EPYC 7663 vs EPYC 7702

VS

Aggregate performance score

EPYC 7702
2019
64 cores / 128 threads, 200 Watt
44.06
EPYC 7663
2021
56 cores / 112 threads, 240 Watt
51.68
+17.3%

EPYC 7663 outperforms EPYC 7702 by a moderate 17% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7702 and EPYC 7663 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking4631
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.074.89
Market segmentServerServer
SeriesAMD EPYCAMD EPYC
Power efficiency20.8520.38
Architecture codenameZen 2 (2017−2020)Milan (2021−2023)
Release date7 August 2019 (5 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)$6,450$6,366

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7663 has 20% better value for money than EPYC 7702.

Detailed specifications

EPYC 7702 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 cores64 (Tetrahexaconta-Core)56 (Hexapentaconta-Core)
Threads128112
Base clock speed2 GHz2 GHz
Boost clock speed3.35 GHz3.5 GHz
Multiplier2020
L1 cache4 MB3584 KB
L2 cache32 MB28 MB
L3 cache256 MB (shared)256 MB (shared)
Chip lithography7 nm, 14 nm7 nm+
Die size192 mm28x 81 mm2
Number of transistors4,800 million33,200 million
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on EPYC 7702 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 configuration2 (Multiprocessor)2
SocketTR4SP3
Power consumption (TDP)200 Watt240 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7702 and EPYC 7663. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7702 and EPYC 7663 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7702 and EPYC 7663. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR4-3200
Maximum memory size4 TiB4 TiB
Max memory channels8no data
Maximum memory bandwidth204.763 GB/s204.795 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7702 and EPYC 7663.

PCIe versionno data4.0
PCI Express lanesno data128

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 7702 44.06
EPYC 7663 51.68
+17.3%

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 7702 69980
EPYC 7663 82087
+17.3%

Gaming performance

Pros & cons summary


Performance score 44.06 51.68
Recency 7 August 2019 12 January 2021
Physical cores 64 56
Threads 128 112
Power consumption (TDP) 200 Watt 240 Watt

EPYC 7702 has 14.3% more physical cores and 14.3% more threads, and 20% lower power consumption.

EPYC 7663, on the other hand, has a 17.3% higher aggregate performance score, and an age advantage of 1 year.

The EPYC 7663 is our recommended choice as it beats the EPYC 7702 in performance tests.


Should you still have questions on choice between EPYC 7702 and EPYC 7663, ask them in Comments section, and we shall answer.

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AMD EPYC 7702
EPYC 7702
AMD EPYC 7663
EPYC 7663

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Community ratings

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4.7 30 votes

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3.8 13 votes

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Questions & comments

Here you can ask a question about EPYC 7702 or EPYC 7663, agree or disagree with our judgements, or report an error or mismatch.