Product comparison · 2 pcs/workstations

Acer Chromebox CXI Intel® Celeron® 2957U vs HP 840 Intel Xeon E5 v3 E5-2630V3

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  • 106specifications compared
  • 62differ
  • 44identical
  • 68known for one product only

Key differences

  • Processor family
    • Chromebox CXI Intel® Celeron® 2957U:Intel® Celeron®
    • 840 Intel Xeon E5 v3 E5-2630V3:Intel Xeon E5 v3
  • Processor model
    • Chromebox CXI Intel® Celeron® 2957U:2957U
    • 840 Intel Xeon E5 v3 E5-2630V3:E5-2630V3
  • Processor cores
    • Chromebox CXI Intel® Celeron® 2957U:2
    • 840 Intel Xeon E5 v3 E5-2630V3:8
  • Processor threads
    • Chromebox CXI Intel® Celeron® 2957U:2
    • 840 Intel Xeon E5 v3 E5-2630V3:16
  • Processor frequency
    • Chromebox CXI Intel® Celeron® 2957U:1.4 GHz
    • 840 Intel Xeon E5 v3 E5-2630V3:2.4 GHz
  • Processor cache
    • Chromebox CXI Intel® Celeron® 2957U:2 MB
    • 840 Intel Xeon E5 v3 E5-2630V3:20 MB
  • Bus type
    • Chromebox CXI Intel® Celeron® 2957U:DMI2
    • 840 Intel Xeon E5 v3 E5-2630V3:QPI
  • System bus rate
    • Chromebox CXI Intel® Celeron® 2957U:5 GT/s
    • 840 Intel Xeon E5 v3 E5-2630V3:8 GT/s

Side by side

Differences highlightedShow differences only (on)
Comparison of CXI, 840
174 specifications
Processor20 differ
Processor familyDiffersIntel® Celeron®Intel Xeon E5 v3
Processor modelDiffers2957UE5-2630V3
Processor coresDiffers28
Processor threadsDiffers216
Processor frequencyDiffers1.4 GHz2.4 GHz
Processor cacheDiffers2 MB20 MB
Bus typeDiffersDMI2QPI
System bus rateDiffers5 GT/s8 GT/s
Processor seriesDiffersIntel Celeron Processor 2000 Series for MobileIntel Xeon E5-2600 v3
Thermal Design Power (TDP)Differs15 W85 W
TjunctionKnown for one100 °CUnknown — not stated by the source
Maximum number of PCI Express lanesDiffers1040
PCI Express configurationsDiffers4x1, 1x4x4, x8, x16
PCI Express slots versionDiffers2.03.0
Processor socketDiffersBGA 1168LGA 2011-v3
SteppingDiffersD0R2
Maximum internal memory supported by processorDiffers16 GB768 GB
Memory types supported by processorDiffersDDR3L-SDRAM, LPDDR3-SDRAMDDR4-SDRAM
Memory clock speeds supported by processorDiffers1333,1600 MHz1600,1866 MHz
Memory bandwidth supported by processor (max)Differs25.6 GB/s59 GB/s
ECC supported by processorDiffersNoYes
Processor boost frequencyKnown for oneUnknown — not stated by the source3.2 GHz
TcaseKnown for oneUnknown — not stated by the source72.1 °C
Number of QPI linksKnown for oneUnknown — not stated by the source2
Memory5 differ
Internal memoryDiffers2 GB8 GB
Maximum internal memoryDiffers4 GB512 GB
Internal memory typeDiffersDDR3-SDRAMDDR4-SDRAM
Memory slotsDiffers1x DIMM8x DIMM
Memory channelsDiffersDual-channelQuad-channel
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 8 GB
Memory clock speedKnown for oneUnknown — not stated by the source2133 MHz
ECCKnown for oneUnknown — not stated by the sourceYes
Storage4 differ
Total storage capacityDiffers16 GB1 TB
Optical drive typeDiffersNoDVD Super Multi
Storage mediaDiffersSSDHDD
Number of storage drives installedKnown for one1Unknown — not stated by the source
Number of SSDs installedKnown for one1Unknown — not stated by the source
SSD capacityKnown for one16 GBUnknown — not stated by the source
Card reader integratedDiffersYesNo
Compatible memory cardsKnown for oneSDUnknown — not stated by the source
Number of HDDs installedKnown for oneUnknown — not stated by the source1
HDD capacityKnown for oneUnknown — not stated by the source1 TB
HDD interfaceKnown for oneUnknown — not stated by the sourceSATA
HDD speedKnown for oneUnknown — not stated by the source7200 RPM
Graphics2 differ
On-board graphics cardDiffersYesNo
On-board graphics card familyKnown for oneIntel® HD GraphicsUnknown — not stated by the source
On-board graphics card modelDiffersIntel® HD GraphicsNot available
Number of displays supported (on-board graphics)Known for one3Unknown — not stated by the source
On-board graphics card base frequencyKnown for one200 MHzUnknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one1000 MHzUnknown — not stated by the source
Performance1 differ
Product typeDiffersMini PCWorkstation
Audio output channelsKnown for one5.1 channelsUnknown — not stated by the source
Motherboard chipsetKnown for oneUnknown — not stated by the sourceIntel® C612
Optical drive1 differ
Optical drives quantityDiffers01
BD interface typeKnown for oneUnknown — not stated by the sourceSATA
Network1 differ
Wi-FiDiffersYesNo
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)Unknown — not stated by the source
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11gUnknown — not stated by the source
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers28
DisplayPorts quantityKnown for one1Unknown — not stated by the source
HDMI ports quantityDiffers10
Combo headphone/mic portKnown for oneYesUnknown — not stated by the source
S/PDIF out portKnown for oneNoUnknown — not stated by the source
DC-in jackKnown for oneYesUnknown — not stated by the source
SmartCard slotKnown for oneNoUnknown — not stated by the source
Total number of SATA connectorsKnown for one2Unknown — not stated by the source
Number of SATA III connectorsKnown for one2Unknown — not stated by the source
Headphone outputsKnown for oneUnknown — not stated by the source1
Line-outKnown for oneUnknown — not stated by the sourceYes
Line-inKnown for oneUnknown — not stated by the sourceYes
PS/2 ports quantityKnown for oneUnknown — not stated by the source2
Serial ports quantityKnown for oneUnknown — not stated by the source1
Power1 differ
Power supplyDiffers65 W850 W
Design1 differ
Chassis typeDiffersMini PCMini Tower
VolumeKnown for one1 LUnknown — not stated by the source
Number of 5.25" baysKnown for oneUnknown — not stated by the source2
Country of originKnown for oneUnknown — not stated by the sourceChina
Software1 differ
Operating system installedDiffersChromeOSWindows 7 Professional
Operating system architectureKnown for oneUnknown — not stated by the source64-bit
Recovery operating systemKnown for oneUnknown — not stated by the sourceWindows 8.1 Pro
Processor special features18 differ
CPU configuration (max)Differs12
Intel Clear Video TechnologyDiffersYesNo
Intel Demand Based SwitchingDiffersNoYes
Intel ME Firmware VersionKnown for one9.5Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffersYesNo
Intel Small Business Advantage (SBA) versionKnown for one0.00Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one1.00Unknown — not stated by the source
Intel Smart Response Technology 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 TechnologyDiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersYesNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersYesNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneYesUnknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for oneNoUnknown — not stated by the source
Intel® OS GuardDiffersNoYes
Intel® Small Business Advantage (Intel® SBA)Known for oneNoUnknown — not stated by the source
Intel® Virtualization Technology (Intel® VT)Known for oneVT-xUnknown — not stated by the source
Processor ARK IDDiffers7894283356
Processor codeDiffersSR1DVSR206
Processor package sizeDiffers40 x 24 x 1.5 mm52.5 x 45 mm
Supported instruction setsDiffersSSE4.1, SSE4.2AVX
UARTKnown for oneYesUnknown — not stated by the source
Intel® Smart Response TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Rapid Start TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel Smart Connect TechnologyKnown for oneYesUnknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Quick Sync Video TechnologyDiffersYesNo
Conflict-Free processorDiffersYesNo
Physical Address Extension (PAE)Known for oneUnknown — not stated by the sourceYes
ScalabilityKnown for oneUnknown — not stated by the source2S
Weight & dimensions3 differ
WidthDiffers130.2 mm203 mm
DepthDiffers165.7 mm525 mm
HeightDiffers33.4 mm444 mm
WeightKnown for oneUnknown — not stated by the source21.1 kg
Packaging content2 differ
Mouse includedDiffersNoYes
Keyboard includedDiffersNoYes
Cables includedKnown for oneYesUnknown — not stated by the source
AC adapter includedKnown for oneYesUnknown — not stated by the source
Expansion slotsidentical
Number of 3.5" baysKnown for oneUnknown — not stated by the source4
PCI Express x1 (Gen 2.x) slotsKnown for oneUnknown — not stated by the source1
PCI Express x4 (Gen 2.x) slotsKnown for oneUnknown — not stated by the source1
PCI Express x4 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source1
PCI Express x8 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source1
PCI Express x16 (Gen 3.x) slotsKnown for oneUnknown — not stated by the source3
Audioidentical
Audio systemKnown for oneUnknown — not stated by the sourceHD
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceENERGY 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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