EPYC 7303 vs EPYC 7443

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Aggregate performance score

EPYC 7443
2021
24 cores / 48 threads, 200 Watt
35.76
+98.1%
EPYC 7303
2023
16 cores / 32 threads, 130 Watt
18.05

EPYC 7443 outperforms EPYC 7303 by an impressive 98% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7443 and EPYC 7303 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking104338
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation15.0021.12
Market segmentServerServer
SeriesAMD EPYCno data
Power efficiency16.8513.08
Architecture codenameMilan (2021−2023)Milan (2021−2023)
Release date12 January 2021 (3 years ago)5 September 2023 (1 year ago)
Launch price (MSRP)$2,010$604

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7303 has 41% better value for money than EPYC 7443.

Detailed specifications

EPYC 7443 and EPYC 7303 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 cores24 (Tetracosa-Core)16 (Hexadeca-Core)
Threads4832
Base clock speed2.85 GHz2.4 GHz
Boost clock speed4 GHz3.4 GHz
Multiplier28.5no data
L1 cache1536 KB64 KB (per core)
L2 cache12 MB512 KB (per core)
L3 cache128 MB (shared)64 MB (shared)
Chip lithography7 nm+7 nm
Die size4x 81 mm22x 81 mm2
Number of transistors16,600 million8,300 million
64 bit support+-
Windows 11 compatibility+no data

Compatibility

Information on EPYC 7443 and EPYC 7303 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)200 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7443 and EPYC 7303. You'll probably need this information if you require some particular technology.

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

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7443 and EPYC 7303 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7443 and EPYC 7303. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR4
Maximum memory size4 TiBno data
Maximum memory bandwidth204.795 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7443 and EPYC 7303.

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 7443 35.76
+98.1%
EPYC 7303 18.05

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 7443 56601
+98.1%
EPYC 7303 28572

Gaming performance

Pros & cons summary


Performance score 35.76 18.05
Recency 12 January 2021 5 September 2023
Physical cores 24 16
Threads 48 32
Power consumption (TDP) 200 Watt 130 Watt

EPYC 7443 has a 98.1% higher aggregate performance score, and 50% more physical cores and 50% more threads.

EPYC 7303, on the other hand, has an age advantage of 2 years, and 53.8% lower power consumption.

The EPYC 7443 is our recommended choice as it beats the EPYC 7303 in performance tests.


Should you still have questions on choice between EPYC 7443 and EPYC 7303, ask them in Comments section, and we shall answer.

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AMD EPYC 7443
EPYC 7443
AMD EPYC 7303
EPYC 7303

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Community ratings

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Questions & comments

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