EPYC 7763 vs EPYC 7663

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Aggregate performance score

EPYC 7663
2021
56 cores / 112 threads, 240 Watt
51.68
EPYC 7763
2021
64 cores / 128 threads, 280 Watt
53.23
+3%

EPYC 7763 outperforms EPYC 7663 by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7663 and EPYC 7763 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3125
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.893.32
Market segmentServerServer
SeriesAMD EPYCAMD EPYC
Power efficiency20.3817.99
Architecture codenameMilan (2021−2023)Milan (2021−2023)
Release date15 March 2021 (3 years ago)15 March 2021 (3 years ago)
Launch price (MSRP)$6,366$7,890

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7663 has 47% better value for money than EPYC 7763.

Detailed specifications

EPYC 7663 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 cores56 (Hexapentaconta-Core)64 (Tetrahexaconta-Core)
Threads112128
Base clock speed2 GHz2.45 GHz
Boost clock speed3.5 GHz3.5 GHz
Multiplier2024.5
L1 cache64 KB (per core)64 KB (per core)
L2 cache512 KB (per core)512 KB (per core)
L3 cache256 MB (shared)256 MB (shared)
Chip lithography7 nm+7 nm+
Die size8x 81 mm28x 81 mm2
Number of transistors33,200 million33,200 million
64 bit support++
Windows 11 compatibility++

Compatibility

Information on EPYC 7663 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 configuration22
SocketSP3SP3
Power consumption (TDP)240 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7663 and EPYC 7763. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7663 and EPYC 7763 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7663 and EPYC 7763. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4-3200
Maximum memory size4 TiB4 TiB
Maximum memory bandwidth204.795 GB/s204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7663 and EPYC 7763.

PCIe version4.04.0
PCI Express lanes128128

Synthetic benchmark performance

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


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 7663 51.68
EPYC 7763 53.23
+3%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

EPYC 7663 82087
EPYC 7763 84557
+3%

Gaming performance

Pros & cons summary


Performance score 51.68 53.23
Physical cores 56 64
Threads 112 128
Power consumption (TDP) 240 Watt 280 Watt

EPYC 7663 has 16.7% lower power consumption.

EPYC 7763, on the other hand, has a 3% higher aggregate performance score, and 14.3% more physical cores and 14.3% more threads.

Given the minimal performance differences, no clear winner can be declared between EPYC 7663 and EPYC 7763.


Should you still have questions on choice between EPYC 7663 and EPYC 7763, ask them in Comments section, and we shall answer.

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AMD EPYC 7663
EPYC 7663
AMD EPYC 7763
EPYC 7763

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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3.2 1197 votes

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Questions & comments

Here you can ask a question about EPYC 7663 or EPYC 7763, agree or disagree with our judgements, or report an error or mismatch.