Product comparison · 2 cpus

HP 645836-L21 processor vs HP BL490C G7 L5640 FIO KIT

14specifications compared
9differ
5identical
10known for one product only

Key differences

Processor family
- 645836-L21 processor:Intel® Xeon® E3 Family
- BL490C G7 L5640 FIO KIT:Intel® Xeon® 5000 Sequence
Processor model
- 645836-L21 processor:E3-1280
- BL490C G7 L5640 FIO KIT:L5640
Processor base frequency
- 645836-L21 processor:3.5 GHz
- BL490C G7 L5640 FIO KIT:2.26 GHz
Processor cores
- 645836-L21 processor:4
- BL490C G7 L5640 FIO KIT:6
Processor socket
- 645836-L21 processor:LGA 1155 (Socket H2)
- BL490C G7 L5640 FIO KIT:Socket B (LGA 1366)
Processor threads
- 645836-L21 processor:8
- BL490C G7 L5640 FIO KIT:12
System bus rate
- 645836-L21 processor:5 GT/s
- BL490C G7 L5640 FIO KIT:5.86 GT/s
Processor cache
- 645836-L21 processor:8 MB
- BL490C G7 L5640 FIO KIT:12 MB

Side by side

Differences highlightedShow differences only

Comparison of 645836-L21, BL490C G7 L5640 FIO KIT
24 specifications	A HP 645836-L21 processor Model 645836-L21 View product	B HP BL490C G7 L5640 FIO KIT View product
Processor9 differ
Processor familyDiffers	Intel® Xeon® E3 Family	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E3-1280	L5640
Processor base frequencyDiffers	3.5 GHz	2.26 GHz
Processor coresDiffers	4	6
Processor socketDiffers	LGA 1155 (Socket H2)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Package typeKnown for one	Unknown — not stated by the source	Tray
Component for	Server/workstation	Server/workstation
Processor threadsDiffers	8	12
System bus rateDiffers	5 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.8 GHz
Processor cacheDiffers	8 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	95 W	60 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.750 - 1.350 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	17
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	32 GB/s
Memoryidentical
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	288 GB
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066,1333 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
ECCKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Market segment	Server	Server
Other featuresidentical
Temperature (max)Known for one	Unknown — not stated by the source	69.4 °C

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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