Pentium Gold G6405 vs EPYC 7551P

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Aggregate performance score

EPYC 7551P
2017
32 cores / 64 threads, 180 Watt
24.91
+799%

EPYC 7551P outperforms Pentium Gold G6405 by a whopping 799% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7551P and Pentium Gold G6405 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2041700
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.33no data
Market segmentServerDesktop processor
SeriesAMD EPYCno data
Power efficiency12.624.35
Architecture codenameNaples (2017−2018)Comet Lake-R (2021)
Release date20 June 2017 (7 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$2,100$64

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7551P and Pentium Gold G6405 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 cores32 (Dotriaconta-Core)2 (Dual-core)
Threads644
Base clock speed2 GHz4.1 GHz
Boost clock speed2 GHz4.1 GHz
Bus rateno data8 GT/s
Multiplier20no data
L1 cache3 MB64 KB (per core)
L2 cache16 MB256 KB (per core)
L3 cache64 MB (shared)4 MB (shared)
Chip lithography14 nm14 nm
Die size213 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors19200 Millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on EPYC 7551P and Pentium Gold G6405 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 configuration1 (Uniprocessor)1
SocketTR4FCLGA1200
Power consumption (TDP)180 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7551P and Pentium Gold G6405. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data-

Security technologies

EPYC 7551P and Pentium Gold G6405 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7551P and Pentium Gold G6405 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7551P and Pentium Gold G6405. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR4-2666
Maximum memory size2 TiB128 GB
Max memory channels82
Maximum memory bandwidth170.671 GB/s41.6 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 610
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of EPYC 7551P and Pentium Gold G6405 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by EPYC 7551P and Pentium Gold G6405 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@30Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by EPYC 7551P and Pentium Gold G6405 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by EPYC 7551P and Pentium Gold G6405.

PCIe version3.03.0
PCI Express lanes12816

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 7551P 24.91
+799%
Pentium Gold G6405 2.77

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 7551P 38126
+798%
Pentium Gold G6405 4244

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

EPYC 7551P 931
+10.4%
Pentium Gold G6405 843

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

EPYC 7551P 6192
+260%
Pentium Gold G6405 1719

Gaming performance

Pros & cons summary


Performance score 24.91 2.77
Recency 20 June 2017 16 March 2021
Physical cores 32 2
Threads 64 4
Power consumption (TDP) 180 Watt 15 Watt

EPYC 7551P has a 799.3% higher aggregate performance score, and 1500% more physical cores and 1500% more threads.

Pentium Gold G6405, on the other hand, has an age advantage of 3 years, and 1100% lower power consumption.

The EPYC 7551P is our recommended choice as it beats the Pentium Gold G6405 in performance tests.

Be aware that EPYC 7551P is a server/workstation processor while Pentium Gold G6405 is a desktop one.


Should you still have questions on choice between EPYC 7551P and Pentium Gold G6405, ask them in Comments section, and we shall answer.

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AMD EPYC 7551P
EPYC 7551P
Intel Pentium Gold G6405
Pentium Gold G6405

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Community ratings

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4.3 78 votes

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Questions & comments

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