Product comparison · 2 cpus

Acer 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit vs HP Intel Core 2 Quad Q9400

10specifications compared
9differ
1identical
6known for one product only

Key differences

The HP Intel Core 2 Quad Q9400 has 0.26 GHz more processor base frequency than the Acer 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit (2.66 GHz vs 2.4 GHz). The Acer 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit has 10 MB more processor cache than the HP Intel Core 2 Quad Q9400 (16 MB vs 6 MB). The HP Intel Core 2 Quad Q9400 has 267 MHz more processor front side bus than the Acer 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit (1333 MHz vs 1066 MHz). Processor family: Intel® Xeon® E7 Family on the Acer 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit, Intel® Core™2 Quad on the HP Intel Core 2 Quad Q9400. Processor model: E7440 on the Acer 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit, Q9400 on the HP Intel Core 2 Quad Q9400.

Processor family
- 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit:Intel® Xeon® E7 Family
- Intel Core 2 Quad Q9400:Intel® Core™2 Quad
Processor model
- 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit:E7440
- Intel Core 2 Quad Q9400:Q9400
Processor base frequency
- 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit:2.4 GHz
- Intel Core 2 Quad Q9400:2.66 GHz
Processor socket
- 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit:Socket 604 (mPGA604)
- Intel Core 2 Quad Q9400:LGA 775 (Socket T)
Package type
- 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit:Box
- Intel Core 2 Quad Q9400:Tray
Processor cache
- 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit:16 MB
- Intel Core 2 Quad Q9400:6 MB
Processor cache type
- 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit:L3
- Intel Core 2 Quad Q9400:L2
Processor front side bus
- 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit:1066 MHz
- Intel Core 2 Quad Q9400:1333 MHz

Side by side

Differences highlightedShow differences only

Comparison of 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit, Intel Core 2 Quad Q9400
16 specifications	A Acer 2x Xeon QC E7440 2.40GHz, 1066MHz, 16MB cache L3, 90W TDP, R920 upgrade kit View product	B HP Intel Core 2 Quad Q9400 View product
Processor9 differ
Processor familyDiffers	Intel® Xeon® E7 Family	Intel® Core™2 Quad
Processor modelDiffers	E7440	Q9400
Processor base frequencyDiffers	2.4 GHz	2.66 GHz
Processor coresKnown for one	Unknown — not stated by the source	4
Processor socketDiffers	Socket 604 (mPGA604)	LGA 775 (Socket T)
Processor lithographyKnown for one	Unknown — not stated by the source	45 nm
Package typeDiffers	Box	Tray
Processor cacheDiffers	16 MB	6 MB
Processor cache typeDiffers	L3	L2
Processor front side busDiffers	1066 MHz	1333 MHz
Thermal Design Power (TDP)Differs	90 W	95 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	0.8500 - 1.3625 V
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	8
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Featuresidentical
Market segmentKnown for one	Server	Unknown — not stated by the source

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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