EPYC 7443 vs i9-10900KF

Primary details

Comparing Core i9-10900KF and EPYC 7443 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	510	103
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	14.35	15.23
Market segment	Desktop processor	Server
Series	no data	AMD EPYC
Power efficiency	10.74	16.86
Architecture codename	Comet Lake (2020)	Milan (2021−2023)
Release date	30 April 2020 (4 years ago)	12 January 2021 (3 years ago)
Launch price (MSRP)	$509	$2,010

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7443 has 6% better value for money than i9-10900KF.

Detailed specifications

Core i9-10900KF and EPYC 7443 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	10 (Deca-Core)	24 (Tetracosa-Core)
Threads	20	48
Base clock speed	3.7 GHz	2.85 GHz
Boost clock speed	5.2 GHz	4 GHz
Bus rate	8 GT/s	no data
Multiplier	no data	28.5
L1 cache	64 KB (per core)	1536 KB
L2 cache	256 KB (per core)	12 MB
L3 cache	20 MB (shared)	128 MB (shared)
Chip lithography	14 nm	7 nm+
Die size	no data	4x 81 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	16,600 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-10900KF and EPYC 7443 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	FCLGA1200	SP3
Power consumption (TDP)	125 Watt	200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-10900KF and EPYC 7443. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	+	no data

Security technologies

Core i9-10900KF and EPYC 7443 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-10900KF and EPYC 7443 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 i9-10900KF and EPYC 7443. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-3200
Maximum memory size	128 GB	4 TiB
Max memory channels	2	no data
Maximum memory bandwidth	45.8 GB/s	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Core i9-10900KF and EPYC 7443.

PCIe version	3.0	4.0
PCI Express lanes	16	128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

---

Pros & cons summary

---

Performance score	14.72	36.98
Recency	30 April 2020	12 January 2021
Physical cores	10	24
Threads	20	48
Chip lithography	14 nm	7 nm
Power consumption (TDP)	125 Watt	200 Watt

---

Should you still have questions on choice between Core i9-10900KF and EPYC 7443, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---