EPYC 9454 vs Ryzen 9 3900XT

VS

Aggregate performance score

Ryzen 9 3900XT
2020
12 cores / 24 threads, 105 Watt
20.96
EPYC 9454
2022
48 cores / 96 threads, 290 Watt
61.32
+193%

EPYC 9454 outperforms Ryzen 9 3900XT by a whopping 193% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 3900XT and EPYC 9454 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26817
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation24.897.42
Market segmentDesktop processorServer
SeriesAMD Ryzen 9AMD EPYC
Power efficiency18.5319.63
Architecture codenameMatisse 2 (2020)Genoa (2022−2023)
Release date16 June 2020 (4 years ago)10 November 2022 (2 years ago)
Launch price (MSRP)$499$5,225

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 3900XT has 235% better value for money than EPYC 9454.

Detailed specifications

Ryzen 9 3900XT and EPYC 9454 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 cores12 (Dodeca-Core)48 (Octatetraconta-Core)
Threads2496
Base clock speed3.8 GHz2.75 GHz
Boost clock speed4.7 GHz2.75 GHz
Multiplierno data27.5
L1 cache768 KB3 MB
L2 cache6 MB48 MB
L3 cache64 MB256 MB (shared)
Chip lithography7 nm, 12 nm5 nm, 6 nm
Die size74 mm28x 72 mm2
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 million52,560 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 3900XT and EPYC 9454 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
SocketAM4SP5
Power consumption (TDP)105 Watt290 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900XT and EPYC 9454. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900XT and EPYC 9454 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900XT and EPYC 9454. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-4800
Maximum memory size128 GB6 TiB
Max memory channels2no data
Maximum memory bandwidth51.196 GB/s460.8 GB/s
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900XT and EPYC 9454.

PCIe version4.05.0
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.

Ryzen 9 3900XT 20.96
EPYC 9454 61.32
+193%

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.

Ryzen 9 3900XT 32666
EPYC 9454 95582
+193%

Gaming performance

Pros & cons summary


Performance score 20.96 61.32
Recency 16 June 2020 10 November 2022
Physical cores 12 48
Threads 24 96
Chip lithography 7 nm 5 nm
Power consumption (TDP) 105 Watt 290 Watt

Ryzen 9 3900XT has 176.2% lower power consumption.

EPYC 9454, on the other hand, has a 192.6% higher aggregate performance score, an age advantage of 2 years, 300% more physical cores and 300% more threads, and a 40% more advanced lithography process.

The EPYC 9454 is our recommended choice as it beats the Ryzen 9 3900XT in performance tests.

Note that Ryzen 9 3900XT is a desktop processor while EPYC 9454 is a server/workstation one.


Should you still have questions on choice between Ryzen 9 3900XT and EPYC 9454, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 3900XT
Ryzen 9 3900XT
AMD EPYC 9454
EPYC 9454

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Community ratings

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