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

Comparative analysis of Intel Core i9-9900KS and Intel Core 2 Extreme QX9770 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.

Intel Core i9-9900KS

Intel Core 2 Extreme QX9770

Differences

Reasons to consider the Intel Core i9-9900KS

CPU is newer: launch date 11 year(s) 8 month(s) later
4 more cores, run more applications at once: 8 vs 4
Around 56% higher clock speed: 5.00 GHz vs 3.2 GHz
Around 80% higher maximum core temperature: 100°C vs 55.5°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 7% lower typical power consumption: 127 Watt vs 136 Watt
Around 41% better performance in Geekbench 4 - Multi-Core: 9451 vs 6682

Specifications (specs)
Launch date	Nov 2019 vs March 2008
Number of cores	8 vs 4
Maximum frequency	5.00 GHz vs 3.2 GHz
Maximum core temperature	100°C vs 55.5°C
Manufacturing process technology	14 nm vs 45 nm
L1 cache	512 KB vs 256 KB
Thermal Design Power (TDP)	127 Watt vs 136 Watt
Benchmarks
Geekbench 4 - Multi-Core	9451 vs 6682

Reasons to consider the Intel Core 2 Extreme QX9770

Processor is unlocked, an unlocked multiplier allows for easier overclocking
6x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 66% better performance in Geekbench 4 - Single Core: 2338 vs 1408

Specifications (specs)
Unlocked	Unlocked vs Locked
L2 cache	12288 KB vs 2 MB
Benchmarks
Geekbench 4 - Single Core	2338 vs 1408

Compare benchmarks

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

Geekbench 4 - Single Core

CPU 1

CPU 2

1408

2338

Geekbench 4 - Multi-Core

CPU 1

CPU 2

9451

6682

Name	Intel Core i9-9900KS	Intel Core 2 Extreme QX9770
PassMark - Single thread mark	3035
PassMark - CPU mark	19461
Geekbench 4 - Single Core	1408	2338
Geekbench 4 - Multi-Core	9451	6682
3DMark Fire Strike - Physics Score	7373

Compare specifications (specs)

	Intel Core i9-9900KS	Intel Core 2 Extreme QX9770
Essentials
Architecture codename	Coffee Lake	Yorkfield
Launch date	Nov 2019	March 2008
Launch price (MSRP)	$513 - $524
Place in performance rating	827	833
Processor Number	i9-9900KS	QX9770
Series	9th Generation Intel Core i9 Processors	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	4.00 GHz	3.20 GHz
Bus Speed	8 GT/s	1600 MHz FSB
L1 cache	512 KB	256 KB
L2 cache	2 MB	12288 KB
L3 cache	16 MB
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	100°C	55.5°C
Maximum frequency	5.00 GHz	3.2 GHz
Number of cores	8	4
Number of threads	16
Die size		214 mm2
Maximum case temperature (TCase)		55 °C
Transistor count		820 million
Unlocked
VID voltage range		0.8500V-1.3625V
Memory
Max memory channels	2
Maximum memory bandwidth	41.6 GB/s
Maximum memory size	128 GB
Supported memory types	DDR4-2666	DDR1, DDR2, DDR3
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	37.5mm x 37.5mm
Sockets supported	FCLGA1151	LGA775
Thermal Design Power (TDP)	127 Watt	136 Watt
Thermal Solution	PCG 2015D
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4
Scalability	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 64
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
FSB parity
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)