Product comparison · 2 cpus

HP Intel Core 2 Quad Q9400 vs Lenovo Xeon X5450

14specifications compared
9differ
5identical
6known for one product only

Key differences

The Lenovo Xeon X5450 has 0.34 GHz more processor base frequency than the HP Intel Core 2 Quad Q9400 (3 GHz vs 2.66 GHz). The Lenovo Xeon X5450 has 6 MB more processor cache than the HP Intel Core 2 Quad Q9400 (12 MB vs 6 MB). The Lenovo Xeon X5450 has 25 W more thermal Design Power (TDP) than the HP Intel Core 2 Quad Q9400 (120 W vs 95 W). Processor family: Intel® Core™2 Quad on the HP Intel Core 2 Quad Q9400, Intel® Xeon® on the Lenovo Xeon X5450. Processor model: Q9400 on the HP Intel Core 2 Quad Q9400, X5450 on the Lenovo Xeon X5450.

Processor family
- Intel Core 2 Quad Q9400:Intel® Core™2 Quad
- Xeon X5450:Intel® Xeon®
Processor model
- Intel Core 2 Quad Q9400:Q9400
- Xeon X5450:X5450
Processor base frequency
- Intel Core 2 Quad Q9400:2.66 GHz
- Xeon X5450:3 GHz
Processor socket
- Intel Core 2 Quad Q9400:LGA 775 (Socket T)
- Xeon X5450:LGA 771 (Socket J)
Package type
- Intel Core 2 Quad Q9400:Tray
- Xeon X5450:Box
Processor cache
- Intel Core 2 Quad Q9400:6 MB
- Xeon X5450:12 MB
Thermal Design Power (TDP)
- Intel Core 2 Quad Q9400:95 W
- Xeon X5450:120 W
VID Voltage Range
- Intel Core 2 Quad Q9400:0.8500 - 1.3625 V
- Xeon X5450:0.95 - 1.225 V

Side by side

Differences highlightedShow differences only

Comparison of Intel Core 2 Quad Q9400, Xeon X5450
20 specifications	A HP Intel Core 2 Quad Q9400 View product	B Lenovo Xeon X5450 View product
Processor9 differ
Processor familyDiffers	Intel® Core™2 Quad	Intel® Xeon®
Processor modelDiffers	Q9400	X5450
Processor base frequencyDiffers	2.66 GHz	3 GHz
Processor cores	4	4
Processor socketDiffers	LGA 775 (Socket T)	LGA 771 (Socket J)
Processor lithography	45 nm	45 nm
Package typeDiffers	Tray	Box
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	6 MB	12 MB
Processor cache type	L2	L2
L2 cache speedKnown for one	Unknown — not stated by the source	3 GHz
Processor front side bus	1333 MHz	1333 MHz
Thermal Design Power (TDP)Differs	95 W	120 W
VID Voltage RangeDiffers	0.8500 - 1.3625 V	0.95 - 1.225 V
SteppingKnown for one	Unknown — not stated by the source	C0
CPU multiplier (bus/core ratio)Differs	8	9
Processor system typeKnown for one	Unknown — not stated by the source	DP
Featuresidentical
Market segmentKnown for one	Unknown — not stated by the source	Server
Operational conditionsidentical
Maximum operating temperatureKnown for one	Unknown — not stated by the source	70 °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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