Intel Core i7-2655LE vs Intel Core i7-5557U

Comparative analysis of Intel Core i7-2655LE and Intel Core i7-5557U processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics image quality, Graphics API support. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the Intel Core i7-2655LE

  • Around 4% higher maximum memory size: 16.6 GB vs 16 GB
  • Around 12% lower typical power consumption: 25 Watt vs 28 Watt
Maximum memory size 16.6 GB vs 16 GB
Thermal Design Power (TDP) 25 Watt vs 28 Watt

Reasons to consider the Intel Core i7-5557U

  • Around 17% higher clock speed: 3.40 GHz vs 2.90 GHz
  • Around 5% higher maximum core temperature: 105°C vs 100 C
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
  • Around 56% better performance in PassMark - Single thread mark: 1924 vs 1231
  • Around 56% better performance in PassMark - CPU mark: 3109 vs 1999
Specifications (specs)
Maximum frequency 3.40 GHz vs 2.90 GHz
Maximum core temperature 105°C vs 100 C
Manufacturing process technology 14 nm vs 32 nm
Benchmarks
PassMark - Single thread mark 1924 vs 1231
PassMark - CPU mark 3109 vs 1999

Compare benchmarks

CPU 1: Intel Core i7-2655LE
CPU 2: Intel Core i7-5557U

PassMark - Single thread mark
CPU 1
CPU 2
1231
1924
PassMark - CPU mark
CPU 1
CPU 2
1999
3109
Name Intel Core i7-2655LE Intel Core i7-5557U
PassMark - Single thread mark 1231 1924
PassMark - CPU mark 1999 3109
Geekbench 4 - Single Core 827
Geekbench 4 - Multi-Core 1802
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 1.936
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 43.279
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.279
CompuBench 1.5 Desktop - Video Composition (Frames/s) 1.13
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 2.964
GFXBench 4.0 - Car Chase Offscreen (Frames) 1425
GFXBench 4.0 - Manhattan (Frames) 1545
GFXBench 4.0 - T-Rex (Frames) 2859
GFXBench 4.0 - Car Chase Offscreen (Fps) 1425
GFXBench 4.0 - Manhattan (Fps) 1545
GFXBench 4.0 - T-Rex (Fps) 2859

Compare specifications (specs)

Intel Core i7-2655LE Intel Core i7-5557U

Essentials

Architecture codename Sandy Bridge Broadwell
Launch date Q1'11 6 January 2015
Place in performance rating 1998 2010
Processor Number i7-2655LE i7-5557U
Series Legacy Intel® Core™ Processors 5th Generation Intel® Core™ i7 Processors
Status Launched Launched
Vertical segment Embedded Mobile
Launch price (MSRP) $426
Price now $705
Value for money (0-100) 2.06

Performance

64 bit support
Base frequency 2.20 GHz 3.10 GHz
Bus Speed 5 GT/s DMI 5 GT/s DMI2
Manufacturing process technology 32 nm 14 nm
Maximum core temperature 100 C 105°C
Maximum frequency 2.90 GHz 3.40 GHz
Number of cores 2 2
Number of threads 4 4
Die size 133 mm
L1 cache 128 KB
L2 cache 512 KB
L3 cache 4 MB
Maximum case temperature (TCase) 105 °C
Transistor count 1900 Million

Memory

Max memory channels 2 2
Maximum memory size 16.6 GB 16 GB
Supported memory types DDR3 1066/1333 DDR3L 1333/1600, LPDDR3 1600/1866
Maximum memory bandwidth 25.6 GB/s

Graphics

Graphics base frequency 650 MHz 300 MHz
Graphics max dynamic frequency 1.00 GHz 1.10 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics Intel® HD Graphics 3000 Intel® Iris® Graphics 6100
Device ID 0x162B
Graphics max frequency 1.1 GHz
Intel® Clear Video technology
Max video memory 16 GB

Graphics interfaces

CRT
DisplayPort
eDP
HDMI
Number of displays supported 2 3
SDVO
Wireless Display (WiDi) support

Compatibility

Low Halogen Options Available
Package Size 31mm x 24mm (FCBGA1023) 40mm x24mm x 1.3mm
Sockets supported FCBGA1023 FCBGA1168
Thermal Design Power (TDP) 25 Watt 28 Watt
Configurable TDP-down 23 W
Max number of CPUs in a configuration 1

Peripherals

Max number of PCIe lanes 16 12
PCI Express revision 2.0 2.0
PCIe configurations 1x16, 2x8, 1x8+2x4 4x1, 2x4

Security & Reliability

Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® AVX Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)

Graphics image quality

Max resolution over DisplayPort 3840x2160@60Hz
Max resolution over HDMI 1.4 2560x1600@60Hz

Graphics API support

DirectX 11.2/12
OpenGL 4.3