Intel Celeron 2957U
Intel Core i7-4940MX
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Intel Celeron 2957U vs Intel Core i7-4940MX. Specifications, performance, tests

Overall score
star star star star star
Released
Q4/2013
Intel Celeron 2957U
Intel Celeron 2957U
Released
Q4/2013
Overall score
star star star star star
Intel Core i7-4940MX
Intel Core i7-4940MX

What's the best choice Intel Celeron 2957U or Intel Core i7-4940MX? Which processor is faster?

We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.

Intel Celeron 2957U has a maximum frequency of 1.40 GHz. 2 Cores. Power consumption of 15 W. Released in Q4/2013.

Intel Core i7-4940MX has a maximum frequency of 3.10 GHz. 4 Cores. Power consumption of 57 W. Released in Q4/2013.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    1338 left arrow score
  • Performance per watt

    times less performance per watt

    15 W left arrow 57 W

Positions in all rankings

Common positions Intel Celeron 2957U CPU in popular benchmarks, for comparison with other models.

  • Cinebench R20 (Single-Core)
    574 place
  • Cinebench R20 (Multi-Core)
    527 place
  • Cinebench R15 (Single-Core)
    999 place
  • Cinebench R15 (Multi-Core)
    1027 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    1433 place
  • Geekbench 3, 64bit (Single-Core)
    769 place
  • Geekbench 3, 64bit (Multi-Core)
    843 place
  • Cinebench R11.5, 64bit (Single-Core)
    637 place
  • Cinebench R11.5, 64bit (Multi-Core)
    760 place
  • Cinebench R11.5, 64bit (iGPU, OpenGL)
    312 place
  • Estimated results for PassMark CPU Mark
    1281 place
  • Geekbench 6 (Multi-Core)
    298 place
  • Place in the overall ranking

    (based on several benchmarks)

    832 left arrow score
  • Higher clock speed

    Around 55% better clock speed

    3.10 GHz left arrow 1.40 GHz
  • More number of cores

    About 2 times more cores

    4 left arrow 2

Positions in all rankings

Common positions Intel Core i7-4940MX CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    571 place
  • Geekbench 5, 64bit (Multi-Core)
    673 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    784 place
  • Geekbench 3, 64bit (Single-Core)
    90 place
  • Geekbench 3, 64bit (Multi-Core)
    310 place
  • Cinebench R11.5, 64bit (Single-Core)
    574 place
  • Cinebench R11.5, 64bit (Multi-Core)
    322 place
  • Cinebench R11.5, 64bit (iGPU, OpenGL)
    144 place
  • Estimated results for PassMark CPU Mark
    540 place

Specifications

Technical data
Intel Celeron 2957U Intel Celeron 2957U
Intel Core i7-4940MX Intel Core i7-4940MX
CPU family and group

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

  • Segment
    Mobile left arrow Mobile
  • Family
    Intel Celeron left arrow Intel Core i7 Extreme Edition
  • Generation
    4 left arrow 4
  • CPU group
    Intel Celeron 2000 left arrow Intel Core i 4000M/4000H
CPU Technical specs

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
    1.40 GHz left arrow 3.10 GHz
  • CPU Cores
    2 left arrow 4
  • Turbo (1 Core)
    No turbo left arrow 3.90 GHz
  • CPU Threads
    2 left arrow 8
  • Hyperthreading
    No left arrow Yes
  • Overclocking
    No left arrow Yes
  • Core architecture
    normal left arrow normal
IGPU

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 (Haswell GT1) left arrow Intel HD Graphics 4600
  • GPU frequency
    0.20 GHz left arrow 0.40 GHz
  • GPU (Turbo)
    1.00 GHz left arrow 1.35 GHz
  • Execution units
    10 left arrow 20
  • Shader
    80 left arrow 160
  • Max. GPU Memory
    -- left arrow 2 GB
  • Max. displays
    3 left arrow 3
  • Generation
    7.5 left arrow 7.5
  • DirectX Version
    11.1 left arrow 11.1
  • Technology
    22 nm left arrow 22 nm
  • Release date
    Q4/2012 left arrow Q2/2013
Hardware codec support

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

  • h265 / HEVC (8 bit)
    No left arrow No
  • h265 / HEVC (10 bit)
    No left arrow No
  • h264
    Decode / Encode left arrow Decode / Encode
  • VP9
    No left arrow No
  • VP8
    No left arrow No
  • AV1
    No left arrow No
  • AVC
    Decode / Encode left arrow Decode / Encode
  • VC-1
    Decode left arrow Decode
  • JPEG
    Decode left arrow Decode
Memory specs & PCI

Types, channel quantity of RAM supported by Intel Core i7-4940MX and Intel Celeron 2957U. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR3L-1600 SO-DIMM left arrow DDR3L-1600 SO-DIMM
  • ECC
    No left arrow No
  • Memory channels
    2 left arrow 4
  • PCIe version
    2.0 left arrow 3.0
  • PCIe lanes
    10 left arrow 16
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Celeron 2957U and Intel Core i7-4940MX to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1)
    15 W left arrow 57 W
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Celeron 2957U and Intel Celeron 2957U, virtual machine technologies and process technology.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow VT-x, VT-x EPT, VT-d
  • ISA extensions
    SSE4.1, SSE4.2 left arrow SSE4.1, SSE4.2, AVX2
  • L3-Cache
    2.00 MB left arrow 8.00 MB
  • Architecture
    Haswell U left arrow Haswell H
  • Technology
    22 nm left arrow 22 nm
  • Socket
    BGA 1168 left arrow PGA 946
  • Release date
    Q4/2013 left arrow Q4/2013

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Celeron 2957U and Intel Core i7-4940MX.

Compare the synthetic test values and choose the best processor!

iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games
160
Intel Celeron 2957U
432
Intel Core i7-4940MX
Geekbench 3, 64bit (Single-Core)
Geekbench 3 SC for one CPU core, includes stress tests simulating real 3D scenarios for Windows, Mac, Linux, Ansroid, iOS
1350
Intel Celeron 2957U
4260
Intel Core i7-4940MX
Geekbench 3, 64bit (Multi-Core)
Geekbench 3 MC using a multi-core and hyperthreading, includes stress tests simulating real 3D scenarios for Windows, Mac, Linux, Ansroid, iOS
2285
Intel Celeron 2957U
12401
Intel Core i7-4940MX
Cinebench R11.5, 64bit (Single-Core)
The PC CPU and GPU test involves rendering a specific 3D scene in single-core mode, based on CINEMA 4D
0.6
Intel Celeron 2957U
1.74
Intel Core i7-4940MX
Cinebench R11.5, 64bit (Multi-Core)
The PC CPU and GPU test involves rendering a specific 3D scene in multi-core mode and hyperthreading, based on CINEMA 4D
1.1
Intel Celeron 2957U
6.72
Intel Core i7-4940MX
Cinebench R11.5, 64bit (iGPU, OpenGL)
The iGPU test involves rendering a specific 3D scene, based on CINEMA 4D
13.1
Intel Celeron 2957U
29.8
Intel Core i7-4940MX
Estimated results for PassMark CPU Mark
PassMark is a test suite that performs complex mathematical calculations to determine CPU performance on file compression, encryption and physics-related tasks
1592
Intel Celeron 2957U
10025
Intel Core i7-4940MX

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