EPYC 7663 vs Xeon E7-4807

Primary details

Comparing Xeon E7-4807 and EPYC 7663 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	31
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	4.64
Market segment	Server	Server
Series	Intel Xeon E7	AMD EPYC
Power efficiency	no data	20.38
Architecture codename	Westmere (2010−2011)	Milan (2021−2023)
Release date	5 April 2011 (13 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$890	$6,366

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E7-4807 and EPYC 7663 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	6 (Hexa-Core)	56 (Hexapentaconta-Core)
Threads	12	112
Base clock speed	1.86 GHz	2 GHz
Boost clock speed	0.07 GHz	3.5 GHz
Bus type	QPI	no data
Bus rate	4.8 GT/s	no data
Multiplier	14	20
L1 cache	384 KB	64 KB (per core)
L2 cache	1.5 MB	512 KB (per core)
L3 cache	18 MB	256 MB (shared)
Chip lithography	32 nm	7 nm+
Die size	513 mm2	8x 81 mm2
Maximum core temperature	70 °C	no data
Number of transistors	2600 Million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E7-4807 and EPYC 7663 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 (Multiprocessor)	2
Socket	FCLGA1567,LGA1567	SP3
Power consumption (TDP)	95 Watt	240 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-4807 and EPYC 7663. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	-

Security technologies

Xeon E7-4807 and EPYC 7663 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 E7-4807 and EPYC 7663 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-4807 and EPYC 7663. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-800	DDR4-3200
Maximum memory size	2 TB	4 TiB
Max memory channels	4	no data
Maximum memory bandwidth	25.598 GB/s	204.795 GB/s
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 E7-4807 and EPYC 7663.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	5 April 2011	15 March 2021
Physical cores	6	56
Threads	12	112
Chip lithography	32 nm	7 nm
Power consumption (TDP)	95 Watt	240 Watt

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