Sempron LE-1250 vs Ryzen 9 3900

Primary details

Comparing Ryzen 9 3900 and Sempron LE-1250 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	299	3250
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	20.73	no data
Market segment	Desktop processor	Desktop processor
Series	AMD Matisse (Ryzen 3000 Desktop)	no data
Power efficiency	28.14	0.40
Architecture codename	Matisse (Zen 2) (2019−2020)	Sparta (2007)
Release date	24 September 2019 (5 years ago)	October 2007 (17 years ago)
Launch price (MSRP)	$499	$29

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 3900 and Sempron LE-1250 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	12 (Dodeca-Core)	1 (Single-Core)
Threads	24	1
Base clock speed	3.1 GHz	no data
Boost clock speed	4.3 GHz	2.2 GHz
L1 cache	64 KB (per core)	128 KB
L2 cache	512 KB (per core)	512 KB
L3 cache	64 MB	0 KB
Chip lithography	7 nm, 12 nm	65 nm
Die size	2x 74 mm2	no data
Number of transistors	7,600 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 3900 and Sempron LE-1250 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	AM4	AM2
Power consumption (TDP)	65 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and Sempron LE-1250. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2	no data
AES-NI	+	-
AVX	+	-
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and Sempron LE-1250 are enumerated here.

AMD-V

+

-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Sempron LE-1250. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	no data
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	51.196 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and Sempron LE-1250.

PCIe version	4.0	no data
PCI Express lanes	24	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	19.34	0.19
Physical cores	12	1
Threads	24	1
Chip lithography	7 nm	65 nm
Power consumption (TDP)	65 Watt	45 Watt

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Should you still have questions on choice between Ryzen 9 3900 and Sempron LE-1250, ask them in Comments section, and we shall answer.

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