Xeon E-2478 vs EPYC Embedded 3101

Primary details

Comparing EPYC Embedded 3101 and Xeon E-2478 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	AMD EPYC Embedded	no data
Architecture codename	Zen (2017−2020)	Raptor Lake-S
Release date	21 February 2018 (6 years ago)	14 December 2023 (less than a year ago)

Detailed specifications

EPYC Embedded 3101 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	2.1 GHz	2.8 GHz
Boost clock speed	2.9 GHz	5.2 GHz
L1 cache	96K (per core)	80 KB (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	8 MB (shared)	24 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	213 mm2	257 mm2
Maximum core temperature	no data	100 °C
Number of transistors	4,800 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on EPYC Embedded 3101 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 (Uniprocessor)	1
Socket	AMD BGA SP4r2	FCLGA1700
Power consumption (TDP)	35 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC Embedded 3101 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	+	+
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

EPYC Embedded 3101 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 EPYC Embedded 3101 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 EPYC Embedded 3101 and Xeon E-2478. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5-4800
Maximum memory size	512 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 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 EPYC Embedded 3101 and Xeon E-2478.

PCIe version	3.0	5
PCI Express lanes	32	20

Pros & cons summary

---

Recency	21 February 2018	14 December 2023
Physical cores	4	8
Threads	4	16
Power consumption (TDP)	35 Watt	80 Watt

---

Should you still have questions on choice between EPYC Embedded 3101 and Xeon E-2478, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---