Xeon Gold 6434 vs i9-12900KF

Primary details

Comparing Core i9-12900KF and Xeon Gold 6434 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	193	440
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	38.54	14.19
Market segment	Desktop processor	Server
Series	Intel Core i9	no data
Power efficiency	19.48	7.55
Architecture codename	Alder Lake, Golden Cove, Gracemont (2021)	Sapphire Rapids (2023−2024)
Release date	4 November 2021 (3 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$564	$2,607

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-12900KF has 172% better value for money than Xeon Gold 6434.

Detailed specifications

Core i9-12900KF and Xeon Gold 6434 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	16 (Hexadeca-Core)	8 (Octa-Core)
Threads	24	16
Base clock speed	3.2 GHz	3.7 GHz
Boost clock speed	5.2 GHz	4.1 GHz
Bus type	DMI 4.0	no data
Bus rate	8 × 16 GT/s	no data
Multiplier	32	no data
L1 cache	80K (per core)	80K (per core)
L2 cache	1.25 MB (per core)	2 MB (per core)
L3 cache	30 MB (shared)	22.5 MB
Chip lithography	Intel 7 nm	Intel 7 nm
Die size	215.25 mm2	no data
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	64 °C
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i9-12900KF and Xeon Gold 6434 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	FCLGA1700	FCLGA4677
Power consumption (TDP)	125 Watt	195 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-12900KF and Xeon Gold 6434. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	+

Security technologies

Core i9-12900KF and Xeon Gold 6434 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+
Secure Key	+	no data
SGX	no data	Yes with Intel® SPS
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-12900KF and Xeon Gold 6434 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-12900KF and Xeon Gold 6434. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800, DDR4-3200	DDR5-4800, DDR5-4400
Maximum memory size	128 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	76.805 GB/s	no data
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i9-12900KF and Xeon Gold 6434.

PCIe version	5.0 and 4.0	5
PCI Express lanes	20	80

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	25.87	15.64
Recency	4 November 2021	10 January 2023
Physical cores	16	8
Threads	24	16
Power consumption (TDP)	125 Watt	195 Watt

---

Should you still have questions on choice between Core i9-12900KF and Xeon Gold 6434, 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.

---