Ryzen 9 9900X vs Core 2 Extreme QX6800

Primary details

Comparing Core 2 Extreme QX6800 and Ryzen 9 9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated109
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data63.19
Market segmentDesktop processorDesktop processor
Power efficiencyno data27.17
Architecture codenameKentsfield (2007)Granite Ridge (2024)
Release dateApril 2007 (17 years ago)15 August 2024 (less than a year ago)
Launch price (MSRP)no data$499

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Extreme QX6800 and Ryzen 9 9900X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)12 (Dodeca-Core)
Threads424
Base clock speed2.93 GHz4.4 GHz
Boost clock speed2.93 GHz5.6 GHz
Bus rate1066 MHzno data
L1 cache64K (per core)80 KB (per core)
L2 cache8 MB (shared)1 MB (per core)
L3 cache0 KB64 MB (shared)
Chip lithography65 nm4 nm
Die size2x 143 mm22x 70.6 mm2
Maximum core temperature65 °C95 °C
Number of transistors582 million16,630 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier++
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Extreme QX6800 and Ryzen 9 9900X compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketLGA775AM5
Power consumption (TDP)130 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX6800 and Ryzen 9 9900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataSMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data
Precision Boost 2no data+

Security technologies

Core 2 Extreme QX6800 and Ryzen 9 9900X technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX6800 and Ryzen 9 9900X are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX6800 and Ryzen 9 9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX6800 and Ryzen 9 9900X.

PCIe versionno data5.0
PCI Express lanesno data24

Pros & cons summary


Physical cores 4 12
Threads 4 24
Chip lithography 65 nm 4 nm
Power consumption (TDP) 130 Watt 120 Watt

Ryzen 9 9900X has 200% more physical cores and 500% more threads, a 1525% more advanced lithography process, and 8.3% lower power consumption.

We couldn't decide between Core 2 Extreme QX6800 and Ryzen 9 9900X. We've got no test results to judge.


Should you still have questions on choice between Core 2 Extreme QX6800 and Ryzen 9 9900X, ask them in Comments section, and we shall answer.

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Intel Core 2 Extreme QX6800
Core 2 Extreme QX6800
AMD Ryzen 9 9900X
Ryzen 9 9900X

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Community ratings

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3.6 10 votes

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3.7 152 votes

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Questions & comments

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