Intel Core i7-9800X vs Intel Core i9-7900X

Comparative analysis of Intel Core i7-9800X and Intel Core i9-7900X 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.

 

Differences

Reasons to consider the Intel Core i7-9800X

  • Around 2% higher clock speed: 4.40 GHz vs 4.30 GHz
  • Around 5% better performance in Geekbench 4 - Single Core: 1185 vs 1129
  • Around 39% better performance in 3DMark Fire Strike - Physics Score: 9740 vs 6987
Specifications (specs)
Maximum frequency 4.40 GHz vs 4.30 GHz
Benchmarks
PassMark - Single thread mark 2571 vs 2568
Geekbench 4 - Single Core 1185 vs 1129
3DMark Fire Strike - Physics Score 9740 vs 6987

Reasons to consider the Intel Core i9-7900X

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 10 vs 8
  • 4 more threads: 20 vs 16
  • Around 18% lower typical power consumption: 140 Watt vs 165 Watt
  • Around 17% better performance in PassMark - CPU mark: 21173 vs 18081
  • Around 9% better performance in Geekbench 4 - Multi-Core: 10300 vs 9409
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 10 vs 8
Number of threads 20 vs 16
Thermal Design Power (TDP) 140 Watt vs 165 Watt
Benchmarks
PassMark - CPU mark 21173 vs 18081
Geekbench 4 - Multi-Core 10300 vs 9409

Compare benchmarks

CPU 1: Intel Core i7-9800X
CPU 2: Intel Core i9-7900X

PassMark - Single thread mark
CPU 1
CPU 2
2571
2568
PassMark - CPU mark
CPU 1
CPU 2
18081
21173
Geekbench 4 - Single Core
CPU 1
CPU 2
1185
1129
Geekbench 4 - Multi-Core
CPU 1
CPU 2
9409
10300
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
9740
6987
Name Intel Core i7-9800X Intel Core i9-7900X
PassMark - Single thread mark 2571 2568
PassMark - CPU mark 18081 21173
Geekbench 4 - Single Core 1185 1129
Geekbench 4 - Multi-Core 9409 10300
3DMark Fire Strike - Physics Score 9740 6987

Compare specifications (specs)

Intel Core i7-9800X Intel Core i9-7900X

Essentials

Architecture codename Skylake Skylake
Launch date Q4'18 30 May 2017
Place in performance rating 897 946
Processor Number i7-9800X i9-7900X
Series Intel® Core™ X-series Processors Intel® Core™ X-series Processors
Status Launched Launched
Vertical segment Desktop Desktop
Launch price (MSRP) $1,050
Price now $1,383.99
Value for money (0-100) 4.68

Performance

Base frequency 3.80 GHz 3.30 GHz
Bus Speed 8 GT/s DMI3 8 GT/s DMI3
Manufacturing process technology 14 nm 14 nm
Maximum core temperature 95°C 95°C
Maximum frequency 4.40 GHz 4.30 GHz
Number of cores 8 10
Number of QPI Links 0 0
Number of threads 16 20
64 bit support
L1 cache 64 KB (per core)
L2 cache 256 KB (per core)
L3 cache 13.8 MB
Maximum case temperature (TCase) 72 °C
Unlocked

Memory

Max memory channels 4 4
Maximum memory size 128 GB 128 GB
Supported memory types DDR4-2666 DDR4-2666

Compatibility

Max number of CPUs in a configuration 1 1
Sockets supported FCLGA2066 FCLGA2066
Thermal Design Power (TDP) 165 Watt 140 Watt
Thermal Solution PCG 2017X PCG 2017X
Low Halogen Options Available

Peripherals

Max number of PCIe lanes 44 44
PCI Express revision 3.0 3.0
Scalability 1S Only 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

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® AVX-512
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 2
Intel® Advanced Vector Extensions (AVX)
Intel® vPro™ Platform Eligibility

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
AMD Virtualization (AMD-V™)