Ryzen Threadripper PRO 3955WX vs Xeon L5420

VS

Aggregate performance score

Xeon L5420
2008
50 Watt
1.35
Ryzen Threadripper PRO 3955WX
2020
16 cores / 32 threads, 280 Watt
25.36
+1779%

Ryzen Threadripper PRO 3955WX outperforms Xeon L5420 by a whopping 1779% based on our aggregate benchmark results.

Primary details

Comparing Xeon L5420 and Ryzen Threadripper PRO 3955WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2255200
Place by popularitynot in top-100not in top-100
Market segmentServerServer
Seriesno dataAMD Ryzen Threadripper
Power efficiency2.558.57
Architecture codenameno dataMatisse (2019−2020)
Release date1 January 2008 (16 years ago)14 July 2020 (4 years ago)

Detailed specifications

Xeon L5420 and Ryzen Threadripper PRO 3955WX 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 coresno data16 (Hexadeca-Core)
Threadsno data32
Base clock speed2.5 GHz3.9 GHz
Boost clock speedno data4.3 GHz
Multiplierno data39
L1 cacheno data64K (per core)
L2 cacheno data512K (per core)
L3 cache12 MB L2 Cache64 MB
Chip lithography45 nm7 nm, 12 nm
Die sizeno data74 mm2
Maximum core temperature57 °Cno data
Maximum case temperature (TCase)no data95 °C
Number of transistorsno data3,800 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Xeon L5420 and Ryzen Threadripper PRO 3955WX 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 configurationno data1
SocketLGA771TR4
Power consumption (TDP)50 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5420 and Ryzen Threadripper PRO 3955WX. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching+no data
FSB parity+no data

Security technologies

Xeon L5420 and Ryzen Threadripper PRO 3955WX technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L5420 and Ryzen Threadripper PRO 3955WX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L5420 and Ryzen Threadripper PRO 3955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4-3200
Maximum memory sizeno data2 TiB
Maximum memory bandwidthno data204.8 GB/s

Peripherals

Specifications and connection of peripherals supported by Xeon L5420 and Ryzen Threadripper PRO 3955WX.

PCIe versionno data4.0
PCI Express lanesno data128

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.

Xeon L5420 1.35
Ryzen Threadripper PRO 3955WX 25.36
+1779%

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.

Xeon L5420 2143
Ryzen Threadripper PRO 3955WX 40280
+1780%

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.

Xeon L5420 332
Ryzen Threadripper PRO 3955WX 1685
+408%

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.

Xeon L5420 917
Ryzen Threadripper PRO 3955WX 12590
+1273%

Gaming performance

Pros & cons summary


Performance score 1.35 25.36
Recency 1 January 2008 14 July 2020
Chip lithography 45 nm 7 nm
Power consumption (TDP) 50 Watt 280 Watt

Xeon L5420 has 460% lower power consumption.

Ryzen Threadripper PRO 3955WX, on the other hand, has a 1778.5% higher aggregate performance score, an age advantage of 12 years, and a 542.9% more advanced lithography process.

The Ryzen Threadripper PRO 3955WX is our recommended choice as it beats the Xeon L5420 in performance tests.


Should you still have questions on choice between Xeon L5420 and Ryzen Threadripper PRO 3955WX, ask them in Comments section, and we shall answer.

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Intel Xeon L5420
Xeon L5420
AMD Ryzen Threadripper PRO 3955WX
Ryzen Threadripper PRO 3955WX

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Community ratings

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Questions & comments

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