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).

Intel Core i7-9700K

Intel Core i7-7820X

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 14459
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 14459
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

14459

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	14459	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)