EPYC 7763 vs Xeon E7-4820

Primary details

Comparing Xeon E7-4820 and EPYC 7763 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	21
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	32.57
Market segment	Server	Server
Series	Intel Xeon E7	AMD EPYC
Architecture codename	Westmere (2010−2011)	Milan (2021)
Release date	5 April 2011 (13 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$1,446	$7,890
Current price	$3483 (2.4x MSRP)	$1691 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E7-4820 and EPYC 7763 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	8 (Octa-Core)	64 (Tetrahexaconta-Core)
Threads	16	128
Base clock speed	2 GHz	2.45 GHz
Boost clock speed	2.27 GHz	3.5 GHz
Bus support	5.86 GT/s	no data
L1 cache	512 KB	64 KB (per core)
L2 cache	2 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	64 °C	no data
Number of transistors	2600 Million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon E7-4820 and EPYC 7763 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	2
Socket	LGA1567	SP3
Power consumption (TDP)	105 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-4820 and EPYC 7763. 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	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	no data
Status	Discontinued	no data

Security technologies

Xeon E7-4820 and EPYC 7763 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 E7-4820 and EPYC 7763 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 Xeon E7-4820 and EPYC 7763. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066	DDR4-3200
Maximum memory size	2 TB	4 TiB
Max memory channels	4	no data
Maximum memory bandwidth	34.113 GB/s	204.795 GB/s
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 Xeon E7-4820 and EPYC 7763.

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	8	64
Threads	16	128
Cost	$1446	$7890
Chip lithography	32 nm	7 nm
Power consumption (TDP)	105 Watt	280 Watt

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