AMD Ryzen 7 5700X vs AMD Ryzen 7 7840U. Specifications, performance, tests

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

• Family
  AMD Ryzen AMD Ryzen 7
• CPU group
  AMD Ryzen 5000 AMD Ryzen 7040
• Segment
  Desktop / Server Mobile
• Generation
  4 6
• Predecessor
  AMD Ryzen 7 3700X --

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• CPU Cores / Threads
  8 / 16 8 / 16
• Core architecture
  normal normal
• Cores
  8x 8x Zen 4
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes No
• Frequency
  3.40 GHz 3.30 GHz
• Turbo Frequency (1 Core)
  4.60 GHz 5.10 GHz
• Turbo Frequency (8 Cores)
  4.20 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.

• GPU name
  no iGPU AMD Radeon 780M Graphics
• GPU frequency
  -- 1.20 GHz
• GPU (Turbo)
  No turbo 2.70 GHz
• Execution units
  -- 12
• Shader
  -- 768
• Max. GPU Memory
  -- 32 GB
• Max. displays
  -- 4
• Generation
  -- 10
• Direct X
  -- 12
• Technology
  -- 4 nm
• Release date
  -- Q1/2023

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

• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• h264
  No Decode / Encode
• VP8
  No Decode
• VP9
  No Decode
• AV1
  No Decode / Encode
• AVC
  No Decode
• VC-1
  No Decode
• JPEG
  No Decode / Encode

Types, channel quantity of RAM supported by AMD Ryzen 7 7840U and AMD Ryzen 7 5700X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR5-5600LPDDR5X-7500
• Max. Memory
  128 GB 256 GB
• Memory channels
  2 2 (Dual Channel)
• Bandwidth
  51.2 GB/s 89.6 GB/s
• ECC
  Yes Yes
• PCIe
  4.0 x 20 4.0 x 20
• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 7 5700X and AMD Ryzen 7 7840U to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP up
  -- 30 W
• TDP down
  -- 15 W
• Tjunction max.
  95 °C 100 °C

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 5700X and AMD Ryzen 7 5700X, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
• L2-Cache
  4.00 MB 8.00 MB
• L3-Cache
  32.00 MB 16.00 MB
• Architecture
  Vermeer (Zen 3) Phoenix (Zen 4)
• Documents
  Technical data sheet Technical data sheet
• Technology
  7 nm 4 nm
• Virtualization
  AMD-V, SVM AMD-V, SVM
• Socket
  AM4 FP8
• Release date
  Q2/2022 Q2/2023