EPYC 9755 vs Core 2 Extreme QX9775

Primary details

Comparing Core 2 Extreme QX9775 and EPYC 9755 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Architecture codenameYorkfield (2007−2009)Turin (2024)
Release dateMarch 2008 (16 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$12,984

Detailed specifications

Core 2 Extreme QX9775 and EPYC 9755 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)128
Threads4256
Base clock speed3.2 GHz2.7 GHz
Boost clock speed3.2 GHz4.1 GHz
Bus rate1600 MHzno data
L1 cache64K (per core)80 KB (per core)
L2 cache12 MB (shared)1 MB (per core)
L3 cache0 KB512 MB (shared)
Chip lithography45 nm4 nm
Die size2x 107 mm216x 70.6 mm2
Maximum case temperature (TCase)63 °Cno data
Number of transistors820 million133,040 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Core 2 Extreme QX9775 and EPYC 9755 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 configuration12
SocketLGA771SP5
Power consumption (TDP)150 Watt500 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and EPYC 9755. You'll probably need this information if you require some particular technology.

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 QX9775 and EPYC 9755 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 QX9775 and EPYC 9755 are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and EPYC 9755. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and EPYC 9755.

PCIe versionno data5.0
PCI Express lanesno data128

Pros & cons summary


Physical cores 4 128
Threads 4 256
Chip lithography 45 nm 4 nm
Power consumption (TDP) 150 Watt 500 Watt

Core 2 Extreme QX9775 has 233.3% lower power consumption.

EPYC 9755, on the other hand, has 3100% more physical cores and 6300% more threads, and a 1025% more advanced lithography process.

We couldn't decide between Core 2 Extreme QX9775 and EPYC 9755. We've got no test results to judge.

Note that Core 2 Extreme QX9775 is a desktop processor while EPYC 9755 is a server/workstation one.


Should you still have questions on choice between Core 2 Extreme QX9775 and EPYC 9755, ask them in Comments section, and we shall answer.

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Intel Core 2 Extreme QX9775
Core 2 Extreme QX9775
AMD EPYC 9755
EPYC 9755

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Community ratings

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