Intel Core i9-12900HX vs Intel Celeron N2808

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CPU comparison with benchmarks


Intel Core i9-12900HX CPU1 vs CPU2 Intel Celeron N2808
Intel Core i9-12900HX Intel Celeron N2808

CPU comparison

In this CPU comparison, we compare the Intel Core i9-12900HX and the Intel Celeron N2808 and use benchmarks to check which processor is faster.

We compare the Intel Core i9-12900HX 16 core processor released in Q2/2022 with the Intel Celeron N2808 which has 2 CPU cores and was introduced in Q2/2014.
Intel Core i9 (78) Family Intel Celeron (165)
Intel Core i 12000H (23) CPU group Intel Celeron J1000/N2000 (17)
12 Generation 6
Alder Lake H Architecture Bay Trail
Mobile Segment Mobile
-- Predecessor --
Intel Core i9-13900HX Successor --

CPU Cores and Base Frequency

The Intel Core i9-12900HX is a 16 core processor with a clock frequency of 2.30 GHz (5.00 GHz). The processor can compute 24 threads at the same time. The Intel Celeron N2808 clocks with 1.58 GHz (2.25 GHz), has 2 CPU cores and can calculate 2 threads in parallel.

Intel Core i9-12900HX Characteristic Intel Celeron N2808
16 Cores 2
24 Threads 2
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading No
Yes Overclocking ? No
2.30 GHz (5.00 GHz)
8x Golden Cove
A-Core 1.58 GHz (2.25 GHz)
1.70 GHz (3.60 GHz)
8x Gracemont
B-Core --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core i9-12900HX Characteristic Intel Celeron N2808
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel UHD Graphics 770 GPU Intel HD Graphics (Bay Trail GT1)
0.30 GHz GPU frequency 0.31 GHz
1.55 GHz GPU (Turbo) 0.79 GHz
11 GPU Generation 7
10 nm Technology 22 nm
3 Max. displays 2
32 Compute units 4
256 Shader 32
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory 2 GB
12 DirectX Version 11.2

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 Intel HD Graphics (Bay Trail GT1)
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-12900HX, while the Intel Celeron N2808 supports a maximum of 4 GB of memory with a maximum memory bandwidth of 10.7 GB/s enabled.

Intel Core i9-12900HX Characteristic Intel Celeron N2808
LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200 Memory DDR3-1333
128 GB Max. Memory 4 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
83.2 GB/s Max. Bandwidth 10.7 GB/s
No ECC No
14.00 MB L2 Cache --
30.00 MB L3 Cache 1.00 MB
5.0 PCIe version 2.0
20 PCIe lanes 4
78.8 GB/s PCIe Bandwidth 2.0 GB/s

Thermal Management

The Intel Core i9-12900HX has a TDP of 55 W. The TDP of the Intel Celeron N2808 is 4.5 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i9-12900HX Characteristic Intel Celeron N2808
55 W TDP (PL1 / PBP) 4.5 W
157 W TDP (PL2) --
86 W TDP up --
45 W TDP down 3 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i9-12900HX has 44.00 MB cache and is manufactured in 10 nm. The cache of Intel Celeron N2808 is at 1.00 MB. The processor is manufactured in 22 nm.

Intel Core i9-12900HX Characteristic Intel Celeron N2808
10 nm Technology 22 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
BGA 1744 Socket BGA 1170
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2022 Release date Q2/2014
606 $ Release price --
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Rate these processors

Here you can rate the Intel Core i9-12900HX to help other visitors make their purchasing decisions. The average rating is 4.5 stars (2 ratings). Rate now:
Here you can rate the Intel Celeron N2808 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Intel Core i9-12900HX (100%)
Intel Celeron N2808 (11%)
⌀ Multi core performance in 4 CPU benchmarks
Intel Core i9-12900HX (100%)
Intel Celeron N2808 (2%)

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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 5.00 GHz
1861 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
223 (12%)

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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 2.30 GHz
15474 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
415 (3%)

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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 5.00 GHz
2425 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
181 (7%)

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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 2.30 GHz
14620 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
311 (2%)

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 i9-12900HX Intel Core i9-12900HX
Intel UHD Graphics 770 @ 1.55 GHz
794 (100%)
Intel Celeron N2808 Intel Celeron N2808
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz
51 (6%)

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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 2.30 GHz
35642 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
520 (1%)

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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 5.00 GHz
274 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
36 (13%)

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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 2.30 GHz
2894 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
70 (2%)

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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 5.00 GHz
1902 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
0 (0%)

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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 2.30 GHz
18845 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 5.00 GHz
736 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 i9-12900HX Intel Core i9-12900HX
16C 24T @ 2.30 GHz
7197 (100%)
Intel Celeron N2808 Intel Celeron N2808
2C 2T @ 2.25 GHz
0 (0%)

Devices using this processor

Intel Core i9-12900HX Intel Celeron N2808
Unknown Unknown

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