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Product comparison · 2 servers

Dell PowerEdge R640 server vs Lenovo ThinkSystem SN850

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  • 53specifications compared
  • 20differ
  • 33identical
  • 35known for one product only

Key differences

  • Processor family
    • Intel Xeon Silver
    • Intel® Xeon® Platinum
  • Processor model
    • 4116
    • 8170
  • Processor boost frequency
    • 3 GHz
    • 3.7 GHz
  • Processor cores
    • 12
    • 26
  • Processor cache
    • 16.5 MB
    • 35.75 MB
  • Memory channels supported by processor
    • Hexa
    • Hepta
  • Number of processors installed
    • 1
    • 2
  • Thermal Design Power (TDP)
    • 85 W
    • 165 W

Side by side

Differences highlightedShow differences only
88 specifications
A

Dell

PowerEdge R640 server

Model R640

View product
B

Lenovo

ThinkSystem SN850View product
Processor14 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel Xeon SilverIntel® Xeon® Platinum
Processor generation1st Generation Intel® Xeon® Scalable1st Generation Intel® Xeon® Scalable
Processor modelDiffers41168170
Processor frequency2.1 GHz2.1 GHz
Processor boost frequencyDiffers3 GHz3.7 GHz
Processor coresDiffers1226
Processor cacheDiffers16.5 MB35.75 MB
Memory channels supported by processorDiffersHexaHepta
Number of processors installedDiffers12
Thermal Design Power (TDP)Differs85 W165 W
Processor cache typeL3L3
ECC supported by processorYesYes
Embedded options availableDiffersYesNo
Execute Disable BitYesYes
Maximum internal memory supported by processor768 GB768 GB
Maximum number of PCI Express lanes4848
Memory clock speeds supported by processorDiffers2400 MHz2666 MHz
Memory types supported by processorDDR4-SDRAMDDR4-SDRAM
Processor codeDiffersSR3HQSR37H
Processor codenameSkylakeSkylake
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
Processor package size76.0 x 56.5 mm76.0 x 56.5 mm
Processor socketLGA 3647 (Socket P)LGA 3647 (Socket P)
Processor threadsKnown for one24
ScalabilityDiffers2SS8S
SteppingDiffersM0H0
Supported instruction setsAVX, AVX 2.0, AVX-512, SSE4.2AVX, AVX 2.0, AVX-512, SSE4.2
TcaseDiffers76 °C89 °C
Conflict-Free processorYesYes
Intelligent Platform Management Interface (IPMI) supportKnown for oneYes
Memory1 differ
Internal memoryDiffers16 GB64 GB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
ECCKnown for oneYes
Memory clock speed2666 MHz2666 MHz
Memory slots2424
Maximum internal memoryKnown for one192 GB
Storage1 differ
Total storage capacityKnown for one300 GB
Number of HDDs installedKnown for one1
HDD capacityKnown for one300 GB
HDD interfaceKnown for oneSerial Attached SCSI (SAS)
HDD sizeKnown for one2.5"
Supported HDD sizesKnown for one2.5"
RAID supportYesYes
RAID levelsKnown for one0, 1, 5, 10
Hot-Plug supportKnown for oneYes
Internal drive baysKnown for one8
Optical drive typeDiffersDVD±RWNo
Networkidentical
Cabling technologyKnown for one10/100/1000Base-T(X)
Ethernet LANYesYes
LAN controllerKnown for oneBroadcom 5720
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsKnown for one4
USB 2.0 ports quantityDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one2
Serial ports quantityKnown for one1
VGA (D-Sub) ports quantityDiffers10
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one1
Expansion slotsidentical
PCI Express x8 (Gen 3.x) slotsKnown for one3
PCI Express slots version3.03.0
Designidentical
Chassis typeKnown for oneRack (1U)
Rack mountingKnown for oneYes
Rack railsKnown for oneYes
Performanceidentical
Remote administrationKnown for oneiDRAC9 Enterprise
Softwareidentical
Compatible operating systemsKnown for oneCanonical Ubuntu LTS Citrix XenServer Microsoft Windows Server with Hyper-V Red Hat Enterprise Linux SUSE Linux Enterprise Server VMware ESXi
Processor special features1 differ
Enhanced Intel SpeedStep TechnologyYesYes
Intel 64YesYes
Intel Secure BootKnown for oneYes
Intel TSX-NIYesYes
Intel TSX-NI version1.001.00
Intel Trusted Execution TechnologyYesYes
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers120481120506
Weight & dimensions1 differ
DepthDiffers705 mm493 mm
WidthKnown for one215 mm
HeightKnown for one51 mm
WeightKnown for one7.1 kg
Other featuresidentical
Dell E-Value CodeKnown for onePER6402
Poweridentical
Redundant power supply (RPS) supportKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 35 °C
Storage temperature (T-T)Known for one-40 - 60 °C
Operating relative humidity (H-H)Known for one8 - 80%
Storage relative humidity (H-H)Known for one8 - 90%

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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