Intel Core i9-9900X vs Intel Core i7-8700K

Comparative analysis of Intel Core i9-9900X 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, 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 i9-9900X

  • CPU is newer: launch date 1 year(s) 8 month(s) later
  • 4 more cores, run more applications at once: 10 vs 6
  • 8 more threads: 20 vs 12
  • 2.5x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 10x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 60% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 60% better performance in PassMark - CPU mark: 21820 vs 13654
  • Around 56% better performance in Geekbench 4 - Multi-Core: 10446 vs 6678
  • 2x better performance in 3DMark Fire Strike - Physics Score: 10364 vs 5074
Specifications (specs)
Launch date October 2018 vs 5 January 2017
Number of cores 10 vs 6
Number of threads 20 vs 12
L1 cache 64K (per core) vs 256 KB
L2 cache 1 MB (per core) vs 1 MB
L3 cache 19.25 MB (shared) vs 12288 KB
Benchmarks
PassMark - CPU mark 21820 vs 13654
Geekbench 4 - Multi-Core 10446 vs 6678
3DMark Fire Strike - Physics Score 10364 vs 5074

Reasons to consider the Intel Core i7-8700K

  • Around 7% higher clock speed: 4.70 GHz vs 4.40 GHz
  • Around 9% higher maximum core temperature: 100°C vs 92°C
  • Around 74% lower typical power consumption: 95 Watt vs 165 Watt
  • Around 7% better performance in PassMark - Single thread mark: 2733 vs 2564
  • Around 12% better performance in Geekbench 4 - Single Core: 1276 vs 1136
Specifications (specs)
Maximum frequency 4.70 GHz vs 4.40 GHz
Maximum core temperature 100°C vs 92°C
Thermal Design Power (TDP) 95 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark 2733 vs 2564
Geekbench 4 - Single Core 1276 vs 1136

Compare benchmarks

CPU 1: Intel Core i9-9900X
CPU 2: Intel Core i7-8700K

PassMark - Single thread mark
CPU 1
CPU 2
2564
2733
PassMark - CPU mark
CPU 1
CPU 2
21820
13654
Geekbench 4 - Single Core
CPU 1
CPU 2
1136
1276
Geekbench 4 - Multi-Core
CPU 1
CPU 2
10446
6678
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
10364
5074
Name Intel Core i9-9900X Intel Core i7-8700K
PassMark - Single thread mark 2564 2733
PassMark - CPU mark 21820 13654
Geekbench 4 - Single Core 1136 1276
Geekbench 4 - Multi-Core 10446 6678
3DMark Fire Strike - Physics Score 10364 5074
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 i9-9900X Intel Core i7-8700K

Essentials

Architecture codename Skylake Coffee Lake
Launch date October 2018 5 January 2017
Place in performance rating 841 868
Processor Number i9-9900X i7-8700K
Series Intel® Core™ X-series Processors 8th Generation Intel® Core™ i7 Processors
Status Launched Launched
Vertical segment Desktop Desktop
Launch price (MSRP) $420
Price now $358.99
Value for money (0-100) 13.10

Performance

64 bit support
Base frequency 3.50 GHz 3.70 GHz
Bus Speed 8 GT/s DMI3 8 GT/s DMI3
L1 cache 64K (per core) 256 KB
L2 cache 1 MB (per core) 1 MB
L3 cache 19.25 MB (shared) 12288 KB
Manufacturing process technology 14 nm 14 nm
Maximum case temperature (TCase) 72 °C 72 °C
Maximum core temperature 92°C 100°C
Maximum frequency 4.40 GHz 4.70 GHz
Number of cores 10 6
Number of QPI Links 0
Number of threads 20 12
Unlocked

Memory

Max memory channels 4 2
Maximum memory size 128 GB 128 GB
Supported memory types DDR4-2666 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)
Low Halogen Options Available
Package Size 37.5mm x 37.5mm

Peripherals

Max number of PCIe lanes 44 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® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
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® Advanced Vector Extensions (AVX)
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)
AMD Virtualization (AMD-V™)
Intel® VT-x with Extended Page Tables (EPT)

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