Product comparison · 2 servers

Dell PowerEdge R720 server vs Dell PowerEdge T420 server

87specifications compared
17differ
70identical
20known for one product only

Key differences

Processor model
- PowerEdge R720 server:E5-2603
- PowerEdge T420 server:E5-2403
Memory channels supported by processor
- PowerEdge R720 server:Quad
- PowerEdge T420 server:Triple
Maximum internal memory supported by processor
- PowerEdge R720 server:750 GB
- PowerEdge T420 server:375 GB
Maximum number of PCI Express lanes
- PowerEdge R720 server:40
- PowerEdge T420 server:24
Memory bandwidth supported by processor (max)
- PowerEdge R720 server:34.1 GB/s
- PowerEdge T420 server:25 GB/s
Number of QPI links
- PowerEdge R720 server:2
- PowerEdge T420 server:1
Processor codename
- PowerEdge R720 server:Sandy Bridge EP
- PowerEdge T420 server:Sandy Bridge EN
Processor package size
- PowerEdge R720 server:52.5 x 45.0 mm
- PowerEdge T420 server:45 x 42.5 mm

Side by side

Differences highlightedShow differences only

Comparison of R720, T420
107 specifications	A Dell PowerEdge R720 server Model R720 View product	B Dell PowerEdge T420 server Model T420 View product
Processor10 differ
Processor modelDiffers	E5-2603	E5-2403
Memory channels supported by processorDiffers	Quad	Triple
CPU multiplier (bus/core ratio)Known for one	18	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Maximum internal memory supported by processorDiffers	750 GB	375 GB
Maximum number of PCI Express lanesDiffers	40	24
Memory bandwidth supported by processor (max)Differs	34.1 GB/s	25 GB/s
Number of QPI linksDiffers	2	1
PCI Express configurationsKnown for one	x4, x8, x16	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	46 bit	Unknown — not stated by the source
Processor codenameDiffers	Sandy Bridge EP	Sandy Bridge EN
Processor package sizeDiffers	52.5 x 45.0 mm	45 x 42.5 mm
Processor seriesDiffers	Intel Xeon E5-2600	Intel Xeon E5-2400
Processor socketDiffers	LGA 2011 (Socket R)	LGA 1356 (Socket B2)
TcaseKnown for one	70 °C	Unknown — not stated by the source
Processor codeKnown for one	Unknown — not stated by the source	SR0LS
Memory2 differ
Memory slotsDiffers	24x DIMM	12x DIMM
Maximum internal memoryDiffers	768 GB	192 GB
Storage2 differ
Number of HDDs supportedDiffers	8	4
Optical drive typeDiffers	DVD-ROM	No
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Ethernet interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfacesidentical
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x8 slotsKnown for one	6	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	Rack (2U)	Tower (5U)
Rack mountingKnown for one	Yes	Unknown — not stated by the source
Processor special features1 differ
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	64592	64615
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Number of power supply unitsKnown for one	1	Unknown — not stated by the source
Power supplyDiffers	495 W	550 W
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
CD read speedKnown for one	16x	Unknown — not stated by the source

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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