AMD Ryzen Z1 vs AMD Ryzen 9 7845HX

Comparative analysis of AMD Ryzen Z1 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 Z1

  • CPU is newer: launch date 3 month(s) later
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 5 nm
  • 3.7x lower typical power consumption: 15 Watt vs 55 Watt
Launch date May 2023 vs 4 Jan 2023
Manufacturing process technology 4 nm vs 5 nm
Thermal Design Power (TDP) 15 Watt vs 55 Watt

Reasons to consider the AMD Ryzen 9 7845HX

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 6 more cores, run more applications at once: 12 vs 6
  • 12 more threads: 24 vs 12
  • Around 6% higher clock speed: 5.2 GHz vs 4.9 GHz
  • 2x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 2x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 4x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 6% better performance in PassMark - Single thread mark: 3984 vs 3774
  • 2.5x better performance in PassMark - CPU mark: 45890 vs 18670
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 12 vs 6
Number of threads 24 vs 12
Maximum frequency 5.2 GHz vs 4.9 GHz
L1 cache 64K (per core) vs 64K (per core)
L2 cache 1MB (per core) vs 1MB (per core)
L3 cache 64MB (shared) vs 16MB (shared)
Benchmarks
PassMark - Single thread mark 3984 vs 3774
PassMark - CPU mark 45890 vs 18670

Compare benchmarks

CPU 1: AMD Ryzen Z1
CPU 2: AMD Ryzen 9 7845HX

PassMark - Single thread mark
CPU 1
CPU 2
3774
3984
PassMark - CPU mark
CPU 1
CPU 2
18670
45890
Name AMD Ryzen Z1 AMD Ryzen 9 7845HX
PassMark - Single thread mark 3774 3984
PassMark - CPU mark 18670 45890
3DMark Fire Strike - Physics Score 11567

Compare specifications (specs)

AMD Ryzen Z1 AMD Ryzen 9 7845HX

Essentials

Launch date May 2023 4 Jan 2023
Place in performance rating 236 185
Architecture codename Zen 4
Family Dragon Range

Performance

Base frequency 3.2 GHz 3 GHz
L1 cache 64K (per core) 64K (per core)
L2 cache 1MB (per core) 1MB (per core)
L3 cache 16MB (shared) 64MB (shared)
Manufacturing process technology 4 nm 5 nm
Maximum core temperature 100°C 100°C
Maximum frequency 4.9 GHz 5.2 GHz
Number of cores 6 12
Number of threads 12 24
Unlocked
Die size 2x 71 mm²

Memory

ECC memory support
Supported memory types DDR5-5600 MHz, Dual-channel DDR5-5200 MHz, Dual-channel

Compatibility

Configurable TDP 9-30 Watt
Max number of CPUs in a configuration 1 1
Sockets supported FP8 FL1
Thermal Design Power (TDP) 15 Watt 55 Watt

Peripherals

PCIe configurations Gen 4, 20 Lanes, (CPU only) Gen 5, 28 Lanes, (CPU only)