Intel Celeron 6305 vs Intel Pentium 4405U

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CPU comparison with benchmarks


Intel Celeron 6305 CPU1 vs CPU2 Intel Pentium 4405U
Intel Celeron 6305 Intel Pentium 4405U

CPU comparison

Intel Celeron 6305 or Intel Pentium 4405U - 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 Celeron 6305 has 2 cores with 2 threads and clocks with a maximum frequency of 1.80 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Celeron 6305 was released in Q4/2020.

The Intel Pentium 4405U has 2 cores with 4 threads and clocks with a maximum frequency of 2.10 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Pentium 4405U was released in Q3/2015.
Intel Celeron (165) Family Intel Pentium (150)
Intel Celeron 6000 (2) CPU group Intel Pentium 4000 (2)
11 Generation 6
Tiger Lake U Architecture Skylake U
Mobile Segment Mobile
-- Predecessor --
Intel Celeron 7305 Successor --

CPU Cores and Base Frequency

The Intel Celeron 6305 is a 2 core processor with a clock frequency of 1.80 GHz (1.80 GHz). The Intel Pentium 4405U has 2 CPU cores with a clock frequency of 2.10 GHz.

Intel Celeron 6305 Characteristic Intel Pentium 4405U
2 Cores 2
2 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.80 GHz Frequency 2.10 GHz
1.80 GHz Turbo Frequency (1 Core) --
1.80 GHz Turbo Frequency (All Cores) --

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 Celeron 6305 Characteristic Intel Pentium 4405U
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 (Tiger Lake G4) GPU Intel HD Graphics 510
0.30 GHz GPU frequency 0.30 GHz
1.25 GHz GPU (Turbo) 0.95 GHz
11 GPU Generation 9
10 nm Technology 14 nm
4 Max. displays 3
48 Compute units 12
384 Shader 96
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 32 GB
12 DirectX Version 12.0

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 (Tiger Lake G4) GPU Intel HD Graphics 510
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode
Decode Codec VP8 Decode / Encode
Decode Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

The Intel Celeron 6305 supports a maximum of 64 GB of memory in 2 memory channels. The Intel Pentium 4405U can connect up to 32 GB of memory in 2 memory channels.

Intel Celeron 6305 Characteristic Intel Pentium 4405U
LPDDR4-3733, DDR4-3200 Memory DDR4-2133
64 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 34.1 GB/s
No ECC No
-- L2 Cache --
4.00 MB L3 Cache 2.00 MB
3.0 PCIe version 2.0
16 PCIe lanes 10
15.8 GB/s PCIe Bandwidth 5.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Celeron 6305 has a TDP of 15 W, that of the Intel Pentium 4405U is 15 W.

Intel Celeron 6305 Characteristic Intel Pentium 4405U
15 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Celeron 6305 has a 4.00 MB cache, while the Intel Pentium 4405U cache has a total of 2.00 MB.

Intel Celeron 6305 Characteristic Intel Pentium 4405U
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 ISA extensions SSE4.1, SSE4.2
BGA 1449 Socket BGA 1356
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q4/2020 Release date Q3/2015
128 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Celeron 6305 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the Intel Pentium 4405U to help other visitors make their purchasing decisions. The average rating is 2.0 stars (5 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Celeron 6305 (100%)
Intel Pentium 4405U (68%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Celeron 6305 (98%)
Intel Pentium 4405U (89%)

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 Celeron 6305 Intel Celeron 6305
2C 2T @ 1.80 GHz
636 (100%)
Intel Pentium 4405U Intel Pentium 4405U
2C 4T @ 2.10 GHz
492 (77%)

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 Celeron 6305 Intel Celeron 6305
2C 2T @ 1.80 GHz
1184 (96%)
Intel Pentium 4405U Intel Pentium 4405U
2C 4T @ 2.10 GHz
1236 (100%)

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 Celeron 6305 Intel Celeron 6305
2C 2T @ 1.80 GHz
768 (100%)
Intel Pentium 4405U Intel Pentium 4405U
2C 4T @ 2.10 GHz
445 (58%)

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 Celeron 6305 Intel Celeron 6305
2C 2T @ 1.80 GHz
1455 (100%)
Intel Pentium 4405U Intel Pentium 4405U
2C 4T @ 2.10 GHz
972 (67%)

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 Celeron 6305 Intel Celeron 6305
Intel UHD Graphics (Tiger Lake G4) @ 1.25 GHz
960 (100%)
Intel Pentium 4405U Intel Pentium 4405U
Intel HD Graphics 510 @ 0.95 GHz
182 (19%)

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 Celeron 6305 Intel Celeron 6305
2C 2T @ 1.80 GHz
2062 (98%)
Intel Pentium 4405U Intel Pentium 4405U
2C 4T @ 2.10 GHz
2100 (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 Celeron 6305 Intel Celeron 6305
2C 2T @ 1.80 GHz
0 (0%)
Intel Pentium 4405U Intel Pentium 4405U
2C 4T @ 2.10 GHz
89 (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 Celeron 6305 Intel Celeron 6305
2C 2T @ 1.80 GHz
0 (0%)
Intel Pentium 4405U Intel Pentium 4405U
2C 4T @ 2.10 GHz
227 (100%)

Devices using this processor

Intel Celeron 6305 Intel Pentium 4405U
Unknown Unknown

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