Intel Core i9-9900X vs Intel Core 2 Extreme QX9770

Comparative analysis of Intel Core i9-9900X and Intel Core 2 Extreme QX9770 processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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.

Intel Core i9-9900X

Intel Core 2 Extreme QX9770

Differences

Reasons to consider the Intel Core i9-9900X

CPU is newer: launch date 10 year(s) 7 month(s) later
6 more cores, run more applications at once: 10 vs 4
Around 38% higher clock speed: 4.40 GHz vs 3.2 GHz
Around 66% higher maximum core temperature: 92°C vs 55.5°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
2.5x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 56% better performance in Geekbench 4 - Multi-Core: 10446 vs 6682

Specifications (specs)
Launch date	October 2018 vs March 2008
Number of cores	10 vs 4
Maximum frequency	4.40 GHz vs 3.2 GHz
Maximum core temperature	92°C vs 55.5°C
Manufacturing process technology	14 nm vs 45 nm
L1 cache	64K (per core) vs 256 KB
Benchmarks
Geekbench 4 - Multi-Core	10446 vs 6682

Reasons to consider the Intel Core 2 Extreme QX9770

Around 20% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 21% lower typical power consumption: 136 Watt vs 165 Watt
2.1x better performance in Geekbench 4 - Single Core: 2338 vs 1136

Specifications (specs)
L2 cache	12288 KB vs 1 MB (per core)
Thermal Design Power (TDP)	136 Watt vs 165 Watt
Benchmarks
Geekbench 4 - Single Core	2338 vs 1136

Compare benchmarks

CPU 1: Intel Core i9-9900X
CPU 2: Intel Core 2 Extreme QX9770

Geekbench 4 - Single Core

CPU 1

CPU 2

1136

2338

Geekbench 4 - Multi-Core

CPU 1

CPU 2

10446

6682

Name	Intel Core i9-9900X	Intel Core 2 Extreme QX9770
PassMark - Single thread mark	2559
PassMark - CPU mark	21815
Geekbench 4 - Single Core	1136	2338
Geekbench 4 - Multi-Core	10446	6682
3DMark Fire Strike - Physics Score	10364

Compare specifications (specs)

	Intel Core i9-9900X	Intel Core 2 Extreme QX9770
Essentials
Architecture codename	Skylake	Yorkfield
Launch date	October 2018	March 2008
Place in performance rating	819	833
Processor Number	i9-9900X	QX9770
Series	Intel® Core™ X-series Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.50 GHz	3.20 GHz
Bus Speed	8 GT/s DMI3	1600 MHz FSB
L1 cache	64K (per core)	256 KB
L2 cache	1 MB (per core)	12288 KB
L3 cache	19.25 MB (shared)
Manufacturing process technology	14 nm	45 nm
Maximum case temperature (TCase)	72 °C	55 °C
Maximum core temperature	92°C	55.5°C
Maximum frequency	4.40 GHz	3.2 GHz
Number of cores	10	4
Number of QPI Links	0
Number of threads	20
Unlocked
Die size		214 mm2
Transistor count		820 million
VID voltage range		0.8500V-1.3625V
Memory
Max memory channels	4
Maximum memory size	128 GB
Supported memory types	DDR4-2666	DDR1, DDR2, DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA2066	LGA775
Thermal Design Power (TDP)	165 Watt	136 Watt
Thermal Solution	PCG 2017X
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Peripherals
Max number of PCIe lanes	44
PCI Express revision	3.0
Scalability	1S Only
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 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
FSB parity
Idle States
Intel® Demand Based Switching
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)