Product comparison · 2 all-in-one pcs/workstations

HP 20-2105a Intel® Pentium® J2900 vs HP 21 Pro

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  • 55specifications compared
  • 32differ
  • 23identical
  • 92known for one product only

Key differences

  • Display diagonal
    • 20-2105a Intel® Pentium® J2900:49.5 cm (19.5")
    • 21 Pro:54.6 cm (21.5")
  • Display resolution
    • 20-2105a Intel® Pentium® J2900:1600 x 900 pixels
    • 21 Pro:1920 x 1080 pixels
  • Touchscreen
    • 20-2105a Intel® Pentium® J2900:No
    • 21 Pro:Yes
  • HD type
    • 20-2105a Intel® Pentium® J2900:HD+
    • 21 Pro:Full HD
  • Full HD
    • 20-2105a Intel® Pentium® J2900:No
    • 21 Pro:Yes
  • Processor manufacturer
    • 20-2105a Intel® Pentium® J2900:Intel
    • 21 Pro:NVIDIA
  • Processor family
    • 20-2105a Intel® Pentium® J2900:Intel® Pentium®
    • 21 Pro:NVIDIA Tegra
  • Processor model
    • 20-2105a Intel® Pentium® J2900:J2900
    • 21 Pro:T40S

Side by side

Differences highlightedShow differences only (off)
Comparison of 20-2105a, 21 Pro
147 specifications
Display5 differ
Display diagonalDiffers49.5 cm (19.5")54.6 cm (21.5")
Display resolutionDiffers1600 x 900 pixels1920 x 1080 pixels
TouchscreenDiffersNoYes
HD typeDiffersHD+Full HD
Full HDDiffersNoYes
LED backlightYesYes
Native aspect ratio16:916:9
Tilt angle rangeKnown for one10 - 25°Unknown — not stated by the source
Panel typeKnown for oneUnknown — not stated by the sourceIPS
Processor3 differ
Processor manufacturerDiffersIntelNVIDIA
Processor familyDiffersIntel® Pentium®NVIDIA Tegra
Processor modelDiffersJ2900T40S
Processor cores44
Processor threadsKnown for one4Unknown — not stated by the source
Processor boost frequencyKnown for one2.66 GHzUnknown — not stated by the source
Processor frequencyKnown for one2.41 GHzUnknown — not stated by the source
Processor cacheKnown for one2 MBUnknown — not stated by the source
Processor cache typeKnown for oneL2Unknown — not stated by the source
Processor socketKnown for oneBGA 1170Unknown — not stated by the source
Thermal Design Power (TDP)Known for one10 WUnknown — not stated by the source
FSB ParityKnown for oneNoUnknown — not stated by the source
Maximum number of PCI Express lanesKnown for one4Unknown — not stated by the source
PCI Express configurationsKnown for one1x4Unknown — not stated by the source
PCI Express slots versionKnown for one2.0Unknown — not stated by the source
Processor codeKnown for oneSR1SBUnknown — not stated by the source
Processor codenameKnown for oneBay TrailUnknown — not stated by the source
Processor lithographyKnown for one22 nmUnknown — not stated by the source
Processor operating modesKnown for one32-bit, 64-bitUnknown — not stated by the source
Processor seriesKnown for oneIntel Pentium J2000 Series for DesktopUnknown — not stated by the source
SteppingKnown for oneB3Unknown — not stated by the source
TjunctionKnown for one105 °CUnknown — not stated by the source
Conflict-Free processorKnown for oneYesUnknown — not stated by the source
Maximum internal memory supported by processorKnown for one8 GBUnknown — not stated by the source
Memory types supported by processorKnown for oneDDR3L-SDRAMUnknown — not stated by the source
Memory clock speeds supported by processorKnown for one1333 MHzUnknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one21.3 GB/sUnknown — not stated by the source
Memory channels supported by processorKnown for oneDualUnknown — not stated by the source
ECC supported by processorKnown for oneNoUnknown — not stated by the source
Memory3 differ
Internal memoryDiffers8 GB2 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Maximum internal memoryDiffers8 GB2 GB
Memory slotsKnown for one2Unknown — not stated by the source
Memory slots typeKnown for oneSO-DIMMUnknown — not stated by the source
Memory clock speedDiffers1600 MHz800 MHz
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 2 GB
Storage4 differ
Total storage capacityDiffers1 TB16 GB
Storage mediaDiffersHDDFlash
Number of storage drives installedKnown for one1Unknown — not stated by the source
Total HDDs capacityKnown for one1 TBUnknown — not stated by the source
Number of HDDs installedKnown for one1Unknown — not stated by the source
HDD speedKnown for one7200 RPMUnknown — not stated by the source
HDD interfaceKnown for oneSATAUnknown — not stated by the source
Optical drive typeDiffersDVD Super MultiNo
Card reader integratedYesYes
Compatible memory cardsDiffersMemory Stick (MS), MS PRO, SD, SDHC, SDXCSD
Graphics1 differ
Discrete graphics card modelNot availableNot available
On-board graphics cardKnown for oneYesUnknown — not stated by the source
On-board graphics card familyKnown for oneIntel® HD GraphicsUnknown — not stated by the source
On-board graphics card modelDiffersIntel® HD GraphicsNVIDIA Tegra GPU
Number of displays supported (on-board graphics)Known for one2Unknown — not stated by the source
On-board graphics card base frequencyKnown for one688 MHzUnknown — not stated by the source
On-board graphics card burst frequencyKnown for one896 MHzUnknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one896 MHzUnknown — not stated by the source
On-board graphics card DirectX versionKnown for one11.2Unknown — not stated by the source
Audioidentical
Built-in speaker(s)YesYes
Built-in microphoneYesYes
Cameraidentical
Built-in cameraYesYes
Network3 differ
Wi-FiDiffersYesNo
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)Unknown — not stated by the source
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)Not supported
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100,1000 Mbit/s10,100 Mbit/s
BluetoothNoNo
Ports & interfaces4 differ
Ethernet LAN (RJ-45) ports11
USB 2.0 ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers10
Thunderbolt ports quantity00
HDMI ports quantityDiffers01
VGA (D-Sub) ports quantity00
Headphone outputsDiffers10
Microphone inDiffersYesNo
Combo headphone/mic portYesYes
Design1 differ
Product colourDiffersBlack, SilverSilver
Country of originChinaChina
Cable lock slotKnown for oneUnknown — not stated by the sourceYes
Performanceidentical
Product typeAll-in-One PCAll-in-One PC
Software1 differ
Operating system installedDiffersWindows 8.1Android 4.3
Operating system architectureKnown for one64-bitUnknown — not stated by the source
Processor special features1 differ
CPU configuration (max)Known for one1Unknown — not stated by the source
Embedded options availableKnown for oneNoUnknown — not stated by the source
Enhanced Intel SpeedStep TechnologyDiffersYesNo
Execute Disable BitKnown for oneYesUnknown — not stated by the source
Graphics & IMC lithographyKnown for one22 nmUnknown — not stated by the source
Idle StatesKnown for oneYesUnknown — not stated by the source
Intel 64Known for oneYesUnknown — not stated by the source
Intel Clear Video TechnologyKnown for oneNoUnknown — not stated by the source
Intel Demand Based SwitchingKnown for oneNoUnknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for oneNoUnknown — not stated by the source
Intel Enhanced Halt StateKnown for oneNoUnknown — not stated by the source
Intel FDI TechnologyKnown for oneNoUnknown — not stated by the source
Intel Fast Memory AccessKnown for oneNoUnknown — not stated by the source
Intel Flex Memory AccessKnown for oneNoUnknown — not stated by the source
Intel Identity Protection Technology versionKnown for one0.00Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for oneNoUnknown — not stated by the source
Intel Small Business Advantage (SBA) versionKnown for one0.00Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for oneNoUnknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one0.00Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for oneNoUnknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for oneNoUnknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for oneYesUnknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNoUnknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for oneNoUnknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for oneNoUnknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNoUnknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNoUnknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Identity Protection Technology (Intel® IPT)NoNo
Intel® InTru™ 3D TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Insider™Known for oneNoUnknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for oneNoUnknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for oneYesUnknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)NoNo
Intel® Turbo Boost TechnologyNoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Physical Address Extension (PAE)Known for one36 bitUnknown — not stated by the source
Processor ARK IDKnown for one78868Unknown — not stated by the source
Processor package sizeKnown for one25 X 27 mmUnknown — not stated by the source
Thermal Monitoring TechnologiesKnown for oneNoUnknown — not stated by the source
Intel® Smart Response TechnologyKnown for oneUnknown — not stated by the sourceNo
Poweridentical
AC adapter powerKnown for one65 WUnknown — not stated by the source
AC adapter frequencyKnown for oneUnknown — not stated by the source50/60 Hz
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
Weight & dimensions4 differ
Width (with stand)Differs495 mm531 mm
Depth (with stand)Differs71.9 mm82.6 mm
Height (with stand)Differs339.1 mm366 mm
Weight (with stand)Differs7 kg5.97 kg
Packaging content2 differ
Mouse includedDiffersYesNo
Keyboard includedDiffersYesNo
Warranty cardKnown for oneYesUnknown — not stated by the source
AC adapter includedKnown for oneYesUnknown — not stated by the source
Cables includedKnown for oneUnknown — not stated by the sourceAC
Other featuresidentical
Autonomy modeKnown for oneNoUnknown — not stated by the source
Intel® Virtualization Technology (Intel® VT)Known for oneVT-xUnknown — not stated by the source
Storage drive interfaceKnown for oneSerial ATAUnknown — not stated by the source
3DKnown for oneUnknown — not stated by the sourceNo
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceEPEAT Gold, ENERGY STAR

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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