Intel Atom C3558 vs Intel Core i3-N305. Specifications, performance, tests

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

• CPU group
  Intel Atom C3000 Intel Core i N300
• Family
  Intel Atom Intel Core i3
• Generation
  2 13
• Segment
  Desktop / Server Mobile

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

• Base Frequency
  2.2 GHz 1.8 GHz
• Core architecture
  normal normal
• CPU Cores
  4 8
• CPU Threads
  4 8
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  No turbo 3.8 GHz
• Turbo Frequency (4 Cores)
  No turbo -
• Core Configuration
  - 8x Gracemont
• Turbo Frequency (8 Cores)
  - 3.2 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
  - 32
• Generation
  - 11
• GPU Frequency
  - 300 MHz
• GPU name
  no iGPU Intel UHD Graphics 770
• GPU Turbo
  No turbo 1300 MHz
• Max. displays
  - 3
• Max. GPU Memory
  - 64 GB
• Release date
  - Q4/2021
• Shader
  - 256
• Technology
  - 10 nm

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

• AV1
  No Decode
• H.264 / AVC
  No Decode / Encode
• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• JPEG
  No Decode / Encode
• VC-1
  No Decode
• VP8
  No Decode / Encode
• VP9
  No Decode / Encode

Types, channel quantity of RAM supported by Intel Core i3-N305 and Intel Atom C3558. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  256 GB 32 GB
• Memory channels
  2 2 (Dual Channel)
• Memory type
  DDR4-2133 DDR5-5600
• PCIe lanes
  12 -
• PCIe version
  3.0 -
• Memory Bandwidth
  - 89.6 GB/s
• PCIe
  - 4.0 x 16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Atom C3558 and Intel Core i3-N305 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 100 °C
• TDP (PL1, legacy label)
  16 W 15 W

Architecture, interfaces, additional instructions supported by Intel Atom C3558 and Intel Core i3-N305, virtual machine technologies and process technology.

• Architecture
  Denverton Alder Lake N
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2, AVX, AVX2
• L2-Cache
  8 MB 2 MB
• L3-Cache
  - 6 MB
• Release date
  Q3/2017 Q4/2022
• Socket
  BGA 1310 BGA
• Technology
  14 nm 10 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Chip design
  - Monolithic
• Operating systems
  - Windows 10, Windows 11, Linux