Intel Core i7-10700K vs Intel Core i9-10940X

Comparative analysis of Intel Core i7-10700K and Intel Core i9-10940X 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, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i7-10700K

Intel Core i9-10940X

Differences

Reasons to consider the Intel Core i7-10700K

Around 11% higher clock speed: 5.10 GHz vs 4.60 GHz
Around 16% higher maximum core temperature: 100°C vs 86°C
Around 14% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 32% lower typical power consumption: 125 Watt vs 165 Watt
Around 14% better performance in PassMark - Single thread mark: 3053 vs 2669

Specifications (specs)
Maximum frequency	5.10 GHz vs 4.60 GHz
Maximum core temperature	100°C vs 86°C
L1 cache	1 MB vs 896 KB
Thermal Design Power (TDP)	125 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	3053 vs 2669

Reasons to consider the Intel Core i9-10940X

6 more cores, run more applications at once: 14 vs 8
12 more threads: 28 vs 16
7x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 20% more L3 cache; more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 256 GB vs 128 GB
Around 48% better performance in PassMark - CPU mark: 27860 vs 18836
Around 54% better performance in 3DMark Fire Strike - Physics Score: 11222 vs 7292

Specifications (specs)
Number of cores	14 vs 8
Number of threads	28 vs 16
L2 cache	14 MB vs 2 MB
L3 cache	19.25 MB vs 16 MB
Maximum memory size	256 GB vs 128 GB
Benchmarks
PassMark - CPU mark	27860 vs 18836
3DMark Fire Strike - Physics Score	11222 vs 7292

Compare benchmarks

CPU 1: Intel Core i7-10700K
CPU 2: Intel Core i9-10940X

PassMark - Single thread mark

CPU 1

CPU 2

3053

2669

PassMark - CPU mark

CPU 1

CPU 2

18836

27860

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

7292

11222

Name	Intel Core i7-10700K	Intel Core i9-10940X
PassMark - Single thread mark	3053	2669
PassMark - CPU mark	18836	27860
3DMark Fire Strike - Physics Score	7292	11222
Geekbench 4 - Single Core		1176
Geekbench 4 - Multi-Core		13529

Compare specifications (specs)

	Intel Core i7-10700K	Intel Core i9-10940X
Essentials
Architecture codename	Comet Lake	Cascade Lake
Launch date	Q2'20	7 Oct 2019
Launch price (MSRP)	$374 - $387	$784
Place in performance rating	709	681
Processor Number	i7-10700K	i9-10940X
Series	10th Generation Intel Core i7 Processors	Intel Core X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.80 GHz	3.30 GHz
Bus Speed	8 GT/s
L1 cache	1 MB	896 KB
L2 cache	2 MB	14 MB
L3 cache	16 MB	19.25 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C	86°C
Maximum frequency	5.10 GHz	4.60 GHz
Number of cores	8	14
Number of threads	16	28
Memory
Max memory channels	2	4
Maximum memory bandwidth	45.8 GB/s
Maximum memory size	128 GB	256 GB
Supported memory types	DDR4-2933	DDR4-2933
Graphics
Device ID	0x9BC5
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	4096x2160@30Hz
Graphics API support
DirectX	12
OpenGL	4.5
Compatibility
Configurable TDP-down	95 Watt
Configurable TDP-down Frequency	3.50 GHz
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1200	FCLGA2066
Thermal Design Power (TDP)	125 Watt	165 Watt
Thermal Solution	PCG 2015D	PCG 2017X
Peripherals
Max number of PCIe lanes	16	48
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® 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® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
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)