i7-8700K vs Ryzen 5 PRO 7645

Aggregate performance score

Ryzen 5 PRO 7645
2023
6 cores / 12 threads, 65 Watt
17.06
+99.1%
Core i7-8700K
2017
6 cores / 12 threads, 95 Watt
8.57

Ryzen 5 PRO 7645 outperforms Core i7-8700K by an impressive 99% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 5 PRO 7645 and Core i7-8700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking379887
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data4.56
Market segmentServerDesktop processor
Seriesno dataIntel Core i7
Power efficiency24.848.54
Architecture codenameRaphael (2023−2024)Coffee Lake-S (2017−2018)
Release date13 June 2023 (1 year ago)5 October 2017 (7 years ago)
Launch price (MSRP)no data$359

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 5 PRO 7645 and Core i7-8700K 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 cores6 (Hexa-Core)6 (Hexa-Core)
Threads1212
Base clock speed3.8 GHz3.7 GHz
Boost clock speed5.1 GHz4.7 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data37
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)256K (per core)
L3 cache32 MB (shared)12288 KB
Chip lithography5 nm14 nm
Die size71 mm2149 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)61 °C72 °C
Number of transistors6,570 millionno data
64 bit support++
Windows 11 compatibilityno data+
Unlocked multiplier-+

Compatibility

Information on Ryzen 5 PRO 7645 and Core i7-8700K 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 configuration11 (Uniprocessor)
SocketAM5FCLGA1151
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 PRO 7645 and Core i7-8700K. 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++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Precision Boost 2+no data

Security technologies

Ryzen 5 PRO 7645 and Core i7-8700K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 PRO 7645 and Core i7-8700K 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 Ryzen 5 PRO 7645 and Core i7-8700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR3, DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon GraphicsIntel 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 Ryzen 5 PRO 7645 and Core i7-8700K integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Ryzen 5 PRO 7645 and Core i7-8700K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2304@24Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Ryzen 5 PRO 7645 and Core i7-8700K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 PRO 7645 and Core i7-8700K.

PCIe version5.03.0
PCI Express lanes2416

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.

Ryzen 5 PRO 7645 17.06
+99.1%
i7-8700K 8.57

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.

Ryzen 5 PRO 7645 27106
+99%
i7-8700K 13620

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.

Ryzen 5 PRO 7645 2631
+63.5%
i7-8700K 1609

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.

Ryzen 5 PRO 7645 11286
+73.5%
i7-8700K 6505

Gaming performance

Pros & cons summary


Performance score 17.06 8.57
Integrated graphics card 1.98 3.09
Recency 13 June 2023 5 October 2017
Chip lithography 5 nm 14 nm
Power consumption (TDP) 65 Watt 95 Watt

Ryzen 5 PRO 7645 has a 99.1% higher aggregate performance score, an age advantage of 5 years, a 180% more advanced lithography process, and 46.2% lower power consumption.

i7-8700K, on the other hand, has 56.1% faster integrated GPU.

The Ryzen 5 PRO 7645 is our recommended choice as it beats the Core i7-8700K in performance tests.

Be aware that Ryzen 5 PRO 7645 is a server/workstation processor while Core i7-8700K is a desktop one.


Should you still have questions on choice between Ryzen 5 PRO 7645 and Core i7-8700K, 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 Ryzen 5 PRO 7645
Ryzen 5 PRO 7645
Intel Core i7-8700K
Core i7-8700K

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Community ratings

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Questions & comments

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