AMD Ryzen 9 7945HX3D vs AMD Ryzen 9 7845HX

Comparative analysis of AMD Ryzen 9 7945HX3D and AMD Ryzen 9 7845HX 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, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the AMD Ryzen 9 7945HX3D

  • CPU is newer: launch date 6 month(s) later
  • 4 more cores, run more applications at once: 16 vs 12
  • 8 more threads: 32 vs 24
  • Around 4% higher clock speed: 5.4 GHz vs 5.2 GHz
  • Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
  • 2x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 4% better performance in PassMark - Single thread mark: 4102 vs 3963
  • Around 27% better performance in PassMark - CPU mark: 57797 vs 45644
Specifications (specs)
Launch date 27 Jul 2023 vs 4 Jan 2023
Number of cores 16 vs 12
Number of threads 32 vs 24
Maximum frequency 5.4 GHz vs 5.2 GHz
L1 cache 64K (per core) vs 64K (per core)
L2 cache 1MB (per core) vs 1MB (per core)
L3 cache 128MB (shared) vs 64MB (shared)
Benchmarks
PassMark - Single thread mark 4102 vs 3963
PassMark - CPU mark 57797 vs 45644

Compare benchmarks

CPU 1: AMD Ryzen 9 7945HX3D
CPU 2: AMD Ryzen 9 7845HX

PassMark - Single thread mark
CPU 1
CPU 2
4102
3963
PassMark - CPU mark
CPU 1
CPU 2
57797
45644
Name AMD Ryzen 9 7945HX3D AMD Ryzen 9 7845HX
PassMark - Single thread mark 4102 3963
PassMark - CPU mark 57797 45644
3DMark Fire Strike - Physics Score 11279

Compare specifications (specs)

AMD Ryzen 9 7945HX3D AMD Ryzen 9 7845HX

Essentials

Launch date 27 Jul 2023 4 Jan 2023
Place in performance rating 56 148
Architecture codename Zen 4
Family Dragon Range

Performance

Base frequency 2.3 GHz 3 GHz
Die size 2x 71 mm² 2x 71 mm²
L1 cache 64K (per core) 64K (per core)
L2 cache 1MB (per core) 1MB (per core)
L3 cache 128MB (shared) 64MB (shared)
Manufacturing process technology 5 nm 5 nm
Maximum core temperature 100°C 100°C
Maximum frequency 5.4 GHz 5.2 GHz
Number of cores 16 12
Number of threads 32 24
Transistor count 17,840 million
Unlocked

Memory

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

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported FL1 FL1
Thermal Design Power (TDP) 55 Watt 55 Watt

Peripherals

PCIe configurations Gen 5, 28 Lanes, (CPU only) Gen 5, 28 Lanes, (CPU only)