Ryzen 7 3800X vs Xeon Phi 31S1P

Primary details

Comparing Xeon Phi 31S1P and Ryzen 7 3800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated484
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data16.43
Market segmentServerDesktop processor
Seriesno dataAMD Ryzen 7
Power efficiencyno data13.13
Architecture codenameKnights Corner (2012−2014)Matisse (2019−2020)
Release date17 June 2013 (11 years ago)27 May 2019 (5 years ago)
Launch price (MSRP)no data$399

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon Phi 31S1P and Ryzen 7 3800X 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 cores57 (Heptapentaconta-Core)8 (Octa-Core)
Threads22816
Base clock speedno data3.9 GHz
Boost clock speed1.1 GHz4.5 GHz
L1 cache32 KB (per core)512 KB
L2 cache512 KB (per core)4 MB
L3 cache0 KB (shared)32 MB
Chip lithography22 nm7 nm, 12 nm
Die size350 mm2no data
Number of transistors5,000 million19,200 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Xeon Phi 31S1P and Ryzen 7 3800X 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 (Uniprocessor)
SocketPCIe x16AM4
Power consumption (TDP)270 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Phi 31S1P and Ryzen 7 3800X. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Precision Boost 2no data+

Security technologies

Xeon Phi 31S1P and Ryzen 7 3800X technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Phi 31S1P and Ryzen 7 3800X are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Phi 31S1P and Ryzen 7 3800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4 Dual-channel
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Pros & cons summary


Recency 17 June 2013 27 May 2019
Physical cores 57 8
Threads 228 16
Chip lithography 22 nm 7 nm
Power consumption (TDP) 270 Watt 105 Watt

Xeon Phi 31S1P has 612.5% more physical cores and 1325% more threads.

Ryzen 7 3800X, on the other hand, has an age advantage of 5 years, a 214.3% more advanced lithography process, and 157.1% lower power consumption.

We couldn't decide between Xeon Phi 31S1P and Ryzen 7 3800X. We've got no test results to judge.

Be aware that Xeon Phi 31S1P is a server/workstation processor while Ryzen 7 3800X is a desktop one.


Should you still have questions on choice between Xeon Phi 31S1P and Ryzen 7 3800X, ask them in Comments section, and we shall answer.

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Intel Xeon Phi 31S1P
Xeon Phi 31S1P
AMD Ryzen 7 3800X
Ryzen 7 3800X

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Community ratings

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