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 manufacturer	Intel	Intel
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2603	E5-2403
Processor frequency	1.8 GHz	1.8 GHz
Processor cores	4	4
Processor cache	10 MB	10 MB
Motherboard chipset	Intel C600	Intel C600
Memory channels supported by processorDiffers	Quad	Triple
Number of processors installed	1	1
Thermal Design Power (TDP)	80 W	80 W
Processor cache type	Smart Cache	Smart Cache
System bus rate	6.4 GT/s	6.4 GT/s
Bus type	QPI	QPI
CPU multiplier (bus/core ratio)Known for one	18	Unknown — not stated by the source
ECC supported by processor	Yes	Yes
Embedded options available	No	No
Execute Disable Bit	Yes	Yes
FSB Parity	No	No
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Idle States	Yes	Yes
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
Memory clock speeds supported by processor	800,1066 MHz	800,1066 MHz
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
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 lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
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)
Processor threads	4	4
Scalability	2S	2S
Stepping	M1	M1
Supported instruction sets	AVX	AVX
TcaseKnown for one	70 °C	Unknown — not stated by the source
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Processor codeKnown for one	Unknown — not stated by the source	SR0LS
Memory2 differ
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)	1 x 2 GB	1 x 2 GB
Memory slotsDiffers	24x DIMM	12x DIMM
Maximum internal memoryDiffers	768 GB	192 GB
Storage2 differ
Maximum storage capacity	24 TB	24 TB
Total storage capacity	500 GB	500 GB
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	Serial ATA	Serial ATA
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
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 LAN	Yes	Yes
Ethernet interface typeKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Networking features	Gigabit Ethernet	Gigabit Ethernet
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	2	2
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
PCI Express slots version	3.0	3.0
Design1 differ
Chassis typeDiffers	Rack (2U)	Tower (5U)
Rack mountingKnown for one	Yes	Unknown — not stated by the source
Processor special features1 differ
CPU configuration (max)	2	2
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	Yes	Yes
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	0.00	0.00
Intel Rapid Storage Technology	No	No
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 Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Identity Protection Technology (Intel® IPT)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	64592	64615
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Redundant power supply (RPS) support	No	No
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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