EPYC 9575F vs i7-940XM

Primary details

Comparing Core i7-940XM and EPYC 9575F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2215	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i7	no data
Power efficiency	2.39	no data
Architecture codename	Clarksfield (2009−2010)	Turin (2024)
Release date	20 June 2010 (14 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$1,096	$11,791

Detailed specifications

Core i7-940XM and EPYC 9575F 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)	64 (Tetrahexaconta-Core)
Threads	8	128
Base clock speed	2.13 GHz	3.3 GHz
Boost clock speed	3.33 GHz	5 GHz
Bus rate	2500 MHz	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	8 MB (shared)	256 MB (shared)
Chip lithography	45 nm	4 nm
Die size	296 mm2	8x 70.6 mm2
Maximum core temperature	100 °C	no data
Number of transistors	774 million	66,520 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i7-940XM and EPYC 9575F 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	FCPGA988,PGA988	SP5
Power consumption (TDP)	55 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-940XM and EPYC 9575F. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
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
PAE	36 Bit	no data
Precision Boost 2	no data	+

Security technologies

Core i7-940XM and EPYC 9575F 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 i7-940XM and EPYC 9575F are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-940XM and EPYC 9575F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

None

N/A

Peripherals

Specifications and connection of peripherals supported by Core i7-940XM and EPYC 9575F.

PCIe version	2	5.0
PCI Express lanes	16	128

Pros & cons summary

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Recency	20 June 2010	10 October 2024
Physical cores	4	64
Threads	8	128
Chip lithography	45 nm	4 nm
Power consumption (TDP)	55 Watt	400 Watt

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Should you still have questions on choice between Core i7-940XM and EPYC 9575F, ask them in Comments section, and we shall answer.

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