EPYC 9745 vs Sempron 3850

Primary details

Comparing Sempron 3850 and EPYC 9745 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2679	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	2.75	no data
Architecture codename	Kabini (2013−2014)	Turin (2024)
Release date	9 April 2014 (10 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$12,141

Detailed specifications

Sempron 3850 and EPYC 9745 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	4 (Quad-Core)	128
Threads	4	256
Base clock speed	no data	2.4 GHz
Boost clock speed	1.3 GHz	3.7 GHz
L1 cache	256 KB	80 KB (per core)
L2 cache	2048 KB	1 MB (per core)
L3 cache	no data	256 MB (shared)
Chip lithography	28 nm	3 nm
Die size	107 mm2	no data
Maximum core temperature	90 °C	no data
Maximum case temperature (TCase)	90 °C	no data
64 bit support	+	+

Compatibility

Information on Sempron 3850 and EPYC 9745 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	2
Socket	AM1	SP5
Power consumption (TDP)	25 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Sempron 3850 and EPYC 9745. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	FMA4	-
AVX	+	+
PowerNow	+	-
PowerGating	+	-
VirusProtect	+	-
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Sempron 3850 and EPYC 9745 are enumerated here.

AMD-V	+	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Sempron 3850 and EPYC 9745. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1600	DDR5
Max memory channels	1	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon R3 Graphics	N/A
Number of pipelines	128	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of Sempron 3850 and EPYC 9745 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by Sempron 3850 and EPYC 9745 integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	no data
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by Sempron 3850 and EPYC 9745.

PCIe version	2.0	5.0
PCI Express lanes	4	128

Pros & cons summary

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Recency	9 April 2014	10 October 2024
Physical cores	4	128
Threads	4	256
Chip lithography	28 nm	3 nm
Power consumption (TDP)	25 Watt	400 Watt

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