EPYC 7601 vs Core 2 Extreme QX9775

Primary details

Comparing Core 2 Extreme QX9775 and EPYC 7601 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	248
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	1.64
Market segment	Desktop processor	Server
Series	no data	AMD EPYC
Power efficiency	no data	11.28
Architecture codename	Yorkfield (2007−2009)	Naples (2017−2018)
Release date	March 2008 (16 years ago)	29 June 2017 (7 years ago)
Launch price (MSRP)	no data	$4,200

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Extreme QX9775 and EPYC 7601 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)	32 (Dotriaconta-Core)
Threads	4	64
Base clock speed	3.2 GHz	2.2 GHz
Boost clock speed	3.2 GHz	3.2 GHz
Bus rate	1600 MHz	no data
Multiplier	no data	22
L1 cache	64K (per core)	96K (per core)
L2 cache	12 MB (shared)	512K (per core)
L3 cache	0 KB	64 MB (shared)
Chip lithography	45 nm	14 nm
Die size	2x 107 mm2	192 mm2
Maximum case temperature (TCase)	63 °C	no data
Number of transistors	820 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	+	+
VID voltage range	0.85V-1.35V	no data

Compatibility

Information on Core 2 Extreme QX9775 and EPYC 7601 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 (Multiprocessor)
Socket	LGA771	TR4
Power consumption (TDP)	150 Watt	180 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and EPYC 7601. 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 QX9775 and EPYC 7601 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 7601 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 7601. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR4 Eight-channel
Maximum memory size	no data	2 TiB
Maximum memory bandwidth	no data	170.671 GB/s

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and EPYC 7601.

PCIe version	no data	3.0
PCI Express lanes	no data	128

Pros & cons summary

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Physical cores	4	32
Threads	4	64
Chip lithography	45 nm	14 nm
Power consumption (TDP)	150 Watt	180 Watt

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Should you still have questions on choice between Core 2 Extreme QX9775 and EPYC 7601, ask them in Comments section, and we shall answer.

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