i9-12900KS vs i5-5675C

Primary details

Comparing Core i5-5675C and Core i9-12900KS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1520	172
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Desktop processor
Series	Intel Core i5	no data
Power efficiency	5.14	17.49
Architecture codename	Broadwell (2015−2019)	Alder Lake-S (2022)
Release date	15 April 2015 (9 years ago)	5 April 2022 (2 years ago)

Detailed specifications

Core i5-5675C and Core i9-12900KS 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	4 (Quad-Core)	16 (Hexadeca-Core)
Threads	4	24
Base clock speed	3.1 GHz	3.4 GHz
Boost clock speed	3.6 GHz	5.3 GHz
Bus type	DMI 2.0	no data
Bus rate	5 GT/s	no data
Multiplier	31	no data
L1 cache	256K (per core)	80K (per core)
L2 cache	1 MB (per core)	1.25 MB (per core)
L3 cache	4 MB (shared)	30 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	133 mm2	215 mm2
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	72 °C	72 °C
Number of transistors	0 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	+	+

Compatibility

Information on Core i5-5675C and Core i9-12900KS 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	FCLGA1150	FCLGA1700
Power consumption (TDP)	65 Watt	150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-5675C and Core i9-12900KS. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
eDRAM	128 MB	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	no data	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Deep Learning Boost	-	+

Security technologies

Core i5-5675C and Core i9-12900KS technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-5675C and Core i9-12900KS are enumerated here.

VT-d	+	+
VT-x	+	+
VT-i	-	no data
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-5675C and Core i9-12900KS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR5-4800, DDR4-3200
Maximum memory size	32 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	76.8 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel Iris Pro Graphics 6200	Intel UHD Graphics 770
Max video memory	32 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	+
Graphics max frequency	1.1 GHz	1.55 GHz
Execution Units	no data	32
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-5675C and Core i9-12900KS integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Core i5-5675C and Core i9-12900KS integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096x2304@24Hz	4096 x 2160 @ 60Hz
Max resolution over eDP	3840x2160@60Hz	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	3840x2160@60Hz	7680 x 4320 @ 60Hz
Max resolution over VGA	1920x1200@60Hz	no data

Graphics API support

APIs supported by Core i5-5675C and Core i9-12900KS integrated GPUs, sometimes API versions are included.

DirectX	11.2	12
OpenGL	4.3	4.5

Peripherals

Specifications and connection of peripherals supported by Core i5-5675C and Core i9-12900KS.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	16	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	3.60	28.24
Integrated graphics card	3.95	6.15
Recency	15 April 2015	5 April 2022
Physical cores	4	16
Threads	4	24
Power consumption (TDP)	65 Watt	150 Watt

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Should you still have questions on choice between Core i5-5675C and Core i9-12900KS, ask them in Comments section, and we shall answer.

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