Intel Core i9-10900X vs Intel Core i9-9900KF

Comparative analysis of Intel Core i9-10900X and Intel Core i9-9900KF processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the Intel Core i9-10900X

  • 2 more cores, run more applications at once: 10 vs 8
  • 4 more threads: 20 vs 16
  • 2x more maximum memory size: 256 GB vs 128 GB
  • Around 19% better performance in Geekbench 4 - Multi-Core: 10361 vs 8735
  • Around 23% better performance in PassMark - CPU mark: 22463 vs 18265
  • Around 5% better performance in 3DMark Fire Strike - Physics Score: 7400 vs 7041
Specifications (specs)
Number of cores 10 vs 8
Number of threads 20 vs 16
Maximum memory size 256 GB vs 128 GB
Benchmarks
Geekbench 4 - Multi-Core 10361 vs 8735
PassMark - CPU mark 22463 vs 18265
3DMark Fire Strike - Physics Score 7400 vs 7041

Reasons to consider the Intel Core i9-9900KF

  • Around 11% higher clock speed: 5.00 GHz vs 4.50 GHz
  • Around 6% higher maximum core temperature: 100°C vs 94°C
  • Around 74% lower typical power consumption: 95 Watt vs 165 Watt
  • Around 15% better performance in Geekbench 4 - Single Core: 1343 vs 1170
  • Around 9% better performance in PassMark - Single thread mark: 2924 vs 2677
Specifications (specs)
Maximum frequency 5.00 GHz vs 4.50 GHz
Maximum core temperature 100°C vs 94°C
Thermal Design Power (TDP) 95 Watt vs 165 Watt
Benchmarks
Geekbench 4 - Single Core 1343 vs 1170
PassMark - Single thread mark 2924 vs 2677

Compare benchmarks

CPU 1: Intel Core i9-10900X
CPU 2: Intel Core i9-9900KF

Geekbench 4 - Single Core
CPU 1
CPU 2
1170
1343
Geekbench 4 - Multi-Core
CPU 1
CPU 2
10361
8735
PassMark - Single thread mark
CPU 1
CPU 2
2677
2924
PassMark - CPU mark
CPU 1
CPU 2
22463
18265
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
7400
7041
Name Intel Core i9-10900X Intel Core i9-9900KF
Geekbench 4 - Single Core 1170 1343
Geekbench 4 - Multi-Core 10361 8735
PassMark - Single thread mark 2677 2924
PassMark - CPU mark 22463 18265
3DMark Fire Strike - Physics Score 7400 7041

Compare specifications (specs)

Intel Core i9-10900X Intel Core i9-9900KF

Essentials

Architecture codename Cascade Lake Coffee Lake
Launch date Q4'19 Q1'19
Launch price (MSRP) $590, $599
Place in performance rating 897 898
Processor Number i9-10900X i9-9900KF
Series Intel Core X-series Processors 9th Generation Intel® Core™ i9 Processors
Status Launched Launched
Vertical segment Desktop Desktop

Performance

Base frequency 3.70 GHz 3.60 GHz
L1 cache 640 KB
L2 cache 10 MB
L3 cache 19.25 MB
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 94°C 100°C
Maximum frequency 4.50 GHz 5.00 GHz
Number of cores 10 8
Number of threads 20 16
64 bit support
Bus Speed 8 GT/s DMI3

Memory

Max memory channels 4 2
Maximum memory size 256 GB 128 GB
Supported memory types DDR4-2933 DDR4-2666
Maximum memory bandwidth 41.6 GB/s

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported FCLGA2066 FCLGA1151
Thermal Design Power (TDP) 165 Watt 95 Watt
Thermal Solution PCG 2017X PCG 2015D (130W)
Package Size 37.5mm x 37.5mm

Peripherals

Max number of PCIe lanes 48 16
PCI Express revision 3.0 3.0
Scalability 1S Only 1S Only
PCIe configurations Up to 1x16, 2x8, 1x8+2x4

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
Instruction set extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2, Intel AVX-512 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units 2
Idle States
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® vPro™ Platform Eligibility
Thermal Monitoring

Virtualization

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