Intel Celeron 1020E vs Intel Core i7-3840QM. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Intel Celeron Intel Core i7 Extreme Edition
• Generation
  3 3
• CPU group
  Intel Celeron 1000 Intel Core i 3000M

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.

• Frequency
  2.20 GHz 2.80 GHz
• CPU Cores
  2 4
• Turbo (1 Core)
  No turbo 3.80 GHz
• CPU Threads
  2 8
• Hyperthreading
  No Yes
• Overclocking
  No Yes
• Core architecture
  normal normal

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
  Intel HD Graphics (Ivy Bridge GT1) Intel HD Graphics 4000
• GPU frequency
  0.65 GHz 0.65 GHz
• GPU (Turbo)
  1.00 GHz 1.30 GHz
• Execution units
  6 16
• Shader
  48 128
• Max. displays
  3 3
• Generation
  7 7
• DirectX Version
  11.0 11.0
• Technology
  22 nm 22 nm
• Release date
  Q4/2012 Q1/2011

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

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

Types, channel quantity of RAM supported by Intel Core i7-3840QM and Intel Celeron 1020E. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-1333DDR3-1600DDR3L-1333 SO-DIMMDDR3L-1600 SO-DIMM DDR3-1333DDR3-1600DDR3L-1333 SO-DIMMDDR3L-1600 SO-DIMM
• Max. Memory
  16 GB 32 GB
• ECC
  Yes No
• Memory channels
  2 2
• PCIe version
  2.0 3.0
• PCIe lanes
  1 16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Celeron 1020E and Intel Core i7-3840QM to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  35 W 45 W
• Tjunction max.
  105 °C 105 °C

Architecture, interfaces, additional instructions supported by Intel Celeron 1020E and Intel Celeron 1020E, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2, AVX
• L3-Cache
  2.00 MB 8.00 MB
• Architecture
  Ivy Bridge U Ivy Bridge H
• Technology
  22 nm 22 nm
• Socket
  BGA 1023 PGA 988
• Release date
  Q1/2013 Q3/2012