Sempron 3850 vs Ryzen Threadripper PRO 3995WX

Primary details

Comparing Ryzen Threadripper PRO 3995WX and Sempron 3850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	27	2679
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.99	no data
Market segment	Server	Desktop processor
Series	AMD Ryzen Threadripper	no data
Power efficiency	17.81	2.75
Architecture codename	Matisse (2019−2020)	Kabini (2013−2014)
Release date	14 July 2020 (4 years ago)	9 April 2014 (10 years ago)
Launch price (MSRP)	$5,500	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen Threadripper PRO 3995WX and Sempron 3850 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	64 (Tetrahexaconta-Core)	4 (Quad-Core)
Threads	128	4
Base clock speed	2.7 GHz	no data
Boost clock speed	4.2 GHz	1.3 GHz
Multiplier	27	no data
L1 cache	4 MB	256 KB
L2 cache	32 MB	2048 KB
L3 cache	256 MB	no data
Chip lithography	7 nm, 12 nm	28 nm
Die size	74 mm2	107 mm2
Maximum core temperature	95 °C	90 °C
Maximum case temperature (TCase)	95 °C	90 °C
Number of transistors	38740 Million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen Threadripper PRO 3995WX and Sempron 3850 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	sWRX8	AM1
Power consumption (TDP)	280 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3995WX and Sempron 3850. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AES, AVX, AVX2, BMI1, BMI2, SHA, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT, Precision Boost 2, XFR 2	no data
AES-NI	+	+
FMA	-	FMA4
AVX	+	+
PowerNow	-	+
PowerGating	-	+
VirusProtect	-	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3995WX and Sempron 3850 are enumerated here.

AMD-V	+	+
IOMMU 2.0	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3995WX and Sempron 3850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR3-1600
Maximum memory size	2 TiB	no data
Max memory channels	no data	1
Maximum memory bandwidth	204.8 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	-	AMD Radeon R3 Graphics
Number of pipelines	-	128
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
VCE	-	+

Graphics interfaces

Available interfaces and connections of Ryzen Threadripper PRO 3995WX and Sempron 3850 integrated GPUs.

DisplayPort	-	+
HDMI	-	+

Graphics API support

APIs supported by Ryzen Threadripper PRO 3995WX and Sempron 3850 integrated GPUs, sometimes API versions are included.

DirectX	-	DirectX® 12
Vulkan	-	+

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3995WX and Sempron 3850.

PCIe version	4.0	2.0
PCI Express lanes	128	4

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	53.69	0.74
Recency	14 July 2020	9 April 2014
Physical cores	64	4
Threads	128	4
Chip lithography	7 nm	28 nm
Power consumption (TDP)	280 Watt	25 Watt

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Should you still have questions on choice between Ryzen Threadripper PRO 3995WX and Sempron 3850, ask them in Comments section, and we shall answer.

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