Xeon 5148 vs 5140

General info

Comparing Xeon 5140 and Xeon 5148 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2682	2659
Place by popularity	not in top-100	not in top-100
Value for money	4.27	3.05
Market segment	Server	Server
Architecture codename	Woodcrest (2006)	Woodcrest (2006)
Release date	June 2006 (17 years old)	June 2006 (17 years old)
Launch price (MSRP)	$15	$9
Current price	$122 (8.1x MSRP)	$32 (3.6x MSRP)

Value for money

Performance per price, higher is better.

Xeon 5140 has 40% better value for money than Xeon 5148.

Technical specs

Xeon 5140 and Xeon 5148 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	2 (Dual-core)	2 (Dual-core)
Threads	2	2
Base clock speed	2.33 GHz	no data
Boost clock speed	2.33 GHz	2.33 GHz
L1 cache	0 KB	0 KB
L2 cache	4 MB	4 MB
L3 cache	0 KB	0 KB
Chip lithography	65 nm	65 nm
Maximum core temperature	65 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	B2=1.0V-1.5V, G0=.85V-1.5V	no data

Compatibility

Information on Xeon 5140 and Xeon 5148 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	1	1
Socket	LGA771	771
Power consumption (TDP)	65 Watt	40 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon 5140 and Xeon 5148. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon 5140 and Xeon 5148 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon 5140 and Xeon 5148 are enumerated here.

VT-x	+	no data
EPT	-	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon 5140 and Xeon 5148. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR2

DDR2

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.

5148 outperforms 5140 by 7% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	0.56	0.60
Cost	$15	$9
Power consumption (TDP)	65 Watt	40 Watt

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Should you still have questions on choice between Xeon 5140 and Xeon 5148, ask them in Comments section, and we shall answer.

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