Intel Core i7-8670 vs Intel Core i7-7820X

Comparative analysis of Intel Core i7-8670 and Intel Core i7-7820X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Peripherals. Benchmark processor performance analysis: GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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).

 

Differences

Reasons to consider the Intel Core i7-8670

  • CPU is newer: launch date 7 month(s) later
  • Around 9% more L3 cache; more data can be stored in the L3 cache for quick access later
  • 2.2x lower typical power consumption: 65 Watt vs 140 Watt
Launch date January 2018 vs June 2017
L3 cache 12288 KB (shared) vs 11264 KB (shared)
Thermal Design Power (TDP) 65 Watt vs 140 Watt

Reasons to consider the Intel Core i7-7820X

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 8 vs 6
  • Around 39% higher clock speed: 4.30 GHz vs 3.1 GHz
  • Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
  • Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Unlocked Unlocked vs Locked
Number of cores 8 vs 6
Maximum frequency 4.30 GHz vs 3.1 GHz
L1 cache 64 KB (per core) vs 64 KB (per core)
L2 cache 256 KB (per core) vs 256 KB (per core)

Compare benchmarks

CPU 1: Intel Core i7-8670
CPU 2: Intel Core i7-7820X

Name Intel Core i7-8670 Intel Core i7-7820X
GFXBench 4.0 - Car Chase Offscreen (Frames) 2120
GFXBench 4.0 - Car Chase Offscreen (Fps) 2120
GFXBench 4.0 - Manhattan (Frames) 1306
GFXBench 4.0 - Manhattan (Fps) 1306
GFXBench 4.0 - T-Rex (Frames) 2279
GFXBench 4.0 - T-Rex (Fps) 2279
PassMark - Single thread mark 2521
PassMark - CPU mark 17194
Geekbench 4 - Single Core 1138
Geekbench 4 - Multi-Core 8814
3DMark Fire Strike - Physics Score 5958
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 10.666
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 159.198
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.92
CompuBench 1.5 Desktop - Video Composition (Frames/s) 5.968
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 16.376

Compare specifications (specs)

Intel Core i7-8670 Intel Core i7-7820X

Essentials

Architecture codename Coffee Lake Skylake
Launch date January 2018 June 2017
Place in performance rating 1360 1361
Vertical segment Desktop Desktop
Launch price (MSRP) $679
Price now $499.99
Processor Number i7-7820X
Series Intel® Core™ X-series Processors
Status Launched
Value for money (0-100) 10.93

Performance

64 bit support
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 256 KB (per core) 256 KB (per core)
L3 cache 12288 KB (shared) 11264 KB (shared)
Manufacturing process technology 14 nm 14 nm
Maximum case temperature (TCase) 72 °C 72 °C
Maximum frequency 3.1 GHz 4.30 GHz
Number of cores 6 8
Base frequency 3.60 GHz
Bus Speed 8 GT/s DMI3
Maximum core temperature 99°C
Number of QPI Links 0
Number of threads 16
Unlocked

Memory

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

Compatibility

Max number of CPUs in a configuration 1 1
Thermal Design Power (TDP) 65 Watt 140 Watt
Low Halogen Options Available
Sockets supported FCLGA2066
Thermal Solution PCG 2017X

Security & Reliability

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

Advanced Technologies

Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Instruction set extensions Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units 2

Virtualization

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

Peripherals

Max number of PCIe lanes 28
PCI Express revision 3.0
Scalability 1S Only