Intel Core i9-7920X vs Intel Core i5-655K

Comparative analysis of Intel Core i9-7920X and Intel Core i5-655K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. 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).

Intel Core i9-7920X

Intel Core i5-655K

Differences

Reasons to consider the Intel Core i9-7920X

CPU is newer: launch date 7 year(s) 4 month(s) later
10 more cores, run more applications at once: 12 vs 2
20 more threads: 24 vs 4
Around 24% higher clock speed: 4.30 GHz vs 3.46 GHz
Around 31% higher maximum core temperature: 95°C vs 72.6°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
6x more L1 cache, more data can be stored in the L1 cache for quick access later
6x more L2 cache, more data can be stored in the L2 cache for quick access later
3.5x more L3 cache, more data can be stored in the L3 cache for quick access later
7.8x more maximum memory size: 128 GB vs 16.38 GB
Around 73% better performance in PassMark - Single thread mark: 2506 vs 1446
11.7x better performance in PassMark - CPU mark: 23616 vs 2017
2.4x better performance in Geekbench 4 - Multi-Core: 11596 vs 4869

Specifications (specs)
Launch date	September 2017 vs May 2010
Number of cores	12 vs 2
Number of threads	24 vs 4
Maximum frequency	4.30 GHz vs 3.46 GHz
Maximum core temperature	95°C vs 72.6°C
Manufacturing process technology	14 nm vs 32 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	14336 KB (shared) vs 4096 KB (shared)
Maximum memory size	128 GB vs 16.38 GB
Benchmarks
PassMark - Single thread mark	2506 vs 1446
PassMark - CPU mark	23616 vs 2017
Geekbench 4 - Multi-Core	11596 vs 4869

Reasons to consider the Intel Core i5-655K

Around 92% lower typical power consumption: 73 Watt vs 140 Watt
2.3x better performance in Geekbench 4 - Single Core: 2510 vs 1115

Specifications (specs)
Thermal Design Power (TDP)	73 Watt vs 140 Watt
Benchmarks
Geekbench 4 - Single Core	2510 vs 1115

Compare benchmarks

CPU 1: Intel Core i9-7920X
CPU 2: Intel Core i5-655K

PassMark - Single thread mark

CPU 1

CPU 2

2506

1446

PassMark - CPU mark

CPU 1

CPU 2

23616

2017

Geekbench 4 - Single Core

CPU 1

CPU 2

1115

2510

Geekbench 4 - Multi-Core

CPU 1

CPU 2

11596

4869

Name	Intel Core i9-7920X	Intel Core i5-655K
PassMark - Single thread mark	2506	1446
PassMark - CPU mark	23616	2017
Geekbench 4 - Single Core	1115	2510
Geekbench 4 - Multi-Core	11596	4869
3DMark Fire Strike - Physics Score	10240
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	16.372
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	69.055
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.234
CompuBench 1.5 Desktop - Video Composition (Frames/s)	8.881
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	22.723

Compare specifications (specs)

	Intel Core i9-7920X	Intel Core i5-655K
Essentials
Architecture codename	Skylake	Clarkdale
Launch date	September 2017	May 2010
Launch price (MSRP)	$1,200
Place in performance rating	1145	1139
Price now	$1,019.99	$59.99
Processor Number	i9-7920X	i5-655K
Series	Intel® Core™ X-series Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Value for money (0-100)	6.71	16.69
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	2.90 GHz	3.20 GHz
Bus Speed	8 GT/s DMI3	2.5 GT/s DMI
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	14336 KB (shared)	4096 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum case temperature (TCase)	72 °C
Maximum core temperature	95°C	72.6°C
Maximum frequency	4.30 GHz	3.46 GHz
Number of cores	12	2
Number of QPI Links	0
Number of threads	24	4
Unlocked
Die size		81 mm2
Transistor count		382 million
VID voltage range		0.6500V-1.4000V
Memory
Max memory channels	4	2
Maximum memory size	128 GB	16.38 GB
Supported memory types	DDR4-2666	DDR3 1066/1333
Maximum memory bandwidth		21 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA2066	FCLGA1156
Thermal Design Power (TDP)	140 Watt	73 Watt
Thermal Solution	PCG 2017X
Package Size		37.5mm x 37.5mm
Peripherals
Max number of PCIe lanes	44	16
PCI Express revision	3.0	2.0
Scalability	1S Only
PCIe configurations		1x16, 2x8
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.2
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
Flexible Display interface (FDI)
Idle States
Intel® Demand Based Switching
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		36-bit
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
Graphics base frequency		733 MHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics		Intel HD Graphics
Graphics interfaces
Number of displays supported		2