Intel Core i9-9900KF vs Intel Core i9-7980XE

Comparative analysis of Intel Core i9-9900KF and Intel Core i9-7980XE 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, 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).

Intel Core i9-9900KF

Intel Core i9-7980XE

Differences

Reasons to consider the Intel Core i9-9900KF

Around 19% higher clock speed: 5.00 GHz vs 4.20 GHz
Around 6% higher maximum core temperature: 100°C vs 94°C
Around 74% lower typical power consumption: 95 Watt vs 165 Watt
Around 18% better performance in PassMark - Single thread mark: 2932 vs 2483
Around 14% better performance in Geekbench 4 - Single Core: 1343 vs 1177

Specifications (specs)
Maximum frequency	5.00 GHz vs 4.20 GHz
Maximum core temperature	100°C vs 94°C
Thermal Design Power (TDP)	95 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	2932 vs 2483
Geekbench 4 - Single Core	1343 vs 1177

Reasons to consider the Intel Core i9-7980XE

Processor is unlocked, an unlocked multiplier allows for easier overclocking
10 more cores, run more applications at once: 18 vs 8
20 more threads: 36 vs 16
Around 65% better performance in PassMark - CPU mark: 30208 vs 18312
Around 87% better performance in Geekbench 4 - Multi-Core: 16370 vs 8735
Around 54% better performance in 3DMark Fire Strike - Physics Score: 10876 vs 7066

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	18 vs 8
Number of threads	36 vs 16
Benchmarks
PassMark - CPU mark	30208 vs 18312
Geekbench 4 - Multi-Core	16370 vs 8735
3DMark Fire Strike - Physics Score	10876 vs 7066

Compare benchmarks

CPU 1: Intel Core i9-9900KF
CPU 2: Intel Core i9-7980XE

PassMark - Single thread mark

CPU 1

CPU 2

2932

2483

PassMark - CPU mark

CPU 1

CPU 2

18312

30208

Geekbench 4 - Single Core

CPU 1

CPU 2

1343

1177

Geekbench 4 - Multi-Core

CPU 1

CPU 2

8735

16370

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

7066

10876

Name	Intel Core i9-9900KF	Intel Core i9-7980XE
PassMark - Single thread mark	2932	2483
PassMark - CPU mark	18312	30208
Geekbench 4 - Single Core	1343	1177
Geekbench 4 - Multi-Core	8735	16370
3DMark Fire Strike - Physics Score	7066	10876
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		40.947
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		484.771
CompuBench 1.5 Desktop - T-Rex (Frames/s)		3.237
CompuBench 1.5 Desktop - Video Composition (Frames/s)		21.073
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		218.231

Compare specifications (specs)

	Intel Core i9-9900KF	Intel Core i9-7980XE
Essentials
Architecture codename	Coffee Lake	Skylake
Launch date	Q1'19	September 2017
Place in performance rating	883	177
Processor Number	i9-9900KF	i9-7980XE
Series	9th Generation Intel® Core™ i9 Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$1,999
Price now		$2,005.50
Value for money (0-100)		4.08
Performance
64 bit support
Base frequency	3.60 GHz	2.60 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	94°C
Maximum frequency	5.00 GHz	4.20 GHz
Number of cores	8	18
Number of threads	16	36
L1 cache		64 KB (per core)
L2 cache		1024 KB (per core)
L3 cache		25344 KB (shared)
Number of QPI Links		0
Unlocked
Memory
Max memory channels	2	4
Maximum memory bandwidth	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
Sockets supported	FCLGA1151	FCLGA2066
Thermal Design Power (TDP)	95 Watt	165 Watt
Thermal Solution	PCG 2015D (130W)	PCG 2017X
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	16	44
PCI Express revision	3.0	3.0
PCIe configurations	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® AVX-512
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)
Number of AVX-512 FMA Units		2
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)