Intel Core i5-10400F vs Intel Core i7-8700K

Comparative analysis of Intel Core i5-10400F and Intel Core i7-8700K 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, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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).

Intel Core i5-10400F

Intel Core i7-8700K

Differences

Reasons to consider the Intel Core i5-10400F

Around 46% lower typical power consumption: 65 Watt vs 95 Watt

Thermal Design Power (TDP)	65 Watt vs 95 Watt

Reasons to consider the Intel Core i7-8700K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 9% higher clock speed: 4.70 GHz vs 4.30 GHz
Around 7% better performance in PassMark - Single thread mark: 2721 vs 2542
Around 12% better performance in PassMark - CPU mark: 13585 vs 12141
Around 6% better performance in 3DMark Fire Strike - Physics Score: 5050 vs 4742

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	4.70 GHz vs 4.30 GHz
Benchmarks
PassMark - Single thread mark	2721 vs 2542
PassMark - CPU mark	13585 vs 12141
3DMark Fire Strike - Physics Score	5050 vs 4742

Compare benchmarks

CPU 1: Intel Core i5-10400F
CPU 2: Intel Core i7-8700K

PassMark - Single thread mark

CPU 1

CPU 2

2542

2721

PassMark - CPU mark

CPU 1

CPU 2

12141

13585

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

4742

5050

Name	Intel Core i5-10400F	Intel Core i7-8700K
PassMark - Single thread mark	2542	2721
PassMark - CPU mark	12141	13585
3DMark Fire Strike - Physics Score	4742	5050
Geekbench 4 - Single Core		1276
Geekbench 4 - Multi-Core		6678
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		9.279
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		88.131
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.084
CompuBench 1.5 Desktop - Video Composition (Frames/s)		4.763
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		12.047
GFXBench 4.0 - Car Chase Offscreen (Frames)		2083
GFXBench 4.0 - Manhattan (Frames)		4305
GFXBench 4.0 - T-Rex (Frames)		7198
GFXBench 4.0 - Car Chase Offscreen (Fps)		2083
GFXBench 4.0 - Manhattan (Fps)		4305
GFXBench 4.0 - T-Rex (Fps)		7198

Compare specifications (specs)

	Intel Core i5-10400F	Intel Core i7-8700K
Essentials
Architecture codename	Comet Lake	Coffee Lake
Launch date	Q2'20	5 January 2017
Launch price (MSRP)	$155 - $157	$420
Place in performance rating	1061	922
Processor Number	i5-10400F	i7-8700K
Series	10th Generation Intel Core i5 Processors	8th Generation Intel® Core™ i7 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Price now		$358.99
Value for money (0-100)		13.10
Performance
64 bit support
Base frequency	2.90 GHz	3.70 GHz
Bus Speed	8 GT/s	8 GT/s DMI3
L3 cache	12 MB	12288 KB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	4.30 GHz	4.70 GHz
Number of cores	6	6
Number of threads	12	12
L1 cache		256 KB
L2 cache		1 MB
Maximum case temperature (TCase)		72 °C
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s	41.6 GB/s
Maximum memory size	128 GB	128 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	37.5mm x 37.5mm
Sockets supported	FCLGA1200	FCLGA1151
Thermal Design Power (TDP)	65 Watt	95 Watt
Thermal Solution	PCG 2015C	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® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Intel® Memory Protection Extensions (Intel® MPX)
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® Thermal Velocity Boost
Intel® Turbo Boost technology
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® TSX-NI
Intel® vPro™ Platform Eligibility
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		0x3E92
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.20 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® UHD Graphics 630
Graphics interfaces
Number of displays supported		3
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
Graphics API support
DirectX		12
OpenGL		4.5