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Product comparison · 2 pcs/workstations

Dell Precision 7820 Intel® Xeon® 3104 vs Dell Precision 7920 Intel® Xeon® 3104

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  • 125specifications compared
  • 9differ
  • 116identical
  • 9known for one product only

Key differences

The Dell Precision 7920 Intel® Xeon® 3104 has 12 x DIMM more memory slots than the Dell Precision 7820 Intel® Xeon® 3104 (24x DIMM vs 12x DIMM). The Dell Precision 7920 Intel® Xeon® 3104 has 3 more storage drives supported than the Dell Precision 7820 Intel® Xeon® 3104 (8 vs 5). The Dell Precision 7920 Intel® Xeon® 3104 has 1 more Ethernet LAN (RJ-45) ports than the Dell Precision 7820 Intel® Xeon® 3104 (2 vs 1). Maximum internal memory: 384 GB on the Dell Precision 7820 Intel® Xeon® 3104, 1.53 TB on the Dell Precision 7920 Intel® Xeon® 3104.

  • Maximum internal memory
    • 384 GB
    • 1.53 TB
  • Memory slots
    • 12x DIMM
    • 24x DIMM
  • Number of storage drives supported
    • 5
    • 8
  • Ethernet LAN (RJ-45) ports
    • 1
    • 2
  • Number of 3.5" bays
    • 5
    • 10
  • Power supply
    • 950 W
    • 1400 W
  • Width
    • 176.5 mm
    • 218 mm
  • Depth
    • 518.3 mm
    • 566 mm

Side by side

Differences highlightedShow differences only
134 specifications
A

Dell

Precision 7820 Intel® Xeon® 3104

Model 7820

View product
B

Dell

Precision 7920 Intel® Xeon® 3104

Model 7920

View product
Processoridentical
Processor manufacturerIntelIntel
Processor familyIntel® Xeon®Intel® Xeon®
Processor generation1st Generation Intel® Xeon® Scalable1st Generation Intel® Xeon® Scalable
Processor model31043104
Processor cores66
Processor threads66
Processor frequency1.7 GHz1.7 GHz
Processor cache8.25 MB8.25 MB
Processor cache typeL3L3
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
Processor codenameSkylakeSkylake
Thermal Design Power (TDP)85 W85 W
Tcase78 °C78 °C
Maximum number of PCI Express lanes4848
PCI Express slots version3.03.0
Number of processors installed11
Processor socketLGA 3647 (Socket P)LGA 3647 (Socket P)
SteppingU0U0
Maximum internal memory supported by processor768 GB768 GB
Memory types supported by processorDDR4-SDRAMDDR4-SDRAM
Memory clock speeds supported by processor2133 MHz2133 MHz
ECC supported by processorYesYes
Memory2 differ
Internal memory16 GB16 GB
Maximum internal memoryDiffers384 GB1.53 TB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Memory layout (slots x size)2 x 8 GB2 x 8 GB
Memory slotsDiffers12x DIMM24x DIMM
Memory clock speed2666 MHz2666 MHz
ECCYesYes
Memory channelsHexa-channelHexa-channel
Storage1 differ
Total storage capacity500 GB500 GB
Optical drive typeNoNo
Storage mediaHDDHDD
Number of storage drives installed11
Number of storage drives supportedDiffers58
Number of HDDs installed11
HDD capacity500 GB500 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedYesYes
Compatible memory cardsSDSD
RAID supportKnown for oneYes
HDD sizeKnown for one2.5"
Graphicsidentical
Discrete graphics cardYesYes
On-board graphics cardNoNo
Discrete graphics card modelNVIDIA® NVS™ 310NVIDIA® NVS™ 310
Discrete graphics card memory1 GB1 GB
Discrete graphics memory typeGDDR3GDDR3
On-board graphics card modelNot availableNot available
CUDAYesYes
CUDA cores4848
NVIDIA G-SYNCNoNo
NVIDIA GameWorks VRNoNo
Graphics card DisplayPorts quantity22
Number of discrete graphics cardsKnown for one1
Performanceidentical
Product typeWorkstationWorkstation
Motherboard chipsetIntel® C621Intel® C621
Compatible processor seriesIntel® Xeon®Intel® Xeon®
Password protectionYesYes
Trusted Platform Module (TPM)YesYes
Audio output channelsKnown for one2.0 channels
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Wi-FiNoNo
Ports & interfaces1 differ
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity88
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity22
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
Thunderbolt ports quantity00
Thunderbolt 2 ports quantity00
Thunderbolt 3 ports quantity00
DisplayPorts quantity00
HDMI ports quantity00
Ethernet LAN (RJ-45) portsDiffers12
Combo headphone/mic portYesYes
Headphone outputs00
Line-outYesYes
Microphone inYesYes
VGA (D-Sub) ports quantity00
DVI portNoNo
Mini HDMI ports quantity00
Mini DisplayPorts quantity00
PS/2 ports quantity22
Serial ports quantity11
Expansion slots1 differ
Number of 3.5" baysDiffers510
PCI Express x8 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsKnown for one2
Power1 differ
Power supplyDiffers950 W1400 W
Power supply input voltage100 - 240 V100 - 240 V
Designidentical
Chassis typeTowerTower
Placement supportedHorizontal/VerticalHorizontal/Vertical
Number of 2.5" bays66
Cable lock slotYesYes
Liquid cooling systemNoNo
Product colourBlackBlack
Softwareidentical
Drivers includedYesYes
Operating system installedKnown for oneWindows 10 Pro for Workstations
Operating system architectureKnown for one64-bit
Displayidentical
Display includedNoNo
Processor special featuresidentical
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Intel 64YesYes
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
Processor ARK ID123546123546
Processor codeSR3GMSR3GM
Processor package size76.0 x 56.5 mm76.0 x 56.5 mm
Scalability2S2S
Supported instruction setsAVX, AVX 2.0, AVX-512, SSE4.2AVX, AVX 2.0, AVX-512, SSE4.2
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Conflict-Free processorYesYes
Audioidentical
Audio chipRealtek ALC3234Realtek ALC3234
Audio systemHigh Definition AudioHigh Definition Audio
Operational conditionsidentical
Operating temperature (T-T)5 - 35 °C5 - 35 °C
Storage temperature (T-T)-40 - 65 °C-40 - 65 °C
Operating relative humidity (H-H)8 - 85%8 - 85%
Storage relative humidity (H-H)5 - 95%5 - 95%
Weight & dimensions3 differ
WidthDiffers176.5 mm218 mm
DepthDiffers518.3 mm566 mm
HeightDiffers417.9 mm433 mm
WeightKnown for one24.3 kg
Packaging contentidentical
Mouse includedNoNo
Keyboard includedNoNo
Cables includedACAC

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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