i7-12700K vs i3-11100B

Place in the ranking	987	239
Place by popularity	not in top-100	57
Cost-effectiveness evaluation	no data	40.06
Market segment	Laptop	Desktop processor
Series	no data	Intel Core i7
Power efficiency	10.41	16.49
Architecture codename	no data	Alder Lake, Golden Cove, Gracemont (2021)
Release date	1 April 2021 (3 years ago)	4 November 2021 (3 years ago)
Launch price (MSRP)	no data	$409

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-11100B and Core i7-12700K 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)	12 (Dodeca-Core)
Threads	8	20
Base clock speed	3.6 GHz	3.6 GHz
Boost clock speed	4.4 GHz	5 GHz
Bus type	no data	DMI 4.0
Bus rate	8 GT/s	8 × 16 GT/s
Multiplier	no data	36
L1 cache	no data	80K (per core)
L2 cache	no data	1.25 MB (per core)
L3 cache	12 MB	25 MB (shared)
Chip lithography	10 nm SuperFin	10 nm
Die size	no data	215.25 mm²
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Core i3-11100B and Core i7-12700K 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	no data	FCLGA1700
Power consumption (TDP)	65 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-11100B and Core i7-12700K. 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	+	+
FMA	-	+
AVX	-	+
vPro	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	+
Turbo Boost Max 3.0	+	+
Deep Learning Boost	+	+

Security technologies

Core i3-11100B and Core i7-12700K technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	+
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-11100B and Core i7-12700K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-11100B and Core i7-12700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	Up to 3200 MT/s	DDR4, DDR5
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	45.8 GB/s	76.805 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 11th Gen Intel® Processors	Intel UHD Graphics 770
Quick Sync Video	+	+
Clear Video HD	no data	+
Graphics max frequency	1.4 GHz	1.5 GHz
Execution Units	16	32

Graphics interfaces

Available interfaces and connections of Core i3-11100B and Core i7-12700K integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i3-11100B and Core i7-12700K integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2304@30Hz	4096 x 2160 @ 60Hz
Max resolution over eDP	4096 x 2304@60Hz	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	4096 x 2304@60Hz	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i3-11100B and Core i7-12700K integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Core i3-11100B and Core i7-12700K.

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.

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.

i3-11100B 7.15

i7-12700K 21.78
+205%

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.

i3-11100B 11357

i7-12700K 34594
+205%

Gaming performance

Pros & cons summary

Performance score	7.15	21.78
Recency	1 April 2021	4 November 2021
Physical cores	4	12
Threads	8	20
Power consumption (TDP)	65 Watt	125 Watt

i3-11100B has 92.3% lower power consumption.

i7-12700K, on the other hand, has a 204.6% higher aggregate performance score, an age advantage of 7 months, and 200% more physical cores and 150% more threads.

The Core i7-12700K is our recommended choice as it beats the Core i3-11100B in performance tests.

Be aware that Core i3-11100B is a notebook processor while Core i7-12700K is a desktop one.

Should you still have questions on choice between Core i3-11100B and Core i7-12700K, ask them in Comments section, and we shall answer.