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

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

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

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Frequency
  3.30 GHz 2.90 GHz
• CPU Cores
  8 8
• Turbo (1 Core)
  5.30 GHz 4.20 GHz
• CPU Threads
  16 16
• Turbo (8 Cores)
  4.90 GHz 3.80 GHz
• Hyperthreading
  Yes Yes
• Overclocking
  Yes No
• Core architecture
  normal normal

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  Intel UHD Graphics 910 AMD Radeon 7 Graphics (Renoir)
• GPU frequency
  0.35 GHz 1.60 GHz
• GPU (Turbo)
  1.45 GHz No turbo
• Execution units
  32 7
• Shader
  256 448
• Max. GPU Memory
  -- 2 GB
• Max. displays
  3 3
• Generation
  11 9
• DirectX Version
  12 12
• Technology
  10 nm 7 nm
• Release date
  Q1/2020

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

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

Overview of the types and quantities of RAM supported by AMD Ryzen 7 4800H and Intel Core i9-11900KB. The supported memory frequencies may vary depending on the motherboard configuration.

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

• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Core i9-11900KB and AMD Ryzen 7 4800H to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  65 W 45 W
• TDP up
  -- 54 W
• TDP down
  55 W 35 W
• Tjunction max.
  100 °C 105 °C

Information on architecture, interfaces, and additional instructions supported by Intel Core i9-11900KB and AMD Ryzen 7 4800H, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM
• 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
• Architecture
  Tiger Lake H Renoir (Zen 2)
• Technology
  10 nm 7 nm
• Socket
  BGA 1787 FP6
• Release date
  Q2/2021 Q1/2020