Ultra 5 245KF vs Ryzen 7 1800X

Primary details

Comparing Ryzen 7 1800X and Core Ultra 5 245KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	758	176
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.18	81.94
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 7	no data
Power efficiency	10.21	20.74
Architecture codename	Zen (2017−2020)	Arrow Lake-S (2024−2025)
Release date	2 March 2017 (7 years ago)	24 October 2024 (less than a year ago)
Launch price (MSRP)	$499	$294

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 5 245KF has 2477% better value for money than Ryzen 7 1800X.

Detailed specifications

Ryzen 7 1800X and Core Ultra 5 245KF 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	8 (Octa-Core)	14 (Tetradeca-Core)
Threads	16	14
Base clock speed	3.6 GHz	4.2 GHz
Boost clock speed	4 GHz	5.2 GHz
Bus rate	4 × 8 GT/s	no data
Multiplier	36	no data
L1 cache	768 KB	112 KB (per core)
L2 cache	4096 KB	3 MB (per core)
L3 cache	16384 KB	24 MB (shared)
Chip lithography	14 nm	3 nm
Die size	192 mm2	243 mm2
Number of transistors	4,800 million	17,800 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 7 1800X and Core Ultra 5 245KF 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 (Uniprocessor)	1
Socket	AM4	1851
Power consumption (TDP)	95 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 1800X and Core Ultra 5 245KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	XFR, FMA3, SSE 4.2, AVX2, SMT	no data
AES-NI	+	+
FMA	FMA3	-
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
TSX	-	+
XFR	+	-
SenseMI	+	-

Security technologies

Ryzen 7 1800X and Core Ultra 5 245KF technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 1800X and Core Ultra 5 245KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 1800X and Core Ultra 5 245KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 1800X and Core Ultra 5 245KF.

PCIe version	n/a	5.0
PCI Express lanes	20	20

Synthetic benchmark performance

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

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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.

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Pros & cons summary

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Performance score	10.30	27.54
Recency	2 March 2017	24 October 2024
Physical cores	8	14
Threads	16	14
Chip lithography	14 nm	3 nm
Power consumption (TDP)	95 Watt	125 Watt

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Should you still have questions on choice between Ryzen 7 1800X and Core Ultra 5 245KF, ask them in Comments section, and we shall answer.

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