Product comparison · 2 servers

Lenovo ThinkServer RD640 server vs Lenovo Flex System x240 server Intel® Xeon® E5 Family E5-2609V2

93specifications compared
34differ
59identical
30known for one product only

Key differences

Processor model
- ThinkServer RD640 server:E5-2640
- Flex System x240 server Intel® Xeon® E5 Family E5-2609V2:E5-2609V2
Processor boost frequency
- ThinkServer RD640 server:3 GHz
- Flex System x240 server Intel® Xeon® E5 Family E5-2609V2:2.5 GHz
Processor cores
- ThinkServer RD640 server:6
- Flex System x240 server Intel® Xeon® E5 Family E5-2609V2:4
Processor cache
- ThinkServer RD640 server:15 MB
- Flex System x240 server Intel® Xeon® E5 Family E5-2609V2:10 MB
Motherboard chipset
- ThinkServer RD640 server:Intel® C602J
- Flex System x240 server Intel® Xeon® E5 Family E5-2609V2:Intel C600
Thermal Design Power (TDP)
- ThinkServer RD640 server:95 W
- Flex System x240 server Intel® Xeon® E5 Family E5-2609V2:80 W
System bus rate
- ThinkServer RD640 server:7.2 GT/s
- Flex System x240 server Intel® Xeon® E5 Family E5-2609V2:6.4 GT/s
Embedded options available
- ThinkServer RD640 server:No
- Flex System x240 server Intel® Xeon® E5 Family E5-2609V2:Yes

Side by side

Differences highlightedShow differences only

Comparison of RD640, x240
123 specifications	A Lenovo ThinkServer RD640 server Model RD640 View product	B Lenovo Flex System x240 server Intel® Xeon® E5 Family E5-2609V2 Model x240 View product
Processor16 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon® E5 Family	Intel® Xeon® E5 Family
Processor modelDiffers	E5-2640	E5-2609V2
Processor frequency	2.5 GHz	2.5 GHz
Processor boost frequencyDiffers	3 GHz	2.5 GHz
Processor coresDiffers	6	4
Processor cacheDiffers	15 MB	10 MB
Motherboard chipsetDiffers	Intel® C602J	Intel C600
Memory channels supported by processor	Quad	Quad
Number of processors installed	1	1
Thermal Design Power (TDP)Differs	95 W	80 W
Processor cache type	Smart Cache	Smart Cache
System bus rateDiffers	7.2 GT/s	6.4 GT/s
Bus type	QPI	QPI
CPU multiplier (bus/core ratio)Known for one	30	Unknown — not stated by the source
ECC supported by processor	Yes	Yes
Embedded options availableDiffers	No	Yes
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	768 GB
Maximum number of PCI Express lanes	40	40
Memory bandwidth supported by processor (max)	42.6 GB/s	42.6 GB/s
Memory clock speeds supported by processorDiffers	800,1066,1333,1600 MHz	800,1066,1333 MHz
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Number of QPI links	2	2
PCI Express configurations	x4, x8, x16	x4, x8, x16
Physical Address Extension (PAE)	46 bit	46 bit
Processor codenameDiffers	Sandy Bridge EP	Ivy Bridge EP
Processor lithographyDiffers	32 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor package sizeDiffers	52.5 x 45.0 mm	52.5 x 45 mm
Processor seriesDiffers	Intel Xeon E5-2600	Intel Xeon E5-2600 v2
Processor socket	LGA 2011 (Socket R)	LGA 2011 (Socket R)
Processor threadsDiffers	12	4
Scalability	2S	2S
SteppingKnown for one	C2	Unknown — not stated by the source
Supported instruction sets	AVX	AVX
TcaseDiffers	73 °C	71 °C
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	2
Memory3 differ
Internal memoryDiffers	16 GB	8 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory slotsDiffers	20	24x DIMM
Maximum internal memoryDiffers	320 GB	768 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Storage2 differ
Maximum storage capacityDiffers	16 TB	6.4 TB
Total storage capacityKnown for one	0 GB	Unknown — not stated by the source
Number of HDDs installedKnown for one	0	Unknown — not stated by the source
HDD interface	Serial ATA, Serial Attached SCSI (SAS)	Serial ATA, Serial Attached SCSI (SAS)
HDD size	2.5"	2.5"
Number of HDDs supportedKnown for one	16	Unknown — not stated by the source
RAID support	Yes	Yes
RAID levelsDiffers	1, 5, 6, 10, 50, 60	0, 1
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ethernet LANDiffers	Yes	No
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsKnown for one	2	Unknown — not stated by the source
USB 2.0 ports quantityDiffers	6	1
VGA (D-Sub) ports quantityKnown for one	2	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x8 (Gen 3.x) slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 (Gen 3.x) slots	1	1
PCI Express slots version	3.0	3.0
Designidentical
Chassis typeKnown for one	Rack (2U)	Unknown — not stated by the source
Performanceidentical
BIOS typeKnown for one	UEFI	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installed	No	No
Compatible operating systemsDiffers	Microsoft Windows Server 2012 Microsoft Windows Server 2008 Microsoft Windows Server 2008 R2 Microsoft Windows Small Business Server 2011 Novel SUSE Linux Enterprise Server Red Hat Enterprise Linux Server VMware ESXi	Microsoft Windows Server 2008 R2, Red Hat Enterprise Linux 5 and 6, SUSE Linux Enterprise Server 10 and 11, VMware ESX 4
Processor special features3 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 version	1.00	1.00
Intel TSX-NI version	0.00	0.00
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® 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)Differs	Yes	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 Key	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	64591	75787
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Redundant power supply (RPS) supportKnown for one	Yes	Unknown — not stated by the source
Power supplyKnown for one	800 W	Unknown — not stated by the source
Operational conditions4 differ
Operating temperature (T-T)Differs	10 - 35 °C	5 - 40 °C
Storage temperature (T-T)Differs	-40 - 70 °C	1 - 60 °C
Operating relative humidity (H-H)Differs	8 - 80%	8 - 85%
Storage relative humidity (H-H)Differs	8 - 90%	5 - 80%
Operating altitude	0 - 3048 m	0 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	0 - 10700 m
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	441.9 mm	217 mm
DepthDiffers	87.3 mm	492 mm
HeightDiffers	720.5 mm	56 mm
Package widthKnown for one	Unknown — not stated by the source	430 mm
Package depthKnown for one	Unknown — not stated by the source	603 mm
Package heightKnown for one	Unknown — not stated by the source	197 mm
Package weightKnown for one	Unknown — not stated by the source	8 kg
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	16 MB
Other featuresidentical
Graphics cardKnown for one	Unknown — not stated by the source	G200eR2
Graphics card familyKnown for one	Unknown — not stated by the source	Matrox

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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