Pentium E5400 vs Xeon E5335

Primary details

Comparing Xeon E5335 and Pentium E5400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2371	2676
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	8.46
Market segment	Server	Desktop processor
Architecture codename	Clovertown	Wolfdale (2008−2010)
Release date	14 November 2006 (17 years ago)	January 2009 (15 years ago)
Launch price (MSRP)	no data	$55
Current price	$72	$9.49 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5335 and Pentium E5400 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2 GHz	2.7 GHz
Boost clock speed	2 GHz	2.7 GHz
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	4 MB (per die)	2 MB (shared)
L3 cache	8 MB L2 Cache	0 KB
Chip lithography	65 nm	45 nm
Die size	2x 143 mm2	82 mm2
Maximum core temperature	66 °C	74 °C
Maximum case temperature (TCase)	66 °C	no data
Number of transistors	582 million	228 million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	No	No
VID voltage range	1V-1.5V	0.85V-1.3625V

Compatibility

Information on Xeon E5335 and Pentium E5400 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	2	1
Socket	LGA771,PLGA771	LGA775
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5335 and Pentium E5400. You'll probably need this information if you require some particular technology.

AES-NI	no data	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	-	-
FSB parity	+	no data
Status	Discontinued	Discontinued

Security technologies

Xeon E5335 and Pentium E5400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5335 and Pentium E5400 are enumerated here.

VT-d	no data	-
VT-x	+	no data
EPT	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5335 and Pentium E5400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2, DDR3 Depends on motherboard

DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon E5335 outperforms Pentium E5400 by 59% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.00	0.63
Physical cores	4	2
Threads	4	2
Chip lithography	65 nm	45 nm
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Xeon E5335 and Pentium E5400, ask them in Comments section, and we shall answer.

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