EPYC 7643 vs Xeon 5080

Primary details

Comparing Xeon 5080 and EPYC 7643 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	31
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	38.99
Market segment	Server	Server
Series	no data	AMD EPYC
Architecture codename	Dempsey (2006)	Milan (2021)
Release date	23 May 2006 (18 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	no data	$4,995
Current price	$161	$1330 (0.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon 5080 and EPYC 7643 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	2 (Dual-core)	48 (Octatetraconta-Core)
Threads	4	96
Base clock speed	3.73 GHz	2.3 GHz
Boost clock speed	0.07 GHz	3.6 GHz
L1 cache	16 KB (per core)	64 KB (per core)
L2 cache	2 MB (per core)	512 KB (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	65 nm	7 nm+
Die size	2x 81 mm2	8x 81 mm2
Maximum core temperature	78 °C	no data
Number of transistors	376 million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes
VID voltage range	1.075V-1.35V	no data

Compatibility

Information on Xeon 5080 and EPYC 7643 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	2
Socket	PLGA771	SP3
Power consumption (TDP)	130 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon 5080 and EPYC 7643. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon 5080 and EPYC 7643 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 5080 and EPYC 7643 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon 5080 and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4-3200
Maximum memory size	no data	4 TiB
Maximum memory bandwidth	no data	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon 5080 and EPYC 7643.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	23 May 2006	15 March 2021
Physical cores	2	48
Threads	4	96
Chip lithography	65 nm	7 nm
Power consumption (TDP)	130 Watt	225 Watt

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