AMD Ryzen Z1 vs AMD Ryzen 5 7640U. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 7040 AMD Ryzen 7040
• Family
  Ryzen Ryzen
• Form Factor
  Handheld Laptops / Desktops
• Generation
  6 6
• Segment
  Mobile Mobile
• Series
  Ryzen Z1 Ryzen 7000 Series

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

• Base Frequency
  3.2 GHz 3.5 GHz
• Core architecture
  normal normal
• Core Configuration
  6x Zen 4 6x Zen 4
• CPU Cores
  6 6
• CPU Threads
  12 12
• Hyperthreading / SMT
  Yes Yes
• Max. Boost Clock
  4.9 GHz 4.9 GHz
• Overclocking
  No No
• Turbo Frequency (1 Core)
  4.9 GHz 4.9 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 12
• Execution units
  4 8
• Generation
  10 10
• GPU Frequency
  1200 MHz 2600 MHz
• GPU name
  AMD Radeon Graphics AMD Radeon 760M
• GPU Turbo
  2800 MHz 2600 MHz
• Graphics Cores
  4 8
• Max. displays
  4 4
• Max. GPU Memory
  32 GB 32 GB
• Release date
  Q3/2023 Q1/2023
• Shader
  256 512
• Technology
  4 nm 4 nm

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

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

Types, channel quantity of RAM supported by AMD Ryzen 5 7640U and AMD Ryzen Z1. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  256 GB 256 GB
• Memory Bandwidth
  89.6 GB/s 89.6 GB/s
• Memory channels
  2 (Dual Channel) 2
• Memory type
  DDR5-5600LPDDR5X-7500 DDR5 (FP7r2) / LPDDR5X (FP7-FP8)
• PCIe
  4.0 x 20 PCIe 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen Z1 and AMD Ryzen 5 7640U 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
  9-30 W 15-30 W
• Default TDP
  28 W 28 W
• Maximum Operating Temperature
  100 °C 100 °C
• TDP (PL1 / PBP, legacy combined label)
  15 W 15 W
• TDP down
  15 W -
• TDP up
  30 W -

Architecture, interfaces, additional instructions supported by AMD Ryzen Z1 and AMD Ryzen 5 7640U, virtual machine technologies and process technology.

• Architecture
  Phoenix (Zen 4) Phoenix (Zen 4)
• Chip design
  Monolithic Monolithic
• Documents
  Technical data sheet Technical data sheet
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
• L2-Cache
  6 MB 6 MB
• L3-Cache
  16 MB 16 MB
• Official source
  https://www.amd.com/en/products/processors/handhelds/ryzen-z-series/z1-series/z1.html https://www.amd.com/en/products/processors/laptop/ryzen/7000-series/amd-ryzen-5-7640u.html
• Operating systems
  Windows 10, Windows 11, Linux Windows 10, Windows 11, Linux
• Release date
  Q3/2023 2023-05-03
• Socket
  FP8 FP7 / FP7r2 / FP8
• Technology
  4 nm TSMC 4nm FinFET
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  2026-09-30 2026-09-30
• Virtualization
  AMD-V, SVM AMD-V, SVM
• Codename
  - Phoenix