Core 2 Duo E8400 vs Xeon E5-2658 v4

Primary details

Comparing Xeon E5-2658 v4 and Core 2 Duo E8400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	772	2562
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	13.97	1.86
Market segment	Laptop	Desktop processor
Series	Intel Xeon E5	no data
Architecture codename	Broadwell (2015−2019)	Wolfdale (2008−2010)
Release date	20 June 2016 (8 years ago)	1 January 2008 (16 years ago)
Launch price (MSRP)	$1,832	no data
Current price	$169 (0.1x MSRP)	$61

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2658 v4 has 651% better value for money than Core 2 Duo E8400.

Detailed specifications

Xeon E5-2658 v4 and Core 2 Duo E8400 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	14 (Tetradeca-Core)	2 (Dual-core)
Threads	28	2
Base clock speed	no data	3 GHz
Boost clock speed	2.3 GHz	3 GHz
Bus support	2 × 9.6 GT/s	no data
L1 cache	no data	64 KB (per core)
L2 cache	3.5 MB	6 MB (shared)
L3 cache	35 MB	0 KB
Chip lithography	14 nm	45 nm
Die size	306.18 mm2	104 mm2
Maximum core temperature	no data	72 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	4700 Million	410 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	0.85V-1.3625V

Compatibility

Information on Xeon E5-2658 v4 and Core 2 Duo E8400 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 (Multiprocessor)	1
Socket	no data	LGA775
Power consumption (TDP)	105 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2658 v4 and Core 2 Duo E8400. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2658 v4 and Core 2 Duo E8400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2658 v4 and Core 2 Duo E8400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2658 v4 and Core 2 Duo E8400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR1, DDR2, DDR3
Maximum memory size	1,536 GB	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2658 v4 and Core 2 Duo E8400.

PCIe version	3.0	2.0
PCI Express lanes	40	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 E5-2658 v4 outperforms Core 2 Duo E8400 by 1144% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	9.33	0.75
Recency	20 June 2016	1 January 2008
Physical cores	14	2
Threads	28	2
Chip lithography	14 nm	45 nm
Power consumption (TDP)	105 Watt	65 Watt

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Should you still have questions on choice between Xeon E5-2658 v4 and Core 2 Duo E8400, ask them in Comments section, and we shall answer.

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