Intel Pentium Gold G6405 vs Intel Celeron N2840

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CPU comparison with benchmarks


Intel Pentium Gold G6405 CPU1 vs CPU2 Intel Celeron N2840
Intel Pentium Gold G6405 Intel Celeron N2840

CPU comparison

Intel Pentium Gold G6405 or Intel Celeron N2840 - 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 Pentium Gold G6405 has 2 cores with 4 threads and clocks with a maximum frequency of 4.10 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Pentium Gold G6405 was released in Q1/2021.

The Intel Celeron N2840 has 2 cores with 2 threads and clocks with a maximum frequency of 2.58 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Celeron N2840 was released in Q2/2014.
Intel Pentium (150) Family Intel Celeron (165)
Intel Pentium G6000 (12) CPU group Intel Celeron J1000/N2000 (17)
10 Generation 6
Comet Lake S Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Pentium Gold G6405 is a 2 core processor with a clock frequency of 4.10 GHz. The Intel Celeron N2840 has 2 CPU cores with a clock frequency of 2.16 GHz (2.58 GHz).

Intel Pentium Gold G6405 Characteristic Intel Celeron N2840
2 Cores 2
4 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
4.10 GHz Frequency 2.16 GHz
-- Turbo Frequency (1 Core) 2.58 GHz
-- Turbo Frequency (All Cores) 2.58 GHz

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 Pentium Gold G6405 Characteristic Intel Celeron N2840
-- 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 HD Graphics 610 GPU Intel HD Graphics (Bay Trail GT1)
0.35 GHz GPU frequency 0.31 GHz
1.05 GHz GPU (Turbo) 0.79 GHz
9.5 GPU Generation 7
14 nm Technology 22 nm
3 Max. displays 2
12 Compute units 4
96 Shader 32
No Hardware Raytracing No
No Frame Generation No
32 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 HD Graphics 610 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
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

The Intel Pentium Gold G6405 supports a maximum of 128 GB of memory in 2 memory channels. The Intel Celeron N2840 can connect up to 8 GB of memory in 2 memory channels.

Intel Pentium Gold G6405 Characteristic Intel Celeron N2840
DDR4-2666 Memory DDR3-1333
128 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
42.7 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
-- L2 Cache --
4.00 MB L3 Cache 1.00 MB
3.0 PCIe version 2.0
16 PCIe lanes 4
15.8 GB/s PCIe Bandwidth 2.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Pentium Gold G6405 has a TDP of 58 W, that of the Intel Celeron N2840 is 7.5 W.

Intel Pentium Gold G6405 Characteristic Intel Celeron N2840
58 W TDP (PL1 / PBP) 7.5 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 4.5 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Pentium Gold G6405 has a 4.00 MB cache, while the Intel Celeron N2840 cache has a total of 1.00 MB.

Intel Pentium Gold G6405 Characteristic Intel Celeron N2840
14 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
LGA 1200 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
Q1/2021 Release date Q2/2014
77 $ Release price 107 $
show more data show more data


Rate these processors

Here you can rate the Intel Pentium Gold G6405 to help other visitors make their purchasing decisions. The average rating is 2.0 stars (2 ratings). Rate now:
Here you can rate the Intel Celeron N2840 to help other visitors make their purchasing decisions. The average rating is 1.0 stars (2 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Pentium Gold G6405 (100%)
Intel Celeron N2840 (23%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Pentium Gold G6405 (100%)
Intel Celeron N2840 (17%)

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 Pentium Gold G6405 Intel Pentium Gold G6405
2C 4T @ 4.10 GHz
1060 (100%)
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
251 (24%)

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 Pentium Gold G6405 Intel Pentium Gold G6405
2C 4T @ 4.10 GHz
2286 (100%)
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
460 (20%)

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 Pentium Gold G6405 Intel Pentium Gold G6405
2C 4T @ 4.10 GHz
890 (100%)
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
194 (22%)

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 Pentium Gold G6405 Intel Pentium Gold G6405
2C 4T @ 4.10 GHz
1890 (100%)
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
335 (18%)

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 Pentium Gold G6405 Intel Pentium Gold G6405
Intel HD Graphics 610 @ 1.05 GHz
202 (100%)
Intel Celeron N2840 Intel Celeron N2840
Intel HD Graphics (Bay Trail GT1) @ 0.79 GHz
51 (25%)

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 Pentium Gold G6405 Intel Pentium Gold G6405
2C 4T @ 4.10 GHz
4270 (100%)
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
584 (14%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Pentium Gold G6405 Intel Pentium Gold G6405
2C 4T @ 4.10 GHz
0 (0%)
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.16 GHz
184 (100%)

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 Pentium Gold G6405 Intel Pentium Gold G6405
2C 4T @ 4.10 GHz
0 (0%)
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
42 (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 Pentium Gold G6405 Intel Pentium Gold G6405
2C 4T @ 4.10 GHz
0 (0%)
Intel Celeron N2840 Intel Celeron N2840
2C 2T @ 2.58 GHz
81 (100%)

Devices using this processor

Intel Pentium Gold G6405 Intel Celeron N2840
Unknown Unknown

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