EPYC 9555P vs i7-3940XM

Primary details

Comparing Core i7-3940XM and EPYC 9555P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1484	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	6.33	no data
Architecture codename	Ivy Bridge (2012−2013)	Turin (2024)
Release date	3 September 2012 (12 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$1,096	$7,983

Detailed specifications

Core i7-3940XM and EPYC 9555P 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	3 GHz	3.2 GHz
Boost clock speed	3.9 GHz	4.4 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	8 MB (shared)	256 MB (shared)
Chip lithography	22 nm	4 nm
Die size	160 mm2	8x 70.6 mm2
Maximum core temperature	105 °C	no data
Number of transistors	1,400 million	66,520 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i7-3940XM and EPYC 9555P 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	1
Socket	FCPGA988	SP5
Power consumption (TDP)	55 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3940XM and EPYC 9555P. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data
Precision Boost 2	no data	+

Security technologies

Core i7-3940XM and EPYC 9555P technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Identity Protection	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3940XM and EPYC 9555P 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 i7-3940XM and EPYC 9555P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4000	N/A
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.35 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-3940XM and EPYC 9555P integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-3940XM and EPYC 9555P.

PCIe version	3.0	5.0
PCI Express lanes	16	128

Pros & cons summary

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Recency	3 September 2012	10 October 2024
Physical cores	4	64
Threads	8	128
Chip lithography	22 nm	4 nm
Power consumption (TDP)	55 Watt	360 Watt

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Should you still have questions on choice between Core i7-3940XM and EPYC 9555P, ask them in Comments section, and we shall answer.

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