Product comparison · 2 servers

Dell PowerEdge R640 server vs Dell PowerEdge R740xd server

62specifications compared
20differ
42identical
24known for one product only

Key differences

Processor family
- PowerEdge R640 server:Intel Xeon Silver
- PowerEdge R740xd server:Intel® Xeon®
Processor model
- PowerEdge R640 server:4116
- PowerEdge R740xd server:4108
Processor frequency
- PowerEdge R640 server:2.1 GHz
- PowerEdge R740xd server:1.8 GHz
Processor cores
- PowerEdge R640 server:12
- PowerEdge R740xd server:8
Processor cache
- PowerEdge R640 server:16.5 MB
- PowerEdge R740xd server:11 MB
Memory channels supported by processor
- PowerEdge R640 server:Hexa
- PowerEdge R740xd server:Hepta
Embedded options available
- PowerEdge R640 server:Yes
- PowerEdge R740xd server:No
Processor code
- PowerEdge R640 server:SR3HQ
- PowerEdge R740xd server:SR3GJ

Side by side

Differences highlightedShow differences only

Comparison of R640, R740xd
86 specifications	A Dell PowerEdge R640 server Model R640 View product	B Dell PowerEdge R740xd server Model R740xd View product
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Xeon Silver	Intel® Xeon®
Processor generation	1st Generation Intel® Xeon® Scalable	1st Generation Intel® Xeon® Scalable
Processor modelDiffers	4116	4108
Processor frequencyDiffers	2.1 GHz	1.8 GHz
Processor boost frequency	3 GHz	3 GHz
Processor coresDiffers	12	8
Processor cacheDiffers	16.5 MB	11 MB
Memory channels supported by processorDiffers	Hexa	Hepta
Number of processors installed	1	1
Thermal Design Power (TDP)	85 W	85 W
Processor cache type	L3	L3
ECC supported by processor	Yes	Yes
Embedded options availableDiffers	Yes	No
Execute Disable Bit	Yes	Yes
Maximum internal memory supported by processor	768 GB	768 GB
Maximum number of PCI Express lanes	48	48
Memory clock speeds supported by processor	2400 MHz	2400 MHz
Memory types supported by processor	DDR4-SDRAM	DDR4-SDRAM
Processor codeDiffers	SR3HQ	SR3GJ
Processor codename	Skylake	Skylake
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor package size	76.0 x 56.5 mm	76.0 x 56.5 mm
Processor socket	LGA 3647 (Socket P)	LGA 3647 (Socket P)
Processor threadsDiffers	24	16
Scalability	2S	2S
SteppingDiffers	M0	U0
Supported instruction sets	AVX, AVX 2.0, AVX-512, SSE4.2	AVX, AVX 2.0, AVX-512, SSE4.2
TcaseDiffers	76 °C	77 °C
Conflict-Free processor	Yes	Yes
Intelligent Platform Management Interface (IPMI) supportKnown for one	Yes	Unknown — not stated by the source
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory1 differ
Internal memory	16 GB	16 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
ECCKnown for one	Yes	Unknown — not stated by the source
Memory clock speedDiffers	2666 MHz	2400 MHz
Memory slots	24	24
Maximum internal memoryKnown for one	192 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	300 GB	1 TB
Number of HDDs installed	1	1
HDD capacityDiffers	300 GB	1 TB
HDD interfaceKnown for one	Serial Attached SCSI (SAS)	Unknown — not stated by the source
HDD sizeDiffers	2.5"	3.5"
Supported HDD sizesKnown for one	2.5"	Unknown — not stated by the source
RAID supportKnown for one	Yes	Unknown — not stated by the source
RAID levelsKnown for one	0, 1, 5, 10	Unknown — not stated by the source
Hot-Plug supportKnown for one	Yes	Unknown — not stated by the source
Internal drive baysKnown for one	8	Unknown — not stated by the source
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
LAN controllerKnown for one	Broadcom 5720	Unknown — not stated by the source
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports	4	4
USB 2.0 ports quantityDiffers	1	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
Serial ports quantity	1	1
VGA (D-Sub) ports quantityDiffers	1	2
Expansion slotsidentical
PCI Express x8 (Gen 3.x) slotsKnown for one	3	Unknown — not stated by the source
PCI Express slots version	3.0	3.0
PCI Express x8 slotsKnown for one	Unknown — not stated by the source	4
Design1 differ
Chassis typeDiffers	Rack (1U)	Rack (2U)
Rack mounting	Yes	Yes
Rack rails	Yes	Yes
Performanceidentical
Remote administrationKnown for one	iDRAC9 Enterprise	Unknown — not stated by the source
Softwareidentical
Compatible operating systems	Canonical Ubuntu LTS Citrix XenServer Microsoft Windows Server with Hyper-V Red Hat Enterprise Linux SUSE Linux Enterprise Server VMware ESXi	Canonical Ubuntu LTS Citrix XenServer Microsoft Windows Server with Hyper-V Red Hat Enterprise Linux SUSE Linux Enterprise Server VMware ESXi
Operating system installedKnown for one	Unknown — not stated by the source	No
Processor special features1 differ
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel 64	Yes	Yes
Intel Secure BootKnown for one	Yes	Unknown — not stated by the source
Intel TSX-NI	Yes	Yes
Intel TSX-NI version	1.00	1.00
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® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	120481	123544
Weight & dimensions1 differ
DepthDiffers	705 mm	715.5 mm
WidthKnown for one	Unknown — not stated by the source	482 mm
HeightKnown for one	Unknown — not stated by the source	86.8 mm
WeightKnown for one	Unknown — not stated by the source	26.3 kg
Other featuresidentical
Dell E-Value CodeKnown for one	PER6402	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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