i7-10700K vs EPYC 7251

VS

Aggregate performance score

EPYC 7251
2017
8 cores / 16 threads, 120 Watt
9.76
Core i7-10700K
2020
8 cores / 16 threads, 125 Watt
12.27
+25.7%

Core i7-10700K outperforms EPYC 7251 by a significant 26% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7251 and Core i7-10700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking803647
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.0414.97
Market segmentServerDesktop processor
SeriesAMD EPYCno data
Power efficiency7.428.95
Architecture codenameNaples (2017−2018)Comet Lake (2020)
Release date29 June 2017 (7 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$574$400

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-10700K has 392% better value for money than EPYC 7251.

Detailed specifications

EPYC 7251 and Core i7-10700K 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1616
Base clock speed2.1 GHz3.8 GHz
Boost clock speed2.9 GHz5.1 GHz
Bus rateno data8 GT/s
Multiplier21no data
L1 cache96K (per core)64K (per core)
L2 cache512K (per core)256K (per core)
L3 cache32 MB (shared)16 MB (shared)
Chip lithography14 nm14 nm
Die size192 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors4,800 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on EPYC 7251 and Core i7-10700K 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)1
SocketTR4FCLGA1200
Power consumption (TDP)120 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7251 and Core i7-10700K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA-+
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0no data+

Security technologies

EPYC 7251 and Core i7-10700K 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 7251 and Core i7-10700K 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 7251 and Core i7-10700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR4
Maximum memory size2 TiB128 GB
Max memory channels82
Maximum memory bandwidth153.652 GB/s45.8 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.2 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of EPYC 7251 and Core i7-10700K integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by EPYC 7251 and Core i7-10700K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2160@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by EPYC 7251 and Core i7-10700K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by EPYC 7251 and Core i7-10700K.

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 7251 9.76
i7-10700K 12.27
+25.7%

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 7251 14935
i7-10700K 18775
+25.7%

Gaming performance

Pros & cons summary


Performance score 9.76 12.27
Recency 29 June 2017 30 April 2020
Power consumption (TDP) 120 Watt 125 Watt

EPYC 7251 has 4.2% lower power consumption.

i7-10700K, on the other hand, has a 25.7% higher aggregate performance score, and an age advantage of 2 years.

The Core i7-10700K is our recommended choice as it beats the EPYC 7251 in performance tests.

Be aware that EPYC 7251 is a server/workstation processor while Core i7-10700K is a desktop one.


Should you still have questions on choice between EPYC 7251 and Core i7-10700K, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD EPYC 7251
EPYC 7251
Intel Core i7-10700K
Core i7-10700K

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Community ratings

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Questions & comments

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