Intel Core i9-9940X vs Intel Core i7-8700T

Comparative analysis of Intel Core i9-9940X and Intel Core i7-8700T processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, 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 i9-9940X

Intel Core i7-8700T

Differences

Reasons to consider the Intel Core i9-9940X

CPU is newer: launch date 5 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
8 more cores, run more applications at once: 14 vs 6
16 more threads: 28 vs 12
Around 10% higher clock speed: 4.40 GHz vs 4.00 GHz
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
9.3x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 60% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 14% better performance in PassMark - Single thread mark: 2632 vs 2299
2.8x better performance in PassMark - CPU mark: 28059 vs 10198
Around 8% better performance in Geekbench 4 - Single Core: 1140 vs 1054
2.7x better performance in Geekbench 4 - Multi-Core: 13302 vs 4983
Around 69% better performance in 3DMark Fire Strike - Physics Score: 11442 vs 6753

Specifications (specs)
Launch date	October 2018 vs April 2018
Unlocked	Unlocked vs Locked
Number of cores	14 vs 6
Number of threads	28 vs 12
Maximum frequency	4.40 GHz vs 4.00 GHz
L1 cache	64K (per core) vs 64 KB (per core)
L2 cache	1 MB (per core) vs 256 KB (per core)
L3 cache	19.25 MB (shared) vs 12288 KB (shared)
Benchmarks
PassMark - Single thread mark	2632 vs 2299
PassMark - CPU mark	28059 vs 10198
Geekbench 4 - Single Core	1140 vs 1054
Geekbench 4 - Multi-Core	13302 vs 4983
3DMark Fire Strike - Physics Score	11442 vs 6753

Reasons to consider the Intel Core i7-8700T

Around 14% higher maximum core temperature: 100°C vs 88°C
4.7x lower typical power consumption: 35 Watt vs 165 Watt

Maximum core temperature	100°C vs 88°C
Thermal Design Power (TDP)	35 Watt vs 165 Watt

Compare benchmarks

CPU 1: Intel Core i9-9940X
CPU 2: Intel Core i7-8700T

PassMark - Single thread mark

CPU 1

CPU 2

2632

2299

PassMark - CPU mark

CPU 1

CPU 2

28059

10198

Geekbench 4 - Single Core

CPU 1

CPU 2

1140

1054

Geekbench 4 - Multi-Core

CPU 1

CPU 2

13302

4983

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

11442

6753

Name	Intel Core i9-9940X	Intel Core i7-8700T
PassMark - Single thread mark	2632	2299
PassMark - CPU mark	28059	10198
Geekbench 4 - Single Core	1140	1054
Geekbench 4 - Multi-Core	13302	4983
3DMark Fire Strike - Physics Score	11442	6753
GFXBench 4.0 - Car Chase Offscreen (Frames)		1797
GFXBench 4.0 - Manhattan (Frames)		5227
GFXBench 4.0 - T-Rex (Frames)		7864
GFXBench 4.0 - Car Chase Offscreen (Fps)		1797
GFXBench 4.0 - Manhattan (Fps)		5227
GFXBench 4.0 - T-Rex (Fps)		7864

Compare specifications (specs)

	Intel Core i9-9940X	Intel Core i7-8700T
Essentials
Architecture codename	Skylake	Coffee Lake
Launch date	October 2018	April 2018
Place in performance rating	696	495
Processor Number	i9-9940X	i7-8700T
Series	Intel® Core™ X-series Processors	8th Generation Intel® Core™ i7 Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Price now		$429
Value for money (0-100)		8.58
Performance
64 bit support
Base frequency	3.30 GHz	2.40 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
L1 cache	64K (per core)	64 KB (per core)
L2 cache	1 MB (per core)	256 KB (per core)
L3 cache	19.25 MB (shared)	12288 KB (shared)
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	88°C	100°C
Maximum frequency	4.40 GHz	4.00 GHz
Number of cores	14	6
Number of QPI Links	0
Number of threads	28	12
Unlocked
Maximum case temperature (TCase)		72 °C
Memory
Max memory channels	4	2
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-2666	DDR4-2666
Maximum memory bandwidth		41.6 GB/s
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA2066	FCLGA1151
Thermal Design Power (TDP)	165 Watt	35 Watt
Thermal Solution	PCG 2017X	PCG 2015A (35W)
Configurable TDP-down		25 W
Configurable TDP-down Frequency		1.90 GHz
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Peripherals
Max number of PCIe lanes	44	16
PCI Express revision	3.0	3.0
Scalability	1S Only	1S Only
PCIe configurations		Up to 1x16, 2x8, 1x8+2x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	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® Turbo Boost technology
Number of AVX-512 FMA Units	2
Idle States
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
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)
Graphics
Device ID		0x3E92
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