Xeon E-2478 vs FX-770K

Primary details

Comparing FX-770K and Xeon E-2478 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1894	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Architecture codename	Kaveri (2014−2015)	Raptor Lake-S
Release date	December 2014 (9 years ago)	14 December 2023 (less than a year ago)
Current price	$28	no data

Detailed specifications

FX-770K 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	4 (Quad-Core)	8 (Octa-Core)
Threads	4	16
Base clock speed	3.5 GHz	2.8 GHz
Boost clock speed	3.9 GHz	5.2 GHz
L1 cache	256K	80 KB (per core)
L2 cache	4 MB	2 MB (per core)
L3 cache	no data	24 MB (shared)
Chip lithography	28 nm	Intel 7 nm
Die size	245 mm2	257 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	no data
64 bit support	+	+
Unlocked multiplier	Yes	No

Compatibility

Information on FX-770K 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	1	1
Socket	FM2+	FCLGA1700
Power consumption (TDP)	65 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-770K and Xeon E-2478. You'll probably need this information if you require some particular technology.

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

Security technologies

FX-770K and Xeon E-2478 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-770K and Xeon E-2478 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-770K and Xeon E-2478. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-2133	DDR5-4800
Maximum memory size	no data	128 GB
Max memory channels	no data	2
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by FX-770K and Xeon E-2478.

PCIe version	3.0	5
PCI Express lanes	16	20

Pros & cons summary

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Physical cores	4	8
Threads	4	16
Power consumption (TDP)	65 Watt	80 Watt

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Should you still have questions on choice between FX-770K and Xeon E-2478, ask them in Comments section, and we shall answer.

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