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Product comparison · 2 servers

Dell PowerEdge R820 server vs Dell PowerEdge T20 server

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  • 87specifications compared
  • 49differ
  • 38identical
  • 45known for one product only

Key differences

  • Processor family
    • Intel® Xeon® E5 Family
    • Intel Pentium G
  • Processor model
    • E5-4607
    • G3220
  • Processor frequency
    • 2.2 GHz
    • 3 GHz
  • Processor cores
    • 6
    • 2
  • Processor cache
    • 12 MB
    • 3 MB
  • Motherboard chipset
    • Intel C600
    • Intel® C226
  • Memory channels supported by processor
    • Quad
    • Dual
  • Number of processors installed
    • 2
    • 1

Side by side

Differences highlightedShow differences only
132 specifications
A

Dell

PowerEdge R820 server

Model R820

View product
B

Dell

PowerEdge T20 server

Model T20

View product
Processor26 differ
Processor familyDiffersIntel® Xeon® E5 FamilyIntel Pentium G
Processor modelDiffersE5-4607G3220
Processor frequencyDiffers2.2 GHz3 GHz
Processor coresDiffers62
Processor cacheDiffers12 MB3 MB
Motherboard chipsetDiffersIntel C600Intel® C226
Memory channels supported by processorDiffersQuadDual
Number of processors installedDiffers21
Thermal Design Power (TDP)Differs95 W54, 53
System bus rateDiffers6.4 GT/s5 GT/s
Graphics & IMC lithographyKnown for one22 nm
Maximum internal memory supported by processorDiffers1.5 TB32 GB
Maximum number of PCI Express lanesDiffers4016
Memory bandwidth supported by processor (max)Differs34.1 GB/s25.6 GB/s
Memory clock speeds supported by processorDiffers800,1066 MHz1333 MHz
Number of QPI linksDiffers20
PCI Express configurationsKnown for one1x16, 2x8, 1x8+2x4
Processor codeDiffersSR0KUSR1CG
Processor codenameDiffersSandy Bridge EPHaswell
Processor lithographyDiffers32 nm22 nm
Processor package sizeDiffers52.5 x 45.0 mm37.5 x 37.5 mm
Processor seriesDiffersIntel Xeon E5-4600Intel Pentium G3000 series for Desktop
Processor socketDiffersLGA 2011 (Socket R)LGA 1150 (Socket H3)
Processor threadsDiffers122
ScalabilityDiffersS4S1S
SteppingDiffersC2C0
Supported instruction setsDiffersAVXSSE4.1, SSE4.2
TcaseKnown for one72 °C
Thermal solution specificationKnown for onePCG 2013C
Conflict-Free processorDiffersNoYes
Compatible processor seriesKnown for oneIntel® Xeon®
Memory5 differ
Internal memoryDiffers128 GB4 GB
Buffered memory typeKnown for oneUnregistered (unbuffered)
Memory clock speedDiffers1066 MHz1600 MHz
Memory layout (slots x size)Differs16 x 8 GB1 x 4 GB
Memory slotsDiffers484x DIMM
Maximum internal memoryDiffers768 GB32 GB
Storage5 differ
Maximum storage capacityDiffers16 TB13 TB
Total storage capacityDiffers292 GB0 GB
Number of HDDs installedDiffers20
HDD interfaceDiffersSerial Attached SCSI (SAS)Serial ATA
HDD sizeDiffers2.5"3.5"
Number of HDDs supportedKnown for one4
Optical drive typeKnown for oneNo
HDD capacityKnown for one146 GB
HDD speedKnown for one15000 RPM
RAID levelsKnown for one0, 1, 5, 6
Hot-swapKnown for oneYes
Graphicsidentical
On-board graphics cardKnown for oneYes
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics
Maximum on-board graphics card memoryKnown for one1.74 GB
Number of displays supported (on-board graphics)Known for one3
On-board graphics card DirectX versionKnown for one11.1
On-board graphics card base frequencyKnown for one350 MHz
On-board graphics card dynamic frequency (max)Known for one1100 MHz
Maximum graphics card memoryKnown for one256 MB
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slotsKnown for one1
PCI Express x16 (Gen 2.x) slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsKnown for one1
PCI slotsKnown for one1
PCI Express x8 slotsKnown for one5
PCI Express x16 slotsKnown for one2
Design1 differ
Chassis typeDiffersRack (2U)Mini Tower
Software1 differ
Compatible operating systemsDiffersMicrosoft Windows Server 2012 Microsoft Windows Server 2008 R2 SP1, x64 (includes Hyper-V) Novell SUSE Linux Enterprise Server Red Hat Enterprise Linux Citrix XenServer VMware vSphere ESXi Red Hat Enterprise VirtualizationWindow Server 2012 R2 Linux RedHat
Processor special features8 differ
CPU configuration (max)Differs41
Intel Demand Based SwitchingDiffersYesNo
Intel Stable Image Platform Program (SIPP)Known for oneNo
Intel Stable Image Platform Program (SIPP) versionKnown for one0.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel Trusted Execution TechnologyDiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)DiffersYesNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Intel® Quick Sync Video TechnologyDiffersNoYes
Processor ARK IDDiffers6460477773
Intel Identity Protection Technology versionKnown for one0.00
Intel® Identity Protection Technology (Intel® IPT)Known for oneNo
Intel® Smart CacheKnown for oneYes
Power1 differ
Power supplyDiffers1100 W290 W
Redundant power supply (RPS) supportKnown for oneYes
Number of redundant power supplies installedKnown for one1
Weight & dimensionsidentical
WidthKnown for one175 mm
DepthKnown for one435.7 mm
HeightKnown for one359.9 mm
Other features2 differ
Dell E-Value CodeKnown for oneBASE,FCG 1,PEN,T20,TPM,EMEA
Graphics cardDiffersG200HD Graphics
Graphics card familyDiffersMatroxIntel
Ports & interfacesidentical
Ethernet LAN (RJ-45) portsKnown for one4
USB 2.0 ports quantityKnown for one4
Serial ports quantityKnown for one1
VGA (D-Sub) ports quantityKnown for one2
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY 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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