Intel Core i9-13900KF vs Intel Core i7-7800X

Comparative analysis of Intel Core i9-13900KF and Intel Core i7-7800X 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, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i9-13900KF

Intel Core i7-7800X

Differences

Reasons to consider the Intel Core i9-13900KF

CPU is newer: launch date 5 year(s) 3 month(s) later
18 more cores, run more applications at once: 24 vs 6
20 more threads: 32 vs 12
Around 45% higher clock speed: 5.80 GHz vs 4.00 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
5x more L1 cache, more data can be stored in the L1 cache for quick access later
32x more L2 cache, more data can be stored in the L2 cache for quick access later
4.4x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 12% lower typical power consumption: 125 Watt vs 140 Watt
Around 93% better performance in PassMark - Single thread mark: 4596 vs 2380
4.5x better performance in PassMark - CPU mark: 57933 vs 12915
2.4x better performance in 3DMark Fire Strike - Physics Score: 15770 vs 6534

Specifications (specs)
Launch date	27 Sep 2022 vs June 2017
Number of cores	24 vs 6
Number of threads	32 vs 12
Maximum frequency	5.80 GHz vs 4.00 GHz
Manufacturing process technology	7 nm vs 14 nm
L1 cache	1920 KB vs 64 KB (per core)
L2 cache	48 MB vs 256 KB (per core)
L3 cache	36 MB vs 8448 KB (shared)
Thermal Design Power (TDP)	125 Watt vs 140 Watt
Benchmarks
PassMark - Single thread mark	4596 vs 2380
PassMark - CPU mark	57933 vs 12915
3DMark Fire Strike - Physics Score	15770 vs 6534

Reasons to consider the Intel Core i7-7800X

Processor is unlocked, an unlocked multiplier allows for easier overclocking

Unlocked	Unlocked vs Locked

Compare benchmarks

CPU 1: Intel Core i9-13900KF
CPU 2: Intel Core i7-7800X

PassMark - Single thread mark

CPU 1

CPU 2

4596

2380

PassMark - CPU mark

CPU 1

CPU 2

57933

12915

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

15770

6534

Name	Intel Core i9-13900KF	Intel Core i7-7800X
PassMark - Single thread mark	4596	2380
PassMark - CPU mark	57933	12915
3DMark Fire Strike - Physics Score	15770	6534
Geekbench 4 - Single Core		1109
Geekbench 4 - Multi-Core		6640

Compare specifications (specs)

	Intel Core i9-13900KF	Intel Core i7-7800X
Essentials
Architecture codename	Raptor Lake	Skylake
Launch date	27 Sep 2022	June 2017
Launch price (MSRP)	$574	$416
Place in performance rating	33	1153
Processor Number	i9-13900KF	i7-7800X
Series	13th Generation Intel Core i9 Processors	Intel® Core™ X-series Processors
Vertical segment	Desktop	Desktop
Price now		$378.99
Status		Launched
Value for money (0-100)		11.29
Performance
64 bit support
L1 cache	1920 KB	64 KB (per core)
L2 cache	48 MB	256 KB (per core)
L3 cache	36 MB	8448 KB (shared)
Manufacturing process technology	7 nm	14 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.80 GHz	4.00 GHz
Number of cores	24	6
Number of threads	32	12
Base frequency		3.50 GHz
Bus Speed		8 GT/s DMI3
Maximum case temperature (TCase)		72 °C
Number of QPI Links		0
Unlocked
Memory
Max memory channels	2	4
Maximum memory bandwidth	89.6 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	Up to DDR5 5600 MT/s Up to DDR4 3200 MT/s	DDR4-2400
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA1700	FCLGA2066
Thermal Design Power (TDP)	125 Watt	140 Watt
Low Halogen Options Available
Thermal Solution		PCG 2017X
Peripherals
Max number of PCIe lanes	20	28
PCI Express revision	5.0 and 4.0	3.0
PCIe configurations	Up to 1x16+4, 2x8+4
Scalability	1S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Secure Boot
Intel® Trusted Execution technology (TXT)
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® Thermal Velocity Boost
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Speed Shift technology
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Optane™ Memory Supported
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)