Intel Core i7-9700K vs Intel Core i7-7740X

Comparative analysis of Intel Core i7-9700K and Intel Core i7-7740X 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 i7-7740X

Differences

Reasons to consider the Intel Core i7-9700K

CPU is newer: launch date 1 year(s) 4 month(s) later
4 more cores, run more applications at once: 8 vs 4
Around 9% higher clock speed: 4.90 GHz vs 4.50 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 128 GB vs 64 GB
Around 18% lower typical power consumption: 95 Watt vs 112 Watt
Around 7% better performance in PassMark - Single thread mark: 2877 vs 2686
Around 51% better performance in PassMark - CPU mark: 14473 vs 9611
Around 4% better performance in Geekbench 4 - Single Core: 1306 vs 1251
Around 51% better performance in Geekbench 4 - Multi-Core: 7386 vs 4898

Specifications (specs)
Launch date	October 2018 vs 30 May 2017
Number of cores	8 vs 4
Maximum frequency	4.90 GHz vs 4.50 GHz
L1 cache	64K (per core) vs 256 KB
L2 cache	256K (per core) vs 1 MB
L3 cache	12 MB (shared) vs 8 MB
Maximum memory size	128 GB vs 64 GB
Thermal Design Power (TDP)	95 Watt vs 112 Watt
Benchmarks
PassMark - Single thread mark	2877 vs 2686
PassMark - CPU mark	14473 vs 9611
Geekbench 4 - Single Core	1306 vs 1251
Geekbench 4 - Multi-Core	7386 vs 4898

Compare benchmarks

CPU 1: Intel Core i7-9700K
CPU 2: Intel Core i7-7740X

PassMark - Single thread mark

CPU 1

CPU 2

2877

2686

PassMark - CPU mark

CPU 1

CPU 2

14473

9611

Geekbench 4 - Single Core

CPU 1

CPU 2

1306

1251

Geekbench 4 - Multi-Core

CPU 1

CPU 2

7386

4898

Name	Intel Core i7-9700K	Intel Core i7-7740X
PassMark - Single thread mark	2877	2686
PassMark - CPU mark	14473	9611
Geekbench 4 - Single Core	1306	1251
Geekbench 4 - Multi-Core	7386	4898
3DMark Fire Strike - Physics Score	5869	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	9.136
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	195.695
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.105
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.449
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	15.67
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 i7-7740X
Essentials
Architecture codename	Coffee Lake	Kaby Lake
Launch date	October 2018	30 May 2017
Place in performance rating	1343	1357
Price now	$409.99	$348.99
Processor Number	i7-9700K	i7-7740X
Series	9th Generation Intel® Core™ i7 Processors	Intel® Core™ X-series Processors
Status	Launched	Discontinued
Value for money (0-100)	12.64	10.34
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$350
Performance
64 bit support
Base frequency	3.60 GHz	4.30 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
L1 cache	64K (per core)	256 KB
L2 cache	256K (per core)	1 MB
L3 cache	12 MB (shared)	8 MB
Manufacturing process technology	14 nm	14 nm
Maximum case temperature (TCase)	72 °C	72 °C
Maximum core temperature	100°C	100°C
Maximum frequency	4.90 GHz	4.50 GHz
Number of cores	8	4
Number of threads	8	8
Unlocked
Number of QPI Links		0
Memory
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s
Maximum memory size	128 GB	64 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	112 Watt
Thermal Solution	PCG 2015D (130W)	PCG 2017X
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4	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 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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)