EPYC 7763 vs Opteron 6276

Primary details

Comparing Opteron 6276 and EPYC 7763 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1334	21
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.37	34.40
Market segment	Server	Server
Series	no data	AMD EPYC
Architecture codename	Interlagos (2011−2012)	Milan (2021)
Release date	14 November 2011 (12 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$119	$7,890
Current price	$308 (2.6x MSRP)	$1641 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7763 has 2411% better value for money than Opteron 6276.

Detailed specifications

Opteron 6276 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	16 (Hexadeca-Core)	64 (Tetrahexaconta-Core)
Threads	16	128
Base clock speed	2.3 GHz	2.45 GHz
Boost clock speed	3.2 GHz	3.5 GHz
L1 cache	768 KB	64 KB (per core)
L2 cache	16 MB	512 KB (per core)
L3 cache	8 MB (per die)	256 MB (shared)
Chip lithography	32 nm	7 nm+
Die size	316 mm2	8x 81 mm2
Number of transistors	2,400 million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Opteron 6276 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	G34	SP3
Power consumption (TDP)	115 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Opteron 6276 and EPYC 7763. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	+	no data
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Opteron 6276 and EPYC 7763 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Opteron 6276 and EPYC 7763. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	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

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Opteron 6276 and EPYC 7763.

PCIe version	2.0	4.0
PCI Express lanes	no data	128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

EPYC 7763 outperforms Opteron 6276 by 1235% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	4.10	54.72
Recency	14 November 2011	15 March 2021
Physical cores	16	64
Threads	16	128
Cost	$119	$7890
Chip lithography	32 nm	7 nm
Power consumption (TDP)	115 Watt	280 Watt

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Should you still have questions on choice between Opteron 6276 and EPYC 7763, ask them in Comments section, and we shall answer.

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