EPYC 7551P vs i7-6700

VS

Aggregate performance score

Core i7-6700
2015
4 cores / 8 threads, 65 Watt
5.08
EPYC 7551P
2017
32 cores / 64 threads, 180 Watt
24.03
+373%

EPYC 7551P outperforms Core i7-6700 by a whopping 373% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6700 and EPYC 7551P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1220212
Place by popularity59not in top-100
Cost-effectiveness evaluation1.084.17
Market segmentDesktop processorServer
SeriesIntel Core i7 (Desktop)AMD EPYC
Power efficiency7.4012.63
Architecture codenameSkylake (2015−2016)Naples (2017−2018)
Release date1 September 2015 (9 years ago)20 June 2017 (7 years ago)
Launch price (MSRP)$303$2,100

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7551P has 286% better value for money than i7-6700.

Detailed specifications

Core i7-6700 and EPYC 7551P 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 cores4 (Quad-Core)32 (Dotriaconta-Core)
Threads864
Base clock speed3.4 GHz2 GHz
Boost clock speed4 GHz2 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier3420
L1 cache256 KB3 MB
L2 cache1 MB16 MB
L3 cache8 MB (shared)64 MB (shared)
Chip lithography14 nm14 nm
Die size122 mm2213 mm2
Maximum case temperature (TCase)71 °Cno data
Number of transistorsno data19200 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Core i7-6700 and EPYC 7551P 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 (Uniprocessor)
SocketFCLGA1151TR4
Power consumption (TDP)65 Watt180 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6700 and EPYC 7551P. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
SIPP+-

Security technologies

Core i7-6700 and EPYC 7551P technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6700 and EPYC 7551P are enumerated here.

AMD-V++
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6700 and EPYC 7551P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4 Eight-channel
Maximum memory size64 GB2 TiB
Max memory channels28
Maximum memory bandwidth34.134 GB/s170.671 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 530no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-6700 and EPYC 7551P integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-6700 and EPYC 7551P integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-6700 and EPYC 7551P integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6700 and EPYC 7551P.

PCIe version3.03.0
PCI Express lanes16128

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.

i7-6700 5.08
EPYC 7551P 24.03
+373%

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.

i7-6700 8074
EPYC 7551P 38166
+373%

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.

i7-6700 1315
+42.3%
EPYC 7551P 924

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.

i7-6700 4194
EPYC 7551P 6238
+48.7%

Gaming performance

Pros & cons summary


Performance score 5.08 24.03
Recency 1 September 2015 20 June 2017
Physical cores 4 32
Threads 8 64
Power consumption (TDP) 65 Watt 180 Watt

i7-6700 has 176.9% lower power consumption.

EPYC 7551P, on the other hand, has a 373% higher aggregate performance score, an age advantage of 1 year, and 700% more physical cores and 700% more threads.

The EPYC 7551P is our recommended choice as it beats the Core i7-6700 in performance tests.

Note that Core i7-6700 is a desktop processor while EPYC 7551P is a server/workstation one.


Should you still have questions on choice between Core i7-6700 and EPYC 7551P, ask them in Comments section, and we shall answer.

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Intel Core i7-6700
Core i7-6700
AMD EPYC 7551P
EPYC 7551P

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Community ratings

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Questions & comments

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