AMD EPYC 8434P vs AMD EPYC 7443

Comparative analysis of AMD EPYC 8434P 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.

AMD EPYC 8434P

AMD EPYC 7443

Differences

Reasons to consider the AMD EPYC 8434P

CPU is newer: launch date 2 year(s) 6 month(s) later
24 more cores, run more applications at once: 48 vs 24
48 more threads: 96 vs 48
A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 7 nm+
2x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 3% better performance in PassMark - Single thread mark: 2448 vs 2380

Specifications (specs)
Launch date	18 Sep 2023 vs 15 Mar 2021
Number of cores	48 vs 24
Number of threads	96 vs 48
Manufacturing process technology	5 nm vs 7 nm+
L1 cache	64 KB (per core) vs 1536 KB
L2 cache	1 MB (per core) vs 12 MB
Benchmarks
PassMark - Single thread mark	2448 vs 2380

Reasons to consider the AMD EPYC 7443

Around 29% higher clock speed: 4.0 GHz vs 3.1 GHz
Around 7% better performance in PassMark - CPU mark: 71156 vs 66490

Specifications (specs)
Maximum frequency	4.0 GHz vs 3.1 GHz
Benchmarks
PassMark - CPU mark	71156 vs 66490

Compare benchmarks

CPU 1: AMD EPYC 8434P
CPU 2: AMD EPYC 7443

PassMark - Single thread mark

CPU 1

CPU 2

2448

2380

PassMark - CPU mark

CPU 1

CPU 2

66490

71156

Name	AMD EPYC 8434P	AMD EPYC 7443
PassMark - Single thread mark	2448	2380
PassMark - CPU mark	66490	71156

Compare specifications (specs)

	AMD EPYC 8434P	AMD EPYC 7443
Essentials
Launch date	18 Sep 2023	15 Mar 2021
Launch price (MSRP)	$2700	$2010
Place in performance rating	249	231
Architecture codename		Zen 3
OPN PIB		100-100000340WOF
OPN Tray		100-000000340
Vertical segment		Server
Performance
Base frequency	2.5 GHz	2.85 GHz
Die size	4x 73 mm²
L1 cache	64 KB (per core)	1536 KB
L2 cache	1 MB (per core)	12 MB
L3 cache	128 MB (shared)	128 MB
Manufacturing process technology	5 nm	7 nm+
Maximum case temperature (TCase)	75°C
Maximum frequency	3.1 GHz	4.0 GHz
Number of cores	48	24
Number of threads	96	48
Transistor count	35,500 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR4-3200
Max memory channels		8
Maximum memory bandwidth		190.73 GB/s
Maximum memory size		4 TB
Compatibility
Configurable TDP	155-225 Watt	165-200 Watt
Max number of CPUs in a configuration	1
Sockets supported	SP6	SP3
Thermal Design Power (TDP)	200 Watt	200 Watt
Socket Count		2P
Peripherals
PCIe configurations	Gen 5, 96 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™)