AMD Ryzen 7 8840U vs AMD Ryzen 7 7840H

Comparative analysis of AMD Ryzen 7 8840U and AMD Ryzen 7 7840H 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 7 8840U

  • CPU is newer: launch date 11 month(s) later
  • 1048576x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 1048576x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 25% lower typical power consumption: 28 Watt vs 35 Watt
Launch date 6 Dec 2023 vs Jan 2023
L2 cache 1 MB (per core) vs 1MB (per core)
L3 cache 16 MB (shared) vs 16MB (shared)
Thermal Design Power (TDP) 28 Watt vs 35 Watt

Reasons to consider the AMD Ryzen 7 7840H

  • Around 1% better performance in PassMark - Single thread mark: 3720 vs 3693
  • Around 19% better performance in PassMark - CPU mark: 28390 vs 23921
Benchmarks
PassMark - Single thread mark 3720 vs 3693
PassMark - CPU mark 28390 vs 23921

Compare benchmarks

CPU 1: AMD Ryzen 7 8840U
CPU 2: AMD Ryzen 7 7840H

PassMark - Single thread mark
CPU 1
CPU 2
3693
3720
PassMark - CPU mark
CPU 1
CPU 2
23921
28390
Name AMD Ryzen 7 8840U AMD Ryzen 7 7840H
PassMark - Single thread mark 3693 3720
PassMark - CPU mark 23921 28390

Compare specifications (specs)

AMD Ryzen 7 8840U AMD Ryzen 7 7840H

Essentials

Launch date 6 Dec 2023 Jan 2023
Place in performance rating 270 232

Performance

Base frequency 3.3 GHz 3.8 GHz
Die size 178 mm² 178 mm²
L1 cache 64 KB (per core) 64K (per core)
L2 cache 1 MB (per core) 1MB (per core)
L3 cache 16 MB (shared) 16MB (shared)
Manufacturing process technology 4 nm 4 nm
Maximum core temperature 100°C 100°C
Maximum frequency 5.1 GHz 5.1 GHz
Number of cores 8 8
Number of threads 16 16
Transistor count 25,000 million 25,000 million
Unlocked

Memory

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

Compatibility

Configurable TDP 15-30 Watt 35-54 Watt
Max number of CPUs in a configuration 1 1
Sockets supported FP8 FP8
Thermal Design Power (TDP) 28 Watt 35 Watt

Peripherals

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