Product comparison · 2 servers

Lenovo 3850 X6 vs Lenovo x3750 M4

122specifications compared
46differ
76identical
24known for one product only

Key differences

Processor family
- 3850 X6:Intel® Xeon® E7 V2 Family
- x3750 M4:Intel® Xeon® E5 V2 Family
Processor model
- 3850 X6:E7-4860V2
- x3750 M4:E5-4627V2
Processor frequency
- 3850 X6:2.6 GHz
- x3750 M4:3.3 GHz
Processor boost frequency
- 3850 X6:3.2 GHz
- x3750 M4:3.6 GHz
Processor cores
- 3850 X6:12
- x3750 M4:8
Processor cache
- 3850 X6:30 MB
- x3750 M4:16 MB
Processor cache type
- 3850 X6:L3
- x3750 M4:Smart Cache
System bus rate
- 3850 X6:8 GT/s
- x3750 M4:7.2 GT/s

Side by side

Differences highlightedShow differences only

Comparison of 3850 X6, x3750 M4
146 specifications	A Lenovo 3850 X6 View product	B Lenovo x3750 M4 View product
Processor22 differ
Processor familyDiffers	Intel® Xeon® E7 V2 Family	Intel® Xeon® E5 V2 Family
Processor modelDiffers	E7-4860V2	E5-4627V2
Processor frequencyDiffers	2.6 GHz	3.3 GHz
Processor boost frequencyDiffers	3.2 GHz	3.6 GHz
Processor coresDiffers	12	8
Processor cacheDiffers	30 MB	16 MB
Processor cache typeDiffers	L3	Smart Cache
System bus rateDiffers	8 GT/s	7.2 GT/s
Maximum internal memory supported by processorDiffers	1.53 TB	768 GB
Maximum number of PCI Express lanesDiffers	32	40
Memory bandwidth supported by processor (max)Differs	85 GB/s	59.7 GB/s
Memory clock speeds supported by processorDiffers	1066,1333,1600 MHz	800,1066,1333,1600,1866 MHz
Number of QPI linksDiffers	3	2
Processor codeDiffers	SR1GX	SR1AD
Processor codenameDiffers	Ivy Bridge	Ivy Bridge EP
Processor package sizeDiffers	52 x 45 mm	52.5 x 45 mm
Processor seriesDiffers	Intel Xeon E7-4800 v2	Intel Xeon E5-4600 v2
Processor threadsDiffers	24	8
ScalabilityDiffers	S4S	4S
SteppingDiffers	D1	M1
TcaseDiffers	73 °C	88 °C
Conflict-Free processorDiffers	Yes	No
Intel Remote Management Module SupportKnown for one	IMM2	Unknown — not stated by the source
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Xeon®
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	4
Memory4 differ
Internal memoryDiffers	32 GB	16 GB
Memory clock speedDiffers	1600 MHz	1866 MHz
Memory layout (slots x size)Differs	4 x 8 GB	2 x 8 GB
Memory slotsDiffers	96	24
Storage5 differ
Maximum storage capacityDiffers	12.8 TB	25.6 TB
HDD interfaceDiffers	Serial ATA, Serial Attached SCSI (SAS)	Serial ATA III, Serial Attached SCSI (SAS)
Number of HDDs supportedDiffers	8	16
Number of SSDs supportedDiffers	8	32
RAID levelsDiffers	1, 10	0, 1, 10
Optical drive typeKnown for one	No	Unknown — not stated by the source
Supported HDD sizesKnown for one	Unknown — not stated by the source	1.8,2.5"
Internal drive baysKnown for one	Unknown — not stated by the source	4
Supported storage drive interfacesKnown for one	Unknown — not stated by the source	SAS, Serial ATA III
Graphics1 differ
On-board graphics cardDiffers	No	Yes
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Network1 differ
Ethernet interface typeDiffers	10 Gigabit Ethernet, Gigabit Ethernet	Gigabit Ethernet
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces3 differ
Ethernet LAN (RJ-45) portsDiffers	1	2
USB 2.0 ports quantityDiffers	5	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
RS-232 portsKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
PCI Express x8 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	5
Design1 differ
Chassis typeDiffers	Rack (4U)	Rack (2U)
Performanceidentical
Noise levelKnown for one	6.6 dB	Unknown — not stated by the source
Software1 differ
Compatible operating systemsDiffers	Microsoft Windows Server, Red Hat Enterprise Linux Server, SUSE Linux Enterprise Server, VMware vSphere Hypervisor	VMware vSphere 5.1 VMware vSphere 5 VMware ESX 4.1 VMware ESXi 4.1 VMware vSphere Hypervisor 4.1 U1 Microsoft Windows Server 2012 Microsoft Windows HPC Server 2008 R2 Microsoft Windows Server 2008 R2 x64 Windows Server 2008 Datacenter x64 Windows Server 2008 Enterprise x64 Microsoft Windows HPC Serv
Processor special features3 differ
Intel Demand Based SwitchingDiffers	No	Yes
Intel Instruction Replay TechnologyKnown for one	No	Unknown — not stated by the source
Intel Instruction Replay Technology versionKnown for one	0.00	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Processor ARK IDDiffers	75249	75287
Power1 differ
Number of redundant power supplies supportedKnown for one	4	Unknown — not stated by the source
Number of redundant power supplies installedKnown for one	2	Unknown — not stated by the source
Number of main power suppliesDiffers	2	1
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 40 °C	10 - 35 °C
Storage temperature (T-T)Known for one	5 - 45 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	8 - 85%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	8 - 85%	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 3050 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	0 - 3050 m	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	482 mm	445.6 mm
DepthDiffers	804 mm	734.1 mm
HeightDiffers	173 mm	86.5 mm
Other featuresidentical
Security featuresKnown for one	Power-on, admin password	Unknown — not stated by the source
S.M.A.R.T. supportKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes

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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