Xeon E-2478 vs E7-4890 v2

Primary details

Comparing Xeon E7-4890 v2 and Xeon E-2478 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	287	311
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	82.50
Market segment	Server	Server
Power efficiency	11.90	22.22
Architecture codename	no data	Raptor Lake-S (2023−2024)
Release date	1 January 2014 (10 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$568

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E7-4890 v2 and Xeon E-2478 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	15 (Pentadeca-Core)	8 (Octa-Core)
Threads	30	16
Base clock speed	2.8 GHz	2.8 GHz
Boost clock speed	3.4 GHz	5.2 GHz
Bus rate	8 GT/s	16 GT/s
L1 cache	no data	80 KB (per core)
L2 cache	no data	2 MB (per core)
L3 cache	37.5 MB	24 MB (shared)
Chip lithography	22 nm	Intel 7 nm
Die size	no data	257 mm2
Maximum core temperature	77 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E7-4890 v2 and Xeon E-2478 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	4	1
Socket	FCLGA2011	FCLGA1700
Power consumption (TDP)	155 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-4890 v2 and Xeon E-2478. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
PAE	46 Bit	no data
Turbo Boost Max 3.0	no data	+

Security technologies

Xeon E7-4890 v2 and Xeon E-2478 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-4890 v2 and Xeon E-2478 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-4890 v2 and Xeon E-2478. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333, DDR3-1600	DDR5-4800
Maximum memory size	1.5 TB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	85 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon E7-4890 v2 and Xeon E-2478.

PCIe version	3.0	5
PCI Express lanes	32	16

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.

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Pros & cons summary

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Performance score	20.22	19.49
Recency	1 January 2014	14 December 2023
Physical cores	15	8
Threads	30	16
Power consumption (TDP)	155 Watt	80 Watt

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Should you still have questions on choice between Xeon E7-4890 v2 and Xeon E-2478, ask them in Comments section, and we shall answer.

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