Intel Core i9-11900KB vs AMD Ryzen 7 4800H. Specifications, performance, tests

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

• CPU group
  Intel Core i 11000H AMD Ryzen 4000H
• Family
  Intel Core i9 AMD Ryzen
• Generation
  11 3
• Segment
  Mobile Mobile

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

• Base Frequency
  3.3 GHz 2.9 GHz
• Core architecture
  normal normal
• CPU Cores
  8 8
• CPU Threads
  16 16
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  5.3 GHz 4.2 GHz
• Turbo Frequency (8 Cores)
  4.9 GHz 3.8 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
  32 7
• Generation
  11 9
• GPU Frequency
  350 MHz 1600 MHz
• GPU name
  Intel UHD Graphics 910 AMD Radeon 7 Graphics (Renoir)
• GPU Turbo
  1450 MHz No turbo
• Max. displays
  3 3
• Max. GPU Memory
  - 2 GB
• Release date
  - Q1/2020
• Shader
  256 448
• Technology
  10 nm 7 nm

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

• AV1
  No No
• H.264 / AVC
  Decode / Encode 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 / Encode Decode / Encode
• VP9
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by AMD Ryzen 7 4800H and Intel Core i9-11900KB. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  128 GB 32 GB
• Memory channels
  2 2
• Memory type
  DDR4-3200 DDR4-3200
• PCIe lanes
  16 12
• PCIe version
  3.0 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-11900KB and AMD Ryzen 7 4800H Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  100 °C 105 °C
• TDP (PL1, legacy label)
  65 W 45 W
• TDP down
  55 W 35 W
• TDP up
  - 54 W

Architecture, interfaces, additional instructions supported by Intel Core i9-11900KB and AMD Ryzen 7 4800H, virtual machine technologies and process technology.

• Architecture
  Tiger Lake H Renoir (Zen 2)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  4.00 MB -
• L3-Cache
  20.00 MB 8.00 MB
• Release date
  Q2/2021 Q1/2020
• Socket
  BGA 1787 FP6
• Technology
  10 nm 7 nm
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM