AMD Ryzen Z1 vs AMD Ryzen 7 7840U

Comparative analysis of AMD Ryzen Z1 and AMD Ryzen 7 7840U 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 AMD Ryzen Z1

  • Around 87% lower typical power consumption: 15 Watt vs 28 Watt
  • Around 4% better performance in PassMark - Single thread mark: 3735 vs 3599
Specifications (specs)
Thermal Design Power (TDP) 15 Watt vs 28 Watt
Benchmarks
PassMark - Single thread mark 3735 vs 3599

Reasons to consider the AMD Ryzen 7 7840U

  • 2 more cores, run more applications at once: 8 vs 6
  • 4 more threads: 16 vs 12
  • Around 4% higher clock speed: 5.1 GHz vs 4.9 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
  • Around 33% better performance in PassMark - CPU mark: 24975 vs 18778
Specifications (specs)
Number of cores 8 vs 6
Number of threads 16 vs 12
Maximum frequency 5.1 GHz vs 4.9 GHz
L1 cache 64K (per core) vs 64K (per core)
L2 cache 1MB (per core) vs 1MB (per core)
Benchmarks
PassMark - CPU mark 24975 vs 18778

Compare benchmarks

CPU 1: AMD Ryzen Z1
CPU 2: AMD Ryzen 7 7840U

PassMark - Single thread mark
CPU 1
CPU 2
3735
3599
PassMark - CPU mark
CPU 1
CPU 2
18778
24975
Name AMD Ryzen Z1 AMD Ryzen 7 7840U
PassMark - Single thread mark 3735 3599
PassMark - CPU mark 18778 24975

Compare specifications (specs)

AMD Ryzen Z1 AMD Ryzen 7 7840U

Essentials

Launch date May 2023 May 2023
Place in performance rating 308 286

Performance

Base frequency 3.2 GHz 3.3 GHz
L1 cache 64K (per core) 64K (per core)
L2 cache 1MB (per core) 1MB (per core)
L3 cache 16MB (shared) 16MB (shared)
Manufacturing process technology 4 nm 4 nm
Maximum core temperature 100°C 100°C
Maximum frequency 4.9 GHz 5.1 GHz
Number of cores 6 8
Number of threads 12 16
Unlocked
Die size 178 mm²
Transistor count 25,000 million

Memory

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

Compatibility

Configurable TDP 9-30 Watt 15-30 Watt
Max number of CPUs in a configuration 1 1
Sockets supported FP8 FP8
Thermal Design Power (TDP) 15 Watt 28 Watt

Peripherals

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