EPYC 7643 vs Xeon E7320

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Aggregate performance score

Xeon E7320
2007
80 Watt
0.96
EPYC 7643
2021
48 cores / 96 threads, 225 Watt
49.69
+5076%

EPYC 7643 outperforms Xeon E7320 by a whopping 5076% based on our aggregate benchmark results.

Primary details

Comparing Xeon E7320 and EPYC 7643 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking250438
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data6.59
Market segmentServerServer
Seriesno dataAMD EPYC
Power efficiency1.0920.14
Architecture codenameno dataMilan (2021−2023)
Release date1 July 2007 (17 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)no data$4,995

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E7320 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 coresno data48 (Octatetraconta-Core)
Threadsno data96
Base clock speed2.13 GHz2.3 GHz
Boost clock speedno data3.6 GHz
Multiplierno data23
L1 cacheno data3 MB
L2 cacheno data24 MB
L3 cache4 MB L2 Cache256 MB (shared)
Chip lithography65 nm7 nm+
Die sizeno data8x 81 mm2
Maximum core temperature66 °Cno data
Number of transistorsno data33,200 million
64 bit support++
Windows 11 compatibility-+
VID voltage range1.0V-1.5Vno data

Compatibility

Information on Xeon E7320 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 configurationno data2
SocketPGA604,PPGA604SP3
Power consumption (TDP)80 Watt225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7320 and EPYC 7643. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E7320 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 E7320 and EPYC 7643 are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7320 and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4-3200
Maximum memory sizeno data4 TiB
Maximum memory bandwidthno data204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Xeon E7320 and EPYC 7643.

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.

Xeon E7320 0.96
EPYC 7643 49.69
+5076%

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.

Xeon E7320 1469
EPYC 7643 76050
+5077%

Gaming performance

Pros & cons summary


Performance score 0.96 49.69
Recency 1 July 2007 12 January 2021
Chip lithography 65 nm 7 nm
Power consumption (TDP) 80 Watt 225 Watt

Xeon E7320 has 181.3% lower power consumption.

EPYC 7643, on the other hand, has a 5076% higher aggregate performance score, an age advantage of 13 years, and a 828.6% more advanced lithography process.

The EPYC 7643 is our recommended choice as it beats the Xeon E7320 in performance tests.


Should you still have questions on choice between Xeon E7320 and EPYC 7643, ask them in Comments section, and we shall answer.

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Intel Xeon E7320
Xeon E7320
AMD EPYC 7643
EPYC 7643

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Community ratings

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