SI-42