Intel Core i9-12900T vs Intel Core i9-10940X

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CPU comparison with benchmarks


Intel Core i9-12900T CPU1 vs CPU2 Intel Core i9-10940X
Intel Core i9-12900T Intel Core i9-10940X

CPU comparison

Intel Core i9-12900T or Intel Core i9-10940X - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i9-12900T has 16 cores with 24 threads and clocks with a maximum frequency of 4.90 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i9-12900T was released in Q1/2022.

The Intel Core i9-10940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.80 GHz. The CPU supports up to 256 GB of memory in 4 memory channels. The Intel Core i9-10940X was released in Q4/2019.
Intel Core i9 (78) Family Intel Core i9 (78)
Intel Core i 12000 (34) CPU group Intel Core i 10000X (4)
12 Generation 10
Alder Lake S Architecture Cascade Lake
Desktop / Server Segment Desktop / Server
Intel Core i9-11900T Predecessor --
Intel Core i9-13900T Successor --

CPU Cores and Base Frequency

The Intel Core i9-12900T is a 16 core processor with a clock frequency of 1.40 GHz (4.90 GHz). The Intel Core i9-10940X has 14 CPU cores with a clock frequency of 3.30 GHz (4.80 GHz).

Intel Core i9-12900T Characteristic Intel Core i9-10940X
16 Cores 14
24 Threads 28
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
1.40 GHz (4.90 GHz)
8x Golden Cove
A-Core 3.30 GHz (4.80 GHz)
1.00 GHz (3.60 GHz)
8x Gracemont
B-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i9-12900T Characteristic Intel Core i9-10940X
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel UHD Graphics 770 GPU no iGPU
0.30 GHz GPU frequency --
1.55 GHz GPU (Turbo) --
11 GPU Generation --
10 nm Technology
3 Max. displays
32 Compute units --
256 Shader --
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12 DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel UHD Graphics 770 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i9-12900T supports a maximum of 128 GB of memory in 2 memory channels. The Intel Core i9-10940X can connect up to 256 GB of memory in 4 memory channels.

Intel Core i9-12900T Characteristic Intel Core i9-10940X
DDR5-4800, DDR4-3200 Memory DDR4-2933
128 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
76.8 GB/s Max. Bandwidth 93.8 GB/s
Yes ECC No
14.00 MB L2 Cache --
30.00 MB L3 Cache 19.00 MB
5.0 PCIe version 3.0
20 PCIe lanes 48
78.8 GB/s PCIe Bandwidth 47.3 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-12900T has a TDP of 35 W, that of the Intel Core i9-10940X is 165 W.

Intel Core i9-12900T Characteristic Intel Core i9-10940X
35 W TDP (PL1 / PBP) 165 W
106 W TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. 86 °C

Technical details

The Intel Core i9-12900T has a 44.00 MB cache, while the Intel Core i9-10940X cache has a total of 19.00 MB.

Intel Core i9-12900T Characteristic Intel Core i9-10940X
10 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
LGA 1700 Socket LGA 2066
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2022 Release date Q4/2019
489 $ Release price 784 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 4 CPU benchmarks

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-12900T Intel Core i9-12900T
16C 24T @ 4.90 GHz
1865 (100%)
Intel Core i9-10940X Intel Core i9-10940X
14C 28T @ 4.80 GHz
1263 (68%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-12900T Intel Core i9-12900T
16C 24T @ 3.40 GHz
22804 (100%)
Intel Core i9-10940X Intel Core i9-10940X
14C 28T @ 4.20 GHz
21309 (93%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-12900T Intel Core i9-12900T
16C 24T @ 4.90 GHz
1878 (100%)
Intel Core i9-10940X Intel Core i9-10940X
14C 28T @ 4.80 GHz
1211 (64%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-12900T Intel Core i9-12900T
16C 24T @ 3.40 GHz
15450 (100%)
Intel Core i9-10940X Intel Core i9-10940X
14C 28T @ 4.20 GHz
13831 (90%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i9-12900T Intel Core i9-12900T
16C 24T @ 4.90 GHz
2499 (100%)
Intel Core i9-10940X Intel Core i9-10940X
14C 28T @ 4.80 GHz
1568 (63%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i9-12900T Intel Core i9-12900T
16C 24T @ 3.40 GHz
13240 (100%)
Intel Core i9-10940X Intel Core i9-10940X
14C 28T @ 4.20 GHz
11762 (89%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i9-12900T Intel Core i9-12900T
16C 24T @ 3.40 GHz
31415 (100%)
Intel Core i9-10940X Intel Core i9-10940X
14C 28T @ 4.20 GHz
28029 (89%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i9-12900T Intel Core i9-12900T
Intel UHD Graphics 770 @ 1.55 GHz
794 (100%)
Intel Core i9-10940X Intel Core i9-10940X
@ 0.00 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-12900T Intel Core i9-12900T
16C 24T @ 4.90 GHz
0 (0%)
Intel Core i9-10940X Intel Core i9-10940X
14C 28T @ 4.80 GHz
201 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-12900T Intel Core i9-12900T
16C 24T @ 3.40 GHz
0 (0%)
Intel Core i9-10940X Intel Core i9-10940X
14C 28T @ 4.20 GHz
3117 (100%)

Devices using this processor

Intel Core i9-12900T Intel Core i9-10940X
Unknown Unknown

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