Intel Core i5-9400F vs Intel Core i7-6700K

Comparative analysis of Intel Core i5-9400F and Intel Core i7-6700K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the Intel Core i5-9400F

  • 2 more cores, run more applications at once: 6 vs 4
  • Around 56% higher maximum core temperature: 100°C vs 64°C
  • 2x more maximum memory size: 128 GB vs 64 GB
  • Around 40% lower typical power consumption: 65 Watt vs 91 Watt
  • Around 6% better performance in PassMark - CPU mark: 9469 vs 8933
  • Around 6% better performance in Geekbench 4 - Multi-Core: 4737 vs 4458
  • Around 16% better performance in 3DMark Fire Strike - Physics Score: 3746 vs 3231
Specifications (specs)
Number of cores 6 vs 4
Maximum core temperature 100°C vs 64°C
Maximum memory size 128 GB vs 64 GB
Thermal Design Power (TDP) 65 Watt vs 91 Watt
Benchmarks
PassMark - CPU mark 9469 vs 8933
Geekbench 4 - Multi-Core 4737 vs 4458
3DMark Fire Strike - Physics Score 3746 vs 3231

Reasons to consider the Intel Core i7-6700K

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more threads: 8 vs 6
  • Around 2% higher clock speed: 4.20 GHz vs 4.10 GHz
  • Around 3% better performance in PassMark - Single thread mark: 2505 vs 2436
  • Around 6% better performance in Geekbench 4 - Single Core: 1148 vs 1083
Specifications (specs)
Unlocked Unlocked vs Locked
Number of threads 8 vs 6
Maximum frequency 4.20 GHz vs 4.10 GHz
Benchmarks
PassMark - Single thread mark 2505 vs 2436
Geekbench 4 - Single Core 1148 vs 1083

Compare benchmarks

CPU 1: Intel Core i5-9400F
CPU 2: Intel Core i7-6700K

PassMark - Single thread mark
CPU 1
CPU 2
2436
2505
PassMark - CPU mark
CPU 1
CPU 2
9469
8933
Geekbench 4 - Single Core
CPU 1
CPU 2
1083
1148
Geekbench 4 - Multi-Core
CPU 1
CPU 2
4737
4458
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
3746
3231
Name Intel Core i5-9400F Intel Core i7-6700K
PassMark - Single thread mark 2436 2505
PassMark - CPU mark 9469 8933
Geekbench 4 - Single Core 1083 1148
Geekbench 4 - Multi-Core 4737 4458
3DMark Fire Strike - Physics Score 3746 3231
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 6.186
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 101.6
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.743
CompuBench 1.5 Desktop - Video Composition (Frames/s) 2.939
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 7.351
GFXBench 4.0 - Car Chase Offscreen (Frames) 1760
GFXBench 4.0 - Manhattan (Frames) 3294
GFXBench 4.0 - T-Rex (Frames) 3360
GFXBench 4.0 - Car Chase Offscreen (Fps) 1760
GFXBench 4.0 - Manhattan (Fps) 3294
GFXBench 4.0 - T-Rex (Fps) 3360

Compare specifications (specs)

Intel Core i5-9400F Intel Core i7-6700K

Essentials

Architecture codename Coffee Lake Skylake
Launch date Q1'19 5 August 2015
Place in performance rating 1345 1348
Processor Number i5-9400F i7-6700K
Series 9th Generation Intel® Core™ i5 Processors 6th Generation Intel® Core™ i7 Processors
Status Launched Discontinued
Vertical segment Desktop Desktop
Launch price (MSRP) $339
Price now $316.99
Value for money (0-100) 10.33

Performance

64 bit support
Base frequency 2.90 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 64°C
Maximum frequency 4.10 GHz 4.20 GHz
Number of cores 6 4
Number of threads 6 8
L1 cache 256 KB
L2 cache 1 MB
L3 cache 8 MB
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 34.1 GB/s
Maximum memory size 128 GB 64 GB
Supported memory types DDR4-2666 DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V

Compatibility

Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm 37.5mm x 37.5mm
Sockets supported FCLGA1151 FCLGA1151
Thermal Design Power (TDP) 65 Watt 91 Watt
Thermal Solution PCG 2015C (65W) PCG 2015D (130W)
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)
AMD Virtualization (AMD-V™)

Graphics

Device ID 0x1912
Graphics base frequency 350 MHz
Graphics max dynamic frequency 1.15 GHz
Graphics max frequency 1.15 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory 64 GB
Processor graphics Intel® HD Graphics 530

Graphics interfaces

DisplayPort
DVI
eDP
HDMI
Number of displays supported 3
Wireless Display (WiDi) support

Graphics image quality

4K resolution support
Max resolution over DisplayPort 4096x2304@60Hz
Max resolution over eDP 4096x2304@60Hz
Max resolution over HDMI 1.4 4096x2304@24Hz
Max resolution over VGA N / A
Max resolution over WiDi 1080p

Graphics API support

DirectX 12
OpenGL 4.5