i9-12900K vs Celeron 787

Primary details

Comparing Celeron 787 and Core i9-12900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	184
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	36.08
Market segment	Laptop	Desktop processor
Series	Intel Celeron	Intel Core i9
Power efficiency	no data	19.77
Architecture codename	Sandy Bridge (2011−2013)	Alder Lake, Golden Cove, Gracemont (2021)
Release date	1 July 2011 (13 years ago)	27 October 2021 (3 years ago)
Launch price (MSRP)	$107	$589

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron 787 and Core i9-12900K 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	1 (Single-Core)	16 (Hexadeca-Core)
Threads	1	24
Base clock speed	1.3 GHz	3.2 GHz
Boost clock speed	1.3 GHz	5.2 GHz
Bus type	DMI 2.0	DMI 4.0
Bus rate	4 × 5 GT/s	8 × 16 GT/s
Multiplier	13	32
L1 cache	64 KB (per core)	768 KB
L2 cache	256 KB (per core)	4 MB
L3 cache	1.5 MB (shared)	6 MB
Chip lithography	32 nm	10 nm
Die size	131 mm2	215.25 mm2"
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Celeron 787 and Core i9-12900K 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	FCBGA1023	FCLGA1700
Power consumption (TDP)	17 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 787 and Core i9-12900K. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	-	+
FMA	+	-
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	-	+
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Celeron 787 and Core i9-12900K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 787 and Core i9-12900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 787 and Core i9-12900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4, DDR5
Maximum memory size	16 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	76.805 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel UHD Graphics 770
Quick Sync Video	-	+
Clear Video HD	-	+
Graphics max frequency	950 MHz	1.55 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Celeron 787 and Core i9-12900K integrated GPUs.

Number of displays supported	2	4
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
SDVO	+	no data
CRT	+	no data

Graphics image quality

Maximum display resolutions supported by Celeron 787 and Core i9-12900K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2160 @ 60Hz
Max resolution over eDP	no data	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Celeron 787 and Core i9-12900K integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Celeron 787 and Core i9-12900K.

PCIe version	2.0	5.0 and 4.0
PCI Express lanes	16	20

Pros & cons summary

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Recency	1 July 2011	27 October 2021
Physical cores	1	16
Threads	1	24
Chip lithography	32 nm	10 nm
Power consumption (TDP)	17 Watt	125 Watt

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