AMD Ryzen 7 7840HS vs AMD Ryzen 7 8745HS. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• CPU group
  AMD Ryzen 7040 -
• Family
  Ryzen Ryzen
• Form Factor
  Laptops / Desktops Laptops / Desktops
• Generation
  6 -
• Segment
  Mobile Mobile
• Series
  Ryzen 7000 Series Ryzen 8000 Series

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  3.8 GHz 3.8 GHz
• Core architecture
  normal -
• Core Configuration
  8x Zen 4 -
• CPU Cores
  8 8
• CPU Threads
  16 16
• Hyperthreading / SMT
  Yes -
• Max. Boost Clock
  5.1 GHz 4.9 GHz
• Overclocking
  No No
• Turbo Frequency (1 Core)
  5.1 GHz -

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• DirectX Version
  12 -
• Execution units
  12 -
• Generation
  10 -
• GPU Frequency
  2700 MHz 2600 MHz
• GPU name
  AMD Radeon 780M AMD Radeon 780M
• GPU Turbo
  2700 MHz -
• Graphics Cores
  12 12
• Max. displays
  4 -
• Max. GPU Memory
  32 GB -
• Release date
  Q1/2023 -
• Shader
  768 -
• Technology
  4 nm -

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

• AV1
  Decode / Encode -
• H.264 / AVC
  Conflicting source values: Decode | Decode / Encode -
• h265 / HEVC (8 bit)
  Decode / Encode -
• h265 / HEVC (10 bit)
  Decode / Encode -
• JPEG
  Decode / Encode -
• VC-1
  Decode -
• VP8
  Decode -
• VP9
  Decode -

Types, channel quantity of RAM supported by AMD Ryzen 7 8745HS and AMD Ryzen 7 7840HS. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes -
• Max. Memory
  256 GB -
• Memory Bandwidth
  89.6 GB/s -
• Memory channels
  2 2
• Memory type
  DDR5 (FP7r2) / LPDDR5X (FP7-FP8) DDR5 (FP7r2) / LPDDR5X (FP7-FP8)
• PCIe
  PCIe 4.0 PCIe 4.0

• AES-NI
  Yes -

Compare the TDP requirements of TDP AMD Ryzen 7 7840HS and AMD Ryzen 7 8745HS Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Configurable TDP
  35-54 W 35-54 W
• Default TDP
  35-54 W 45 W
• Maximum Operating Temperature
  100 °C 100 °C
• TDP (PL1 / PBP, legacy combined label)
  54 W -
• TDP down
  35 W -

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 7840HS and AMD Ryzen 7 8745HS, virtual machine technologies and process technology.

• Architecture
  Phoenix (Zen 4) -
• Chip design
  Monolithic -
• Codename
  Phoenix Hawk Point
• Documents
  Technical data sheet -
• Instruction set (ISA)
  x86-64 (64 bit) -
• ISA extensions
  SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 -
• L2-Cache
  8 MB 8 MB
• L3-Cache
  16 MB 16 MB
• Operating systems
  Windows 10, Windows 11, Linux -
• Part Number
  100-000001129 -
• Release date
  Q4/2023 2024-06-18
• Socket
  FP7 / FP7r2 / FP8 FP7r2 / FP8
• Technology
  TSMC 4nm FinFET TSMC 4nm FinFET
• Virtualization
  AMD-V, SVM -