Intel Core i7-9700KF vs Intel Core i5-7640X

Comparative analysis of Intel Core i7-9700KF and Intel Core i5-7640X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the Intel Core i7-9700KF

  • 4 more cores, run more applications at once: 8 vs 4
  • 4 more threads: 8 vs 4
  • Around 17% higher clock speed: 4.90 GHz vs 4.20 GHz
  • 2x more maximum memory size: 128 GB vs 64 GB
  • Around 18% lower typical power consumption: 95 Watt vs 112 Watt
  • Around 15% better performance in PassMark - Single thread mark: 2812 vs 2449
  • Around 82% better performance in PassMark - CPU mark: 17198 vs 9461
  • Around 4% better performance in Geekbench 4 - Single Core: 6164 vs 5900
  • Around 74% better performance in Geekbench 4 - Multi-Core: 29776 vs 17144
Specifications (specs)
Number of cores 8 vs 4
Number of threads 8 vs 4
Maximum frequency 4.90 GHz vs 4.20 GHz
Maximum memory size 128 GB vs 64 GB
Thermal Design Power (TDP) 95 Watt vs 112 Watt
Benchmarks
PassMark - Single thread mark 2812 vs 2449
PassMark - CPU mark 17198 vs 9461
Geekbench 4 - Single Core 6164 vs 5900
Geekbench 4 - Multi-Core 29776 vs 17144

Reasons to consider the Intel Core i5-7640X

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
Unlocked Unlocked vs Locked

Compare benchmarks

CPU 1: Intel Core i7-9700KF
CPU 2: Intel Core i5-7640X

PassMark - Single thread mark
CPU 1
CPU 2
2812
2449
PassMark - CPU mark
CPU 1
CPU 2
17198
9461
Geekbench 4 - Single Core
CPU 1
CPU 2
6164
5900
Geekbench 4 - Multi-Core
CPU 1
CPU 2
29776
17144
Name Intel Core i7-9700KF Intel Core i5-7640X
PassMark - Single thread mark 2812 2449
PassMark - CPU mark 17198 9461
Geekbench 4 - Single Core 6164 5900
Geekbench 4 - Multi-Core 29776 17144
3DMark Fire Strike - Physics Score 0

Compare specifications (specs)

Intel Core i7-9700KF Intel Core i5-7640X

Essentials

Architecture codename Coffee Lake Kaby Lake
Launch date Q1'19 June 2017
Place in performance rating 67 69
Processor Number i7-9700KF i5-7640X
Series 9th Generation Intel® Core™ i7 Processors Intel® Core™ X-series Processors
Status Launched Discontinued
Vertical segment Desktop Desktop
Launch price (MSRP) $240
Price now $263.13
Value for money (0-100) 10.73

Performance

64 bit support
Base frequency 3.60 GHz 4.00 GHz
Bus Speed 8 GT/s DMI3 8 GT/s DMI3
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 100°C 100°C
Maximum frequency 4.90 GHz 4.20 GHz
Number of cores 8 4
Number of threads 8 4
L1 cache 64 KB (per core)
L2 cache 256 KB (per core)
L3 cache 6144 KB (shared)
Maximum case temperature (TCase) 72 °C
Number of QPI Links 0
Unlocked

Memory

Max memory channels 2 2
Maximum memory bandwidth 41.6 GB/s
Maximum memory size 128 GB 64 GB
Supported memory types DDR4-2666 DDR4-2666

Compatibility

Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm
Sockets supported FCLGA1151 FCLGA2066
Thermal Design Power (TDP) 95 Watt 112 Watt
Thermal Solution PCG 2015D (130W) PCG 2017X
Low Halogen Options Available

Peripherals

Max number of PCIe lanes 16 16
PCI Express revision 3.0 3.0
PCIe configurations Up to 1x16, 2x8, 1x8+2x4 Up to 1x16, 2x8, 1x8+2x4
Scalability 1S Only 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)