Xeon Gold 5420+ vs Gold 6421N

VS

Aggregate performance score

Xeon Gold 6421N
2023
32 cores / 64 threads, 185 Watt
38.42
+1%
Xeon Gold 5420+
2023
28 cores / 56 threads, 205 Watt
38.04

Xeon Gold 6421N outperforms Xeon Gold 5420+ by a minimal 1% based on our aggregate benchmark results.

Primary details

Comparing Xeon Gold 6421N and Xeon Gold 5420+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8893
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation44.1358.72
Market segmentServerServer
Power efficiency18.9416.92
Architecture codenameSapphire Rapids (2023−2024)Sapphire Rapids (2023−2024)
Release date10 January 2023 (1 year ago)10 January 2023 (1 year ago)
Launch price (MSRP)$2,368$1,848

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 5420+ has 33% better value for money than Xeon Gold 6421N.

Detailed specifications

Xeon Gold 6421N and Xeon Gold 5420+ 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)28 (Octacosa-Core)
Threads6456
Base clock speed1.8 GHz2 GHz
Boost clock speed3.6 GHz4.1 GHz
L1 cache80K (per core)80K (per core)
L2 cache2 MB (per core)2 MB (per core)
L3 cache60 MB52.5 MB
Chip lithographyIntel 7 nm10 nm
Maximum case temperature (TCase)85 °C84 °C
64 bit support++
Windows 11 compatibilityno data+

Compatibility

Information on Xeon Gold 6421N and Xeon Gold 5420+ 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 configuration12
SocketFCLGA46774677
Power consumption (TDP)185 Watt205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6421N and Xeon Gold 5420+. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Deep Learning Boost+-

Security technologies

Xeon Gold 6421N and Xeon Gold 5420+ technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
SGXYes with Intel® SPSno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6421N and Xeon Gold 5420+ are enumerated here.

VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6421N and Xeon Gold 5420+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4400DDR5-4400
Maximum memory size4 TBno data
Max memory channels8no data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6421N and Xeon Gold 5420+.

PCIe version55.0
PCI Express lanes8080

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 Gold 6421N 38.42
+1%
Xeon Gold 5420+ 38.04

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 Gold 6421N 58797
+1%
Xeon Gold 5420+ 58209

Gaming performance

Pros & cons summary


Performance score 38.42 38.04
Physical cores 32 28
Threads 64 56
Power consumption (TDP) 185 Watt 205 Watt

Xeon Gold 6421N has a 1% higher aggregate performance score, 14.3% more physical cores and 14.3% more threads, and 10.8% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Xeon Gold 6421N and Xeon Gold 5420+.


Should you still have questions on choice between Xeon Gold 6421N and Xeon Gold 5420+, ask them in Comments section, and we shall answer.

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Intel Xeon Gold 6421N
Xeon Gold 6421N
Intel Xeon Gold 5420+
Xeon Gold 5420+

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Community ratings

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Questions & comments

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