Xeon Silver 4309Y vs EPYC 7451

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Aggregate performance score

EPYC 7451
2017
24 cores / 48 threads, 180 Watt
16.28
+34.4%
Xeon Silver 4309Y
2021
8 cores / 16 threads, 105 Watt
12.11

EPYC 7451 outperforms Xeon Silver 4309Y by a substantial 34% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7451 and Xeon Silver 4309Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking411642
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.78no data
Market segmentServerServer
SeriesAMD EPYCno data
Power efficiency8.5510.91
Architecture codenameNaples (2017−2018)Ice Lake-SP (2021)
Release date29 June 2017 (7 years ago)6 April 2021 (3 years ago)
Launch price (MSRP)$2,400no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7451 and Xeon Silver 4309Y 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 cores24 (Tetracosa-Core)8 (Octa-Core)
Threads4816
Base clock speed2.3 GHz2.8 GHz
Boost clock speed3.2 GHz3.6 GHz
Multiplier23no data
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)1 MB (per core)
L3 cache64 MB (shared)12 MB (shared)
Chip lithography14 nm10 nm
Die size192 mm2no data
Maximum case temperature (TCase)no data76 °C
Number of transistors4,800 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on EPYC 7451 and Xeon Silver 4309Y 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 configuration2 (Multiprocessor)2
SocketTR4FCLGA4189
Power consumption (TDP)180 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7451 and Xeon Silver 4309Y. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Deep Learning Boost-+

Security technologies

EPYC 7451 and Xeon Silver 4309Y technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
SGXno dataYes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7451 and Xeon Silver 4309Y are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7451 and Xeon Silver 4309Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR4-2667
Maximum memory size2 TiB6 TB
Max memory channels88
Maximum memory bandwidth170.671 GB/sno data
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by EPYC 7451 and Xeon Silver 4309Y.

PCIe version3.04.0
PCI Express lanes12864

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.

EPYC 7451 16.28
+34.4%
Xeon Silver 4309Y 12.11

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.

EPYC 7451 25863
+34.4%
Xeon Silver 4309Y 19237

Gaming performance

Pros & cons summary


Performance score 16.28 12.11
Recency 29 June 2017 6 April 2021
Physical cores 24 8
Threads 48 16
Chip lithography 14 nm 10 nm
Power consumption (TDP) 180 Watt 105 Watt

EPYC 7451 has a 34.4% higher aggregate performance score, and 200% more physical cores and 200% more threads.

Xeon Silver 4309Y, on the other hand, has an age advantage of 3 years, a 40% more advanced lithography process, and 71.4% lower power consumption.

The EPYC 7451 is our recommended choice as it beats the Xeon Silver 4309Y in performance tests.


Should you still have questions on choice between EPYC 7451 and Xeon Silver 4309Y, ask them in Comments section, and we shall answer.

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AMD EPYC 7451
EPYC 7451
Intel Xeon Silver 4309Y
Xeon Silver 4309Y

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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2.7 11 votes

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Questions & comments

Here you can ask a question about EPYC 7451 or Xeon Silver 4309Y, agree or disagree with our judgements, or report an error or mismatch.