Intel Core i7-9700K vs Intel Core i7-7820X

Comparative analysis of Intel Core i7-9700K and Intel Core i7-7820X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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, 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 i7-9700K

  • CPU is newer: launch date 1 year(s) 3 month(s) later
  • Around 14% higher clock speed: 4.90 GHz vs 4.30 GHz
  • Around 1% higher maximum core temperature: 100°C vs 99°C
  • Around 9% more L3 cache; more data can be stored in the L3 cache for quick access later
  • Around 47% lower typical power consumption: 95 Watt vs 140 Watt
  • Around 14% better performance in PassMark - Single thread mark: 2875 vs 2522
  • Around 15% better performance in Geekbench 4 - Single Core: 1306 vs 1138
  • Around 23% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 195.695 vs 159.198
  • Around 20% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.105 vs 0.92
Specifications (specs)
Launch date October 2018 vs June 2017
Maximum frequency 4.90 GHz vs 4.30 GHz
Maximum core temperature 100°C vs 99°C
L3 cache 12 MB (shared) vs 11264 KB (shared)
Thermal Design Power (TDP) 95 Watt vs 140 Watt
Benchmarks
PassMark - Single thread mark 2875 vs 2522
Geekbench 4 - Single Core 1306 vs 1138
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 195.695 vs 159.198
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.105 vs 0.92

Reasons to consider the Intel Core i7-7820X

  • 8 more threads: 16 vs 8
  • Around 19% better performance in PassMark - CPU mark: 17165 vs 14458
  • Around 19% better performance in Geekbench 4 - Multi-Core: 8814 vs 7386
  • Around 2% better performance in 3DMark Fire Strike - Physics Score: 5958 vs 5855
  • Around 17% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 10.666 vs 9.136
  • Around 10% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 5.968 vs 5.449
  • Around 5% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 16.376 vs 15.67
Specifications (specs)
Number of threads 16 vs 8
Benchmarks
PassMark - CPU mark 17165 vs 14458
Geekbench 4 - Multi-Core 8814 vs 7386
3DMark Fire Strike - Physics Score 5958 vs 5855
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 10.666 vs 9.136
CompuBench 1.5 Desktop - Video Composition (Frames/s) 5.968 vs 5.449
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 16.376 vs 15.67

Compare benchmarks

CPU 1: Intel Core i7-9700K
CPU 2: Intel Core i7-7820X

PassMark - Single thread mark
CPU 1
CPU 2
2875
2522
PassMark - CPU mark
CPU 1
CPU 2
14458
17165
Geekbench 4 - Single Core
CPU 1
CPU 2
1306
1138
Geekbench 4 - Multi-Core
CPU 1
CPU 2
7386
8814
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
5855
5958
CompuBench 1.5 Desktop - Face Detection (mPixels/s)
CPU 1
CPU 2
9.136
10.666
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
CPU 1
CPU 2
195.695
159.198
CompuBench 1.5 Desktop - T-Rex (Frames/s)
CPU 1
CPU 2
1.105
0.92
CompuBench 1.5 Desktop - Video Composition (Frames/s)
CPU 1
CPU 2
5.449
5.968
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
CPU 1
CPU 2
15.67
16.376
Name Intel Core i7-9700K Intel Core i7-7820X
PassMark - Single thread mark 2875 2522
PassMark - CPU mark 14458 17165
Geekbench 4 - Single Core 1306 1138
Geekbench 4 - Multi-Core 7386 8814
3DMark Fire Strike - Physics Score 5855 5958
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 9.136 10.666
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 195.695 159.198
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.105 0.92
CompuBench 1.5 Desktop - Video Composition (Frames/s) 5.449 5.968
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 15.67 16.376
GFXBench 4.0 - Car Chase Offscreen (Frames) 2156
GFXBench 4.0 - Manhattan (Frames) 1155
GFXBench 4.0 - T-Rex (Frames) 2066
GFXBench 4.0 - Car Chase Offscreen (Fps) 2156
GFXBench 4.0 - Manhattan (Fps) 1155
GFXBench 4.0 - T-Rex (Fps) 2066

Compare specifications (specs)

Intel Core i7-9700K Intel Core i7-7820X

Essentials

Architecture codename Coffee Lake Skylake
Launch date October 2018 June 2017
Place in performance rating 1377 1378
Price now $409.99 $499.99
Processor Number i7-9700K i7-7820X
Series 9th Generation Intel® Core™ i7 Processors Intel® Core™ X-series Processors
Status Launched Launched
Value for money (0-100) 12.64 10.93
Vertical segment Desktop Desktop
Launch price (MSRP) $679

Performance

64 bit support
Base frequency 3.60 GHz 3.60 GHz
Bus Speed 8 GT/s DMI3 8 GT/s DMI3
L1 cache 64K (per core) 64 KB (per core)
L2 cache 256K (per core) 256 KB (per core)
L3 cache 12 MB (shared) 11264 KB (shared)
Manufacturing process technology 14 nm 14 nm
Maximum case temperature (TCase) 72 °C 72 °C
Maximum core temperature 100°C 99°C
Maximum frequency 4.90 GHz 4.30 GHz
Number of cores 8 8
Number of threads 8 16
Unlocked
Number of QPI Links 0

Memory

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

Graphics

Device ID 0x3E98
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

Compatibility

Max number of CPUs in a configuration 1 1
Package Size 37.5mm x 37.5mm
Sockets supported FCLGA1151 FCLGA2066
Thermal Design Power (TDP) 95 Watt 140 Watt
Thermal Solution PCG 2015D (130W) PCG 2017X
Low Halogen Options Available

Peripherals

Max number of PCIe lanes 16 28
PCI Express revision 3.0 3.0
PCIe configurations Up to 1x16, 2x8, 1x8+2x4
Scalability 1S Only 1S Only

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
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® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
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)