Sempron 3850 vs Ryzen Threadripper PRO 3975WX

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Aggregate performance score

Ryzen Threadripper PRO 3975WX
2020
32 cores / 64 threads, 280 Watt
39.33
+5288%
Sempron 3850
2014
4 cores / 4 threads, 25 Watt
0.73

Ryzen Threadripper PRO 3975WX outperforms Sempron 3850 by a whopping 5288% based on our aggregate benchmark results.

Primary details

Comparing Ryzen Threadripper PRO 3975WX and Sempron 3850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking692692
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
SeriesAMD Ryzen Threadripperno data
Power efficiency13.302.76
Architecture codenameMatisse (2019−2020)Kabini (2013−2014)
Release date14 July 2020 (4 years ago)9 April 2014 (10 years ago)

Detailed specifications

Ryzen Threadripper PRO 3975WX 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 cores32 (Dotriaconta-Core)4 (Quad-Core)
Threads644
Base clock speed3.5 GHzno data
Boost clock speed4.2 GHz1.3 GHz
Multiplier35no data
L1 cache64K (per core)256 KB
L2 cache512K (per core)2048 KB
L3 cache128 MBno data
Chip lithography7 nm, 12 nm28 nm
Die size74 mm2107 mm2
Maximum core temperature95 °C90 °C
Maximum case temperature (TCase)95 °C90 °C
Number of transistors3,800 millionno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen Threadripper PRO 3975WX 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 configuration11
SocketsWRX8AM1
Power consumption (TDP)280 Watt25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3975WX and Sempron 3850. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, 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 2no 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 3975WX 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 3975WX and Sempron 3850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR3-1600
Maximum memory size2 TiBno data
Max memory channelsno data1
Maximum memory bandwidth204.8 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon R3 Graphics
จำนวนพาธไลน์-128
Enduro-+
Switchable graphics-+
UVD-+
VCE-+

Graphics interfaces

Available interfaces and connections of Ryzen Threadripper PRO 3975WX and Sempron 3850 integrated GPUs.

DisplayPort-+
HDMI-+

Graphics API support

APIs supported by Ryzen Threadripper PRO 3975WX 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 3975WX and Sempron 3850.

PCIe version4.02.0
PCI Express lanes1284

Synthetic benchmark performance

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


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.

Ryzen Threadripper PRO 3975WX 39.33
+5288%
Sempron 3850 0.73

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen Threadripper PRO 3975WX 62478
+5305%
Sempron 3850 1156

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ryzen Threadripper PRO 3975WX 1634
+921%
Sempron 3850 160

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ryzen Threadripper PRO 3975WX 14705
+2649%
Sempron 3850 535

Gaming performance

Pros & cons summary


Performance score 39.33 0.73
Recency 14 July 2020 9 April 2014
Physical cores 32 4
Threads 64 4
Chip lithography 7 nm 28 nm
Power consumption (TDP) 280 Watt 25 Watt

Ryzen Threadripper PRO 3975WX has a 5287.7% higher aggregate performance score, an age advantage of 6 years, 700% more physical cores and 1500% more threads, and a 300% more advanced lithography process.

Sempron 3850, on the other hand, has 1020% lower power consumption.

The Ryzen Threadripper PRO 3975WX is our recommended choice as it beats the Sempron 3850 in performance tests.

Be aware that Ryzen Threadripper PRO 3975WX is a server/workstation processor while Sempron 3850 is a desktop one.


Should you still have questions on choice between Ryzen Threadripper PRO 3975WX and Sempron 3850, ask them in Comments section, and we shall answer.

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AMD Ryzen Threadripper PRO 3975WX
Ryzen Threadripper PRO 3975WX
AMD Sempron 3850
Sempron 3850

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Community ratings

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3.1 88 votes

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Questions & comments

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