Intel Core i5-1235U vs Intel Atom E3827. Specifications, performance, tests

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

• CPU group
  Intel Core i 1200P/1200U Intel Atom E3800
• Family
  Intel Core i5 Intel Atom
• Generation
  12 4
• Segment
  Mobile Mobile

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

• A-Core
  2x Golden Cove -
• B-Core
  8x Gracemont -
• Base Frequency
  1.3 GHz 1.75 GHz
• Core architecture
  hybrid (big.LITTLE) normal
• CPU Cores
  10 2
• CPU Threads
  12 2
• Hyperthreading / SMT
  Yes No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  4.4 GHz No turbo
• Turbo Frequency (10 Cores)
  2.5 GHz -
• Turbo Frequency (2 Cores)
  - No turbo

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
  12.1 11.2
• Execution units
  80 4
• Generation
  13 7
• GPU Frequency
  350 MHz 540 MHz
• GPU name
  Intel Iris Xe Graphics 80 (Alder Lake) Intel HD Graphics (Bay Trail GT1)
• GPU Turbo
  1200 MHz 790 MHz
• Max. displays
  4 2
• Max. GPU Memory
  64 GB 8 GB
• Release date
  Q1/2022 Q3/2013
• Shader
  640 32
• Technology
  10 nm 22 nm

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

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

Types, channel quantity of RAM supported by Intel Atom E3827 and Intel Core i5-1235U. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  64 GB -
• Memory channels
  2 1
• Memory type
  DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200 DDR3L-1333 SO-DIMM
• PCIe
  4.0 x 28 -

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i5-1235U and Intel Atom E3827 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 -
• TDP (PL1, legacy label)
  15 W 8 W
• TDP (PL2)
  55 W -

Architecture, interfaces, additional instructions supported by Intel Core i5-1235U and Intel Atom E3827, virtual machine technologies and process technology.

• Architecture
  Alder Lake U Bay Trail
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2
• L2-Cache
  6.5 MB -
• L3-Cache
  12 MB 1 MB
• Release date
  Q1/2022 Q4/2013
• Socket
  BGA 1744 BGA 1170
• Technology
  10 nm 22 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT