EPYC 9575F vs i5-661

Primary details

Comparing Core i5-661 and EPYC 9575F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2124	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.12	no data
Market segment	Desktop processor	Server
Power efficiency	1.70	no data
Architecture codename	Clarkdale (2010−2011)	Turin (2024)
Release date	7 January 2010 (14 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$252	$11,791

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-661 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	2 (Dual-core)	64 (Tetrahexaconta-Core)
Threads	4	128
Base clock speed	3.33 GHz	3.3 GHz
Boost clock speed	3.6 GHz	5 GHz
Bus rate	2.5 GT/s	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	4 MB (shared)	256 MB (shared)
Chip lithography	32 nm	4 nm
Die size	81 mm2	8x 70.6 mm2
Maximum core temperature	70 °C	no data
Number of transistors	382 million	66,520 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i5-661 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	FCLGA1156	SP5
Power consumption (TDP)	87 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-661 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	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	-	no data
PAE	36 Bit	no data
FDI	+	no data
Precision Boost 2	no data	+

Security technologies

Core i5-661 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 i5-661 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 i5-661 and EPYC 9575F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	16.38 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	Intel HD Graphics for Previous Generation Intel Processors	N/A
Clear Video HD	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-661 and EPYC 9575F integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i5-661 and EPYC 9575F.

PCIe version	2.0	5.0
PCI Express lanes	16	128

Pros & cons summary

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Recency	7 January 2010	10 October 2024
Physical cores	2	64
Threads	4	128
Chip lithography	32 nm	4 nm
Power consumption (TDP)	87 Watt	400 Watt

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