AMD EPYC 9254 vs AMD EPYC 7343

Comparative analysis of AMD EPYC 9254 and AMD EPYC 7343 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD EPYC 9254

AMD EPYC 7343

Differences

Reasons to consider the AMD EPYC 9254

CPU is newer: launch date 1 year(s) 7 month(s) later
8 more cores, run more applications at once: 24 vs 16
16 more threads: 48 vs 32
Around 6% higher clock speed: 4.15 GHz vs 3.9 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm+
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 8% better performance in PassMark - Single thread mark: 3036 vs 2806

Specifications (specs)
Launch date	10 Nov 2022 vs 15 Mar 2021
Number of cores	24 vs 16
Number of threads	48 vs 32
Maximum frequency	4.15 GHz vs 3.9 GHz
Manufacturing process technology	5 nm vs 7 nm+
L1 cache	64K (per core) vs 1 MB
Benchmarks
PassMark - Single thread mark	3036 vs 2806

Reasons to consider the AMD EPYC 7343

349525.3x more L2 cache, more data can be stored in the L2 cache for quick access later
1048576x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 5% lower typical power consumption: 190 Watt vs 200 Watt
Around 14% better performance in PassMark - CPU mark: 73934 vs 64815

Specifications (specs)
L2 cache	8 MB vs 1MB (per core)
L3 cache	128 MB vs 128MB (shared)
Thermal Design Power (TDP)	190 Watt vs 200 Watt
Benchmarks
PassMark - CPU mark	73934 vs 64815

Compare benchmarks

CPU 1: AMD EPYC 9254
CPU 2: AMD EPYC 7343

PassMark - Single thread mark

CPU 1

CPU 2

3036

2806

PassMark - CPU mark

CPU 1

CPU 2

64815

73934

Name	AMD EPYC 9254	AMD EPYC 7343
PassMark - Single thread mark	3036	2806
PassMark - CPU mark	64815	73934

Compare specifications (specs)

	AMD EPYC 9254	AMD EPYC 7343
Essentials
Launch date	10 Nov 2022	15 Mar 2021
Launch price (MSRP)	$2299	$1565
Place in performance rating	140	131
Architecture codename		Zen 3
OPN PIB		100-100000338WOF
OPN Tray		100-000000338
Vertical segment		Server
Performance
Base frequency	2.9 GHz	3.2 GHz
Die size	4x 72 mm²
L1 cache	64K (per core)	1 MB
L2 cache	1MB (per core)	8 MB
L3 cache	128MB (shared)	128 MB
Manufacturing process technology	5 nm	7 nm+
Maximum frequency	4.15 GHz	3.9 GHz
Number of cores	24	16
Number of threads	48	32
Transistor count	26,280 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Twelve-channel	DDR4-3200
Max memory channels		8
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Configurable TDP	200-240 Watt	165-200 Watt
Max number of CPUs in a configuration	2
Sockets supported	SP5	SP3
Thermal Design Power (TDP)	200 Watt	190 Watt
Socket Count		1P/2P
Peripherals
PCIe configurations	Gen 5, 128 Lanes, (CPU only)
Max number of PCIe lanes		128
PCI Express revision		4.0
Advanced Technologies
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)