Core Ultra 9 285K vs Core 2 Extreme QX6800

VS

Primary details

Comparing Core 2 Extreme QX6800 and Core Ultra 9 285K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated54
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data74.24
Market segmentDesktop processorDesktop processor
Power efficiencyno data32.54
Architecture codenameKentsfield (2007)Arrow Lake-S (2024−2025)
Release dateApril 2007 (17 years ago)24 October 2024 (less than a year ago)
Launch price (MSRP)no data$589

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Extreme QX6800 and Core Ultra 9 285K 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)24 (Tetracosa-Core)
Performance-coresno data8
Efficient-coresno data16
Threads424
Base clock speed2.93 GHz3.7 GHz
Boost clock speed2.93 GHz5.6 GHz
Bus rate1066 MHz250 MHz
L1 cache64K (per core)112 KB (per core)
L2 cache8 MB (shared)3 MB (per core)
L3 cache0 KB36 MB (shared)
Chip lithography65 nm3 nm
Die size2x 143 mm2243 mm2
Maximum core temperature65 °Cno data
Number of transistors582 million17,800 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 Core Ultra 9 285K 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
SocketLGA775FCLGA1851
Power consumption (TDP)130 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX6800 and Core Ultra 9 285K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology-no data
TSX-+
Idle States++
Thermal Monitoring++
SIPP-+
Demand Based Switching-no data
Turbo Boost Max 3.0no data+
FSB parity-no data
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Security technologies

Core 2 Extreme QX6800 and Core Ultra 9 285K technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX6800 and Core Ultra 9 285K are enumerated here.

VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX6800 and Core Ultra 9 285K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR5-6400
Maximum memory sizeno data192 GB
Max memory channelsno data2
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Graphics
Quick Sync Video-+
Graphics max frequencyno data2 GHz

Graphics interfaces

Available interfaces and connections of Core 2 Extreme QX6800 and Core Ultra 9 285K integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core 2 Extreme QX6800 and Core Ultra 9 285K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4K @ 60Hz (HDMI 2.1 TMDS) 8K @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data4K @ 60Hz
Max resolution over DisplayPortno data8K @ 60Hz

Graphics API support

APIs supported by Core 2 Extreme QX6800 and Core Ultra 9 285K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX6800 and Core Ultra 9 285K.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data20

Pros & cons summary


Physical cores 4 24
Threads 4 24
Chip lithography 65 nm 3 nm
Power consumption (TDP) 130 Watt 125 Watt

Ultra 9 285K has 500% more physical cores and 500% more threads, a 2066.7% more advanced lithography process, and 4% lower power consumption.

We couldn't decide between Core 2 Extreme QX6800 and Core Ultra 9 285K. We've got no test results to judge.


Should you still have questions on choice between Core 2 Extreme QX6800 and Core Ultra 9 285K, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Extreme QX6800
Core 2 Extreme QX6800
Intel Core Ultra 9 285K
Core Ultra 9 285K

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.6 10 votes

Rate Core 2 Extreme QX6800 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.4 178 votes

Rate Core Ultra 9 285K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Extreme QX6800 or Core Ultra 9 285K, agree or disagree with our judgements, or report an error or mismatch.