Ultra 9 285K vs Celeron 2957U

Place in the ranking	2838	50
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	70.87
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Power efficiency	3.41	32.78
Architecture codename	Haswell (2013−2015)	Arrow Lake-S (2024−2025)
Release date	1 January 2014 (10 years ago)	24 October 2024 (less than a year ago)
Launch price (MSRP)	$107	$589

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Celeron 2957U and Core Ultra 9 285K 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)	24 (Tetracosa-Core)
Threads	2	24
Base clock speed	1.4 GHz	3.7 GHz
Boost clock speed	1.4 GHz	5.7 GHz
Bus rate	5 GT/s	250 MHz
L1 cache	128 KB	112 KB (per core)
L2 cache	512 KB	3 MB (per core)
L3 cache	2 MB	36 MB (shared)
Chip lithography	22 nm	3 nm
Die size	no data	243 mm²
Maximum core temperature	100 °C	no data
Number of transistors	no data	17,800 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Celeron 2957U and Core Ultra 9 285K 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	FCBGA1168	1851
Power consumption (TDP)	15 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2957U and Core Ultra 9 285K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	-	no data
GPIO	+	no data
Smart Connect	+	no data
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
HD Audio	+	no data
RST	+	no data

Security technologies

Celeron 2957U and Core Ultra 9 285K technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
Secure Key	+	no data
OS Guard	-	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2957U and Core Ultra 9 285K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2957U and Core Ultra 9 285K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5 Depends on motherboard
Maximum memory size	16 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 for 4th Generation Intel Processors	Arc Xe-LPG Graphics 64EU
Quick Sync Video	+	-
Clear Video	+	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron 2957U and Core Ultra 9 285K integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Celeron 2957U and Core Ultra 9 285K.

PCIe version	2.0	5.0
PCI Express lanes	10	20
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
Integrated LAN	-	no data
UART	+	no data

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.

Celeron 2957U 0.54

Ultra 9 285K 43.30
+7919%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Celeron 2957U 855

Ultra 9 285K 68775
+7944%

Gaming performance

Pros & cons summary

Performance score	0.54	43.30
Recency	1 January 2014	24 October 2024
Physical cores	2	24
Threads	2	24
Chip lithography	22 nm	3 nm
Power consumption (TDP)	15 Watt	125 Watt

Celeron 2957U has 733.3% lower power consumption.

Ultra 9 285K, on the other hand, has a 7918.5% higher aggregate performance score, an age advantage of 10 years, 1100% more physical cores and 1100% more threads, and a 633.3% more advanced lithography process.

The Core Ultra 9 285K is our recommended choice as it beats the Celeron 2957U in performance tests.

Be aware that Celeron 2957U is a notebook processor while Core Ultra 9 285K is a desktop one.

Should you still have questions on choice between Celeron 2957U and Core Ultra 9 285K, ask them in Comments section, and we shall answer.