Intel Core i7-4940MX vs Intel Celeron 2980U. Specifications, performance, tests

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

• CPU group
  Intel Core i 4000M/4000H Intel Celeron 2000
• Family
  Intel Core i7 Extreme Edition Intel Celeron
• Generation
  4 4
• 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
  3.1 GHz 1.4 GHz
• Core architecture
  normal normal
• CPU Cores
  4 2
• CPU Threads
  8 2
• Hyperthreading / SMT
  Yes No
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  3.9 GHz No turbo
• Turbo Frequency (4 Cores)
  3.9 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
  11.1 11.1
• Execution units
  20 10
• Generation
  7.5 7.5
• GPU Frequency
  400 MHz 200 MHz
• GPU name
  Intel HD Graphics 4600 Intel HD Graphics (Haswell GT1)
• GPU Turbo
  1350 MHz 1000 MHz
• Max. displays
  3 3
• Max. GPU Memory
  2 GB -
• Release date
  Q2/2013 Q4/2012
• Shader
  160 80
• Technology
  22 nm 22 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)
  No No
• h265 / HEVC (10 bit)
  No No
• JPEG
  Decode Decode
• VC-1
  Decode Decode
• VP8
  No No
• VP9
  No No

Types, channel quantity of RAM supported by Intel Celeron 2980U and Intel Core i7-4940MX. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Memory channels
  4 2
• Memory type
  DDR3L-1600 SO-DIMM DDR3L-1600 SO-DIMM
• PCIe lanes
  16 12
• PCIe version
  3.0 2.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i7-4940MX and Intel Celeron 2980U Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• TDP (PL1, legacy label)
  57 W 15 W

Architecture, interfaces, additional instructions supported by Intel Core i7-4940MX and Intel Celeron 2980U, virtual machine technologies and process technology.

• Architecture
  Haswell H Haswell U
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2
• L3-Cache
  8 MB 2 MB
• Release date
  Q4/2013 Q3/2013
• Socket
  PGA 946 BGA 1168
• Technology
  22 nm 22 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d