EPYC Embedded 3151 vs Xeon E5420

Primary details

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

Place in the ranking	2592	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.06	no data
Market segment	Server	Server
Series	no data	AMD EPYC Embedded
Power efficiency	0.62	no data
Designer	Intel	AMD
Manufacturer	Intel	GlobalFoundries
Architecture codename	Harpertown (2007−2008)	Zen (2017−2020)
Release date	11 November 2007 (18 years ago)	21 February 2018 (7 years ago)
Launch price (MSRP)	$316	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Xeon E5420 and EPYC Embedded 3151 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)	4 (Quad-Core)
Threads	4	8
Base clock speed	2.5 GHz	2.7 GHz
Boost clock speed	2.5 GHz	2.7 GHz
Multiplier	no data	27
L1 cache	64 KB (per core)	384 KB
L2 cache	6 MB (per die)	2 MB
L3 cache	12 MB L2 Cache	16 MB (shared)
Chip lithography	45 nm	14 nm
Die size	2x 107 mm2	213 mm2
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	820 million	4800 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Xeon E5420 and EPYC Embedded 3151 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	1 (Uniprocessor)
Socket	LGA771	AMD BGA SP4r2
Power consumption (TDP)	80 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5420 and EPYC Embedded 3151. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5420 and EPYC Embedded 3151 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 E5420 and EPYC Embedded 3151 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5420 and EPYC Embedded 3151. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2, DDR3 Depends on motherboard	DDR4-2666
Maximum memory size	no data	512 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	42.671 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5420 and EPYC Embedded 3151.

PCIe version	2.0	3.0
PCI Express lanes	no data	32

Pros & cons summary

---

Recency	11 November 2007	21 February 2018
Threads	4	8
Chip lithography	45 nm	14 nm
Power consumption (TDP)	80 Watt	45 Watt

Vote for your favorite

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

---