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 modelDiffers	E5-2640	E5-2609V2
Processor boost frequencyDiffers	3 GHz	2.5 GHz
Processor coresDiffers	6	4
Processor cacheDiffers	15 MB	10 MB
Motherboard chipsetDiffers	Intel® C602J	Intel C600
Thermal Design Power (TDP)Differs	95 W	80 W
System bus rateDiffers	7.2 GT/s	6.4 GT/s
CPU multiplier (bus/core ratio)Known for one	30	Unknown — not stated by the source
Embedded options availableDiffers	No	Yes
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Maximum internal memory supported by processorDiffers	750 GB	768 GB
Memory clock speeds supported by processorDiffers	800,1066,1333,1600 MHz	800,1066,1333 MHz
Processor codenameDiffers	Sandy Bridge EP	Ivy Bridge EP
Processor lithographyDiffers	32 nm	22 nm
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 threadsDiffers	12	4
SteppingKnown for one	C2	Unknown — not stated by the source
TcaseDiffers	73 °C	71 °C
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
Number of HDDs supportedKnown for one	16	Unknown — not stated by the source
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
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
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
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	1.0	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%
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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