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Product comparison · 2 laptops

Lenovo ThinkPad E455 vs Lenovo ThinkPad E550

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  • 97specifications compared
  • 23differ
  • 74identical
  • 82known for one product only

Key differences

  • Display diagonal
    • 35.6 cm (14")
    • 39.6 cm (15.6")
  • Processor manufacturer
    • AMD
    • Intel
  • Processor family
    • AMD A6
    • Intel® Core™ i3
  • Processor model
    • A6-7000
    • i3-4005U
  • Processor threads
    • 2
    • 4
  • Processor frequency
    • 2.2 GHz
    • 1.7 GHz
  • Processor cache
    • 1 MB
    • 3 MB
  • Processor cache type
    • L2
    • Smart Cache

Side by side

Differences highlightedShow differences only
179 specifications
A

Lenovo

ThinkPad E455View product
B

Lenovo

ThinkPad E550View product
Display1 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Processor7 differ
Processor manufacturerDiffersAMDIntel
Processor familyDiffersAMD A6Intel® Core™ i3
Processor generationKnown for one4th gen Intel® Core™ i3
Processor modelDiffersA6-7000i3-4005U
Processor threadsDiffers24
Processor frequencyDiffers2.2 GHz1.7 GHz
System bus rateKnown for one5 GT/s
Processor cacheDiffers1 MB3 MB
Processor cache typeDiffersL2Smart Cache
Processor socketKnown for oneBGA 1168
Processor lithographyKnown for one22 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel® Core™ i3-4000 Mobile Series
Processor codenameKnown for oneHaswell
Bus typeKnown for oneDMI
FSB ParityKnown for oneNo
Thermal Design Power (TDP)Known for one15 W
TjunctionKnown for one100 °C
Maximum number of PCI Express lanesKnown for one10
PCI Express configurationsKnown for one4x1, 1x4
PCI Express slots versionKnown for one2.0
ECC supported by processorKnown for oneNo
Processor boost frequencyKnown for one3 GHz
Memory2 differ
Internal memoryDiffers4 GB8 GB
Memory layout (slots x size)Differs1 x 4 GB1 x 8 GB
Storage2 differ
HDD speedDiffers5400 RPM7200 RPM
Optical drive typeDiffersNoDVD±RW
Graphics2 differ
On-board graphics card familyDiffersAMD Radeon R4Intel® HD Graphics
On-board graphics card modelDiffersAMD Radeon R4Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one2 GB
On-board graphics card base frequencyKnown for one200 MHz
On-board graphics card dynamic frequency (max)Known for one950 MHz
On-board graphics card DirectX versionKnown for one12
On-board graphics card IDKnown for one0xA16
Audioidentical
Speakers manufacturerKnown for oneJBL
Network1 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Ports & interfaces1 differ
VGA (D-Sub) ports quantityDiffers01
Total number of SATA connectorsKnown for one2
Number of SATA III connectorsKnown for one2
Keyboard1 differ
Numeric keypadDiffersNoYes
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneYes
CPU configuration (max)Known for one1
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Identity Protection Technology versionKnown for one1.00
Intel ME Firmware VersionKnown for one9.5
Intel Rapid Storage TechnologyKnown for oneYes
Intel Secure Key Technology versionKnown for one1.00
Intel Small Business Advantage (SBA) versionKnown for one0.00
Intel Smart Connect TechnologyKnown for oneYes
Intel Smart Connect Technology versionKnown for one1.00
Intel Smart Response Technology versionKnown for one0.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneYes
Intel® Anti-Theft Technology (Intel® AT)Known for oneYes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Intel® InTru™ 3D TechnologyKnown for oneYes
Intel® Insider™Known for oneYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneYes
Intel® Rapid Start TechnologyKnown for oneYes
Intel® Secure KeyKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Smart CacheKnown for oneYes
Intel® Smart Response TechnologyKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Intel® Virtualization Technology (Intel® VT)Known for oneVT-x
Processor ARK IDKnown for one75105
Processor package sizeKnown for one40 x 24 x 1.5 mm
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for oneYes
UARTKnown for oneYes
Conflict-Free processorKnown for oneYes
Battery2 differ
Battery capacityDiffers47 Wh48 Wh
Battery life (max)Differs6.5 h9 h
Securityidentical
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Weight & dimensions4 differ
WeightDiffers1.81 kg2.35 kg
WidthDiffers339 mm377 mm
DepthDiffers239 mm256 mm
HeightDiffers24 mm27 mm
Optical driveidentical
LightScribeKnown for oneNo
Performanceidentical
Motherboard chipsetKnown for oneAMD A76M FCH

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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