EPYC 74F3 vs Core 2 Extreme QX6800

Primary details

Comparing Core 2 Extreme QX6800 and EPYC 74F3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	76
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	11.00
Market segment	Desktop processor	Server
Series	no data	AMD EPYC
Power efficiency	no data	15.06
Architecture codename	Kentsfield (2007)	Milan (2021−2023)
Release date	April 2007 (17 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	no data	$2,900

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Extreme QX6800 and EPYC 74F3 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 cores	4 (Quad-Core)	24 (Tetracosa-Core)
Threads	4	48
Base clock speed	2.93 GHz	2.8 GHz
Boost clock speed	2.93 GHz	4 GHz
Bus rate	1066 MHz	no data
Multiplier	no data	32
L1 cache	64K (per core)	64 KB (per core)
L2 cache	8 MB (shared)	512 KB (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	65 nm	7 nm+
Die size	2x 143 mm2	4x 81 mm2
Maximum core temperature	65 °C	no data
Number of transistors	582 million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	-
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Extreme QX6800 and EPYC 74F3 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 configuration	1	2
Socket	LGA775	SP3
Power consumption (TDP)	130 Watt	240 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX6800 and EPYC 74F3. 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

Security technologies

Core 2 Extreme QX6800 and EPYC 74F3 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 EPYC 74F3 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 EPYC 74F3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4-3200
Maximum memory size	no data	4 TiB
Maximum memory bandwidth	no data	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX6800 and EPYC 74F3.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Pros & cons summary

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Physical cores	4	24
Threads	4	48
Chip lithography	65 nm	7 nm
Power consumption (TDP)	130 Watt	240 Watt

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Should you still have questions on choice between Core 2 Extreme QX6800 and EPYC 74F3, ask them in Comments section, and we shall answer.

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