Intel Xeon w5-2455X vs AMD EPYC 7443

Comparative analysis of Intel Xeon w5-2455X and AMD EPYC 7443 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.

Intel Xeon w5-2455X

AMD EPYC 7443

Differences

Reasons to consider the Intel Xeon w5-2455X

CPU is newer: launch date 1 year(s) 11 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 15% higher clock speed: 4.6 GHz vs 4.0 GHz
Around 47% better performance in PassMark - Single thread mark: 3493 vs 2380

Specifications (specs)
Launch date	15 Feb 2023 vs 15 Mar 2021
Unlocked	Unlocked vs Locked
Maximum frequency	4.6 GHz vs 4.0 GHz
Benchmarks
PassMark - Single thread mark	3493 vs 2380

Reasons to consider the AMD EPYC 7443

12 more cores, run more applications at once: 24 vs 12
24 more threads: 48 vs 24
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 10 nm
Around 60% more L1 cache; more data can be stored in the L1 cache for quick access later
524288x more L2 cache, more data can be stored in the L2 cache for quick access later
4473924.3x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 88% better performance in PassMark - CPU mark: 71156 vs 37812

Specifications (specs)
Number of cores	24 vs 12
Number of threads	48 vs 24
Manufacturing process technology	7 nm+ vs 10 nm
L1 cache	1536 KB vs 80K (per core)
L2 cache	12 MB vs 2MB (per core)
L3 cache	128 MB vs 30MB
Benchmarks
PassMark - CPU mark	71156 vs 37812

Compare benchmarks

CPU 1: Intel Xeon w5-2455X
CPU 2: AMD EPYC 7443

PassMark - Single thread mark

CPU 1

CPU 2

3493

2380

PassMark - CPU mark

CPU 1

CPU 2

37812

71156

Name	Intel Xeon w5-2455X	AMD EPYC 7443
PassMark - Single thread mark	3493	2380
PassMark - CPU mark	37812	71156

Compare specifications (specs)

	Intel Xeon w5-2455X	AMD EPYC 7443
Essentials
Launch date	15 Feb 2023	15 Mar 2021
Launch price (MSRP)	$1039	$2010
Place in performance rating	221	234
Architecture codename		Zen 3
OPN PIB		100-100000340WOF
OPN Tray		100-000000340
Vertical segment		Server
Performance
Base frequency	3.2 GHz	2.85 GHz
L1 cache	80K (per core)	1536 KB
L2 cache	2MB (per core)	12 MB
L3 cache	30MB	128 MB
Manufacturing process technology	10 nm	7 nm+
Maximum case temperature (TCase)	77°C
Maximum frequency	4.6 GHz	4.0 GHz
Number of cores	12	24
Number of threads	24	48
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Quad-channel	DDR4-3200
Max memory channels		8
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	4677	SP3
Thermal Design Power (TDP)	200 Watt	200 Watt
Configurable TDP		165-200 Watt
Socket Count		2P
Peripherals
PCIe configurations	Gen 5, 64 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™)