Xeon Gold 6421N vs D-1527

VS

Aggregate performance score

Xeon D-1527
2015
4 cores / 8 threads, 35 Watt
3.28
Xeon Gold 6421N
2023
32 cores / 64 threads, 185 Watt
37.02
+1029%

Xeon Gold 6421N outperforms Xeon D-1527 by a whopping 1029% based on our aggregate benchmark results.

Primary details

Comparing Xeon D-1527 and Xeon Gold 6421N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking159490
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.0344.63
Market segmentServerServer
SeriesIntel Xeon Dno data
Power efficiency8.8718.94
Architecture codenameBroadwell (2015−2019)Sapphire Rapids (2023−2024)
Release date1 November 2015 (9 years ago)10 January 2023 (1 year ago)
Launch price (MSRP)$213$2,368

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6421N has 2099% better value for money than Xeon D-1527.

Detailed specifications

Xeon D-1527 and Xeon Gold 6421N 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 cores4 (Quad-Core)32 (Dotriaconta-Core)
Threads864
Base clock speed2.2 GHz1.8 GHz
Boost clock speed2.7 GHz3.6 GHz
Bus typeDMI 2.0no data
Multiplier22no data
L1 cache64K (per core)80K (per core)
L2 cache256K (per core)2 MB (per core)
L3 cache1.5 MB (per core)60 MB
Chip lithography14 nmIntel 7 nm
Die size246.24 mm2no data
Maximum case temperature (TCase)80 °C85 °C
Number of transistors3,200 millionno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Xeon D-1527 and Xeon Gold 6421N 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 configuration1 (Uniprocessor)1
SocketFCBGA1667FCLGA4677
Power consumption (TDP)35 Watt185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1527 and Xeon Gold 6421N. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States+no data
Thermal Monitoring+-
GPIO+no data
Deep Learning Boost-+

Security technologies

Xeon D-1527 and Xeon Gold 6421N technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
SGXno dataYes with Intel® SPS
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-1527 and Xeon Gold 6421N are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-1527 and Xeon Gold 6421N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR3DDR5-4400
Maximum memory size128 GB4 TB
Max memory channels28
Maximum memory bandwidth34.124 GB/sno data
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon D-1527 and Xeon Gold 6421N.

PCIe version2.0/3.05
PCI Express lanes2480
USB revision2.0/3.0no data
Total number of SATA ports6no data
Number of USB ports8no data
Integrated LAN+no data
UART+no data

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 D-1527 3.28
Xeon Gold 6421N 37.02
+1029%

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 D-1527 5213
Xeon Gold 6421N 58797
+1028%

Gaming performance

Pros & cons summary


Performance score 3.28 37.02
Recency 1 November 2015 10 January 2023
Physical cores 4 32
Threads 8 64
Power consumption (TDP) 35 Watt 185 Watt

Xeon D-1527 has 428.6% lower power consumption.

Xeon Gold 6421N, on the other hand, has a 1028.7% higher aggregate performance score, an age advantage of 7 years, and 700% more physical cores and 700% more threads.

The Xeon Gold 6421N is our recommended choice as it beats the Xeon D-1527 in performance tests.


Should you still have questions on choice between Xeon D-1527 and Xeon Gold 6421N, ask them in Comments section, and we shall answer.

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Intel Xeon D-1527
Xeon D-1527
Intel Xeon Gold 6421N
Xeon Gold 6421N

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Community ratings

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Questions & comments

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