Intel Xeon Gold 6421N vs AMD Ryzen 5 PRO 7645

Comparative analysis of Intel Xeon Gold 6421N and AMD Ryzen 5 PRO 7645 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the Intel Xeon Gold 6421N

  • 26 more cores, run more applications at once: 32 vs 6
  • 52 more threads: 64 vs 12
  • 6.7x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 10.7x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 88% more L3 cache; more data can be stored in the L3 cache for quick access later
  • 2.2x better performance in PassMark - CPU mark: 58797 vs 27106
Specifications (specs)
Number of cores 32 vs 6
Number of threads 64 vs 12
L1 cache 80K (per core) vs 64K (per core)
L2 cache 2MB (per core) vs 1MB (per core)
L3 cache 60MB vs 32MB (shared)
Benchmarks
PassMark - CPU mark 58797 vs 27106

Reasons to consider the AMD Ryzen 5 PRO 7645

  • CPU is newer: launch date 5 month(s) later
  • Around 42% higher clock speed: 5.1 GHz vs 3.6 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 5 nm vs 10 nm
  • 2.8x lower typical power consumption: 65 Watt vs 185 Watt
  • Around 31% better performance in PassMark - Single thread mark: 3901 vs 2978
Specifications (specs)
Launch date 13 Jun 2023 vs 10 Jan 2023
Maximum frequency 5.1 GHz vs 3.6 GHz
Manufacturing process technology 5 nm vs 10 nm
Thermal Design Power (TDP) 65 Watt vs 185 Watt
Benchmarks
PassMark - Single thread mark 3901 vs 2978

Compare benchmarks

CPU 1: Intel Xeon Gold 6421N
CPU 2: AMD Ryzen 5 PRO 7645

PassMark - Single thread mark
CPU 1
CPU 2
2978
3901
PassMark - CPU mark
CPU 1
CPU 2
58797
27106
Name Intel Xeon Gold 6421N AMD Ryzen 5 PRO 7645
PassMark - Single thread mark 2978 3901
PassMark - CPU mark 58797 27106

Compare specifications (specs)

Intel Xeon Gold 6421N AMD Ryzen 5 PRO 7645

Essentials

Launch date 10 Jan 2023 13 Jun 2023
Launch price (MSRP) $2368
Place in performance rating 191 203

Performance

Base frequency 1800 MHz 3.8 GHz
L1 cache 80K (per core) 64K (per core)
L2 cache 2MB (per core) 1MB (per core)
L3 cache 60MB 32MB (shared)
Manufacturing process technology 10 nm 5 nm
Maximum case temperature (TCase) 85°C 61°C
Maximum frequency 3.6 GHz 5.1 GHz
Number of cores 32 6
Number of threads 64 12
Unlocked
Die size 71 mm²
Maximum core temperature 95°C
Transistor count 6,570 million

Memory

ECC memory support
Supported memory types DDR5-4400 MHz, Eight-channel DDR5-5200 MHz, Dual-channel

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported 4677 AM5
Thermal Design Power (TDP) 185 Watt 65 Watt

Peripherals

PCIe configurations Gen 5, 80 Lanes, (CPU only) Gen 5, 24 Lanes, (CPU only)