i9-12900T vs i9-11980HK

Place in the ranking	502	310
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Tiger Lake	no data
Power efficiency	20.85	51.16
Architecture codename	Tiger Lake-HK (2021)	Alder Lake-S (2022)
Release date	11 May 2021 (3 years ago)	4 January 2022 (2 years ago)

Detailed specifications

Core i9-11980HK and Core i9-12900T 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)	16 (Hexadeca-Core)
Threads	16	24
Base clock speed	2.6 GHz	1.4 GHz
Boost clock speed	5 GHz	4.9 GHz
Bus rate	8 GT/s	no data
L1 cache	96K (per core)	80K (per core)
L2 cache	1.25 MB (per core)	1.25 MB (per core)
L3 cache	24 MB (shared)	30 MB (shared)
Chip lithography	10 nm SuperFin	Intel 7 nm
Die size	no data	215 mm²
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	+

Compatibility

Information on Core i9-11980HK and Core i9-12900T 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	FCBGA1787	FCLGA1700
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11980HK and Core i9-12900T. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	-
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	-	+
Turbo Boost Max 3.0	+	+
Deep Learning Boost	+	+

Security technologies

Core i9-11980HK and Core i9-12900T technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+
Secure Key	+	+
SGX	-	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11980HK and Core i9-12900T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11980HK and Core i9-12900T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-4800, DDR4-3200
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	51.2 GB/s	76.8 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics for 11th Gen Intel Processors	Intel UHD Graphics 770
Quick Sync Video	+	+
Clear Video HD	no data	+
Graphics max frequency	1.45 GHz	1.55 GHz
Execution Units	32	32

Graphics interfaces

Available interfaces and connections of Core i9-11980HK and Core i9-12900T integrated GPUs.

Number of displays supported

Graphics image quality

Maximum display resolutions supported by Core i9-11980HK and Core i9-12900T integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	4096x2304@60Hz	4096 x 2160 @ 60Hz
Max resolution over eDP	4096x2304@60Hz	5120 x 3200 @ 120Hz
Max resolution over DisplayPort	7680x4320@60Hz	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i9-11980HK and Core i9-12900T integrated GPUs, sometimes API versions are included.

DirectX	12.1	12
OpenGL	4.6	4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-11980HK and Core i9-12900T.

PCIe version	4.0	5.0 and 4.0
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.

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.

i9-11980HK 14.32

i9-12900T 18.92
+32.1%

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.

i9-11980HK 22743

i9-12900T 30056
+32.2%

Gaming performance

Pros & cons summary

Performance score	14.32	18.92
Integrated graphics card	5.58	6.15
Recency	11 May 2021	4 January 2022
Physical cores	8	16
Threads	16	24
Power consumption (TDP)	65 Watt	35 Watt

i9-12900T has a 32.1% higher aggregate performance score, 10.2% faster integrated GPU, an age advantage of 7 months, 100% more physical cores and 50% more threads, and 85.7% lower power consumption.

The Core i9-12900T is our recommended choice as it beats the Core i9-11980HK in performance tests.

Be aware that Core i9-11980HK is a notebook processor while Core i9-12900T is a desktop one.

Should you still have questions on choice between Core i9-11980HK and Core i9-12900T, ask them in Comments section, and we shall answer.