Product comparison · 2 cpus

Dell Xeon X5650 vs HP Intel Xeon E5645

36specifications compared
7differ
29identical
8known for one product only

Key differences

The Dell Xeon X5650 has 0.26 GHz more processor base frequency than the HP Intel Xeon E5645 (2.66 GHz vs 2.4 GHz). The Dell Xeon X5650 has 0.54 GT/s more system bus rate than the HP Intel Xeon E5645 (6.4 GT/s vs 5.86 GT/s). The Dell Xeon X5650 has 0.39 GHz more processor boost frequency than the HP Intel Xeon E5645 (3.06 GHz vs 2.67 GHz). Processor model: X5650 on the Dell Xeon X5650, E5645 on the HP Intel Xeon E5645. Supported instruction sets: AES, SSE4.2 on the Dell Xeon X5650, SSE4.2 on the HP Intel Xeon E5645.

Processor model
- Xeon X5650:X5650
- Intel Xeon E5645:E5645
Processor base frequency
- Xeon X5650:2.66 GHz
- Intel Xeon E5645:2.4 GHz
System bus rate
- Xeon X5650:6.4 GT/s
- Intel Xeon E5645:5.86 GT/s
Processor boost frequency
- Xeon X5650:3.06 GHz
- Intel Xeon E5645:2.67 GHz
Thermal Design Power (TDP)
- Xeon X5650:95 W
- Intel Xeon E5645:90 W
Supported instruction sets
- Xeon X5650:AES, SSE4.2
- Intel Xeon E5645:SSE4.2
Tcase
- Xeon X5650:81.3 °C
- Intel Xeon E5645:76.2 °C

Side by side

Differences highlightedShow differences only

Comparison of Xeon X5650, Intel Xeon E5645
44 specifications	A Dell Xeon X5650 View product	B HP Intel Xeon E5645 View product
Processor5 differ
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	X5650	E5645
Processor base frequencyDiffers	2.66 GHz	2.4 GHz
Processor cores	6	6
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Processor lithography	32 nm	32 nm
Component for	Server/workstation	Server/workstation
Processor threads	12	12
System bus rateDiffers	6.4 GT/s	5.86 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyDiffers	3.06 GHz	2.67 GHz
Processor cache	12 MB	12 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	95 W	90 W
VID Voltage Range	0.75 - 1.35 V	0.75 - 1.35 V
SteppingKnown for one	Unknown — not stated by the source	B1
Bus type	QPI	QPI
Number of QPI links	2	2
Memory bandwidth supported by processor (max)	32 GB/s	32 GB/s
Memoryidentical
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066,1333 MHz	800,1066,1333 MHz
Memory channels	Triple-channel	Triple-channel
ECC	Yes	Yes
Maximum internal memory supported by processorKnown for one	288 GB	Unknown — not stated by the source
Graphicsidentical
On-board graphics card	No	No
Features1 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	No
Market segment	Server	Server
Supported instruction setsDiffers	AES, SSE4.2	SSE4.2
Embedded options availableKnown for one	Unknown — not stated by the source	Yes
CPU configuration (max)Known for one	2	Unknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Trusted Execution Technology	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost Technology	Yes	Yes
Intel Demand Based Switching	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Operational conditions1 differ
TcaseDiffers	81.3 °C	76.2 °C
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x

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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