AMD Ryzen 5 7645HX vs Intel Celeron 4305UE

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CPU comparison with benchmarks


AMD Ryzen 5 7645HX CPU1 vs CPU2 Intel Celeron 4305UE
AMD Ryzen 5 7645HX Intel Celeron 4305UE

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 5 7645HX and the Intel Celeron 4305UE and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 5 7645HX 6 core processor released in Q1/2023 with the Intel Celeron 4305UE which has 2 CPU cores and was introduced in Q2/2019.
AMD Ryzen 5 (85) Family Intel Celeron (165)
AMD Ryzen 7045 (6) CPU group Intel Celeron 4000 (3)
6 Generation 8
Dragon Range (Zen 4) Architecture Whiskey Lake U
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 7645HX is a 6 core processor with a clock frequency of 4.00 GHz (5.00 GHz). The processor can compute 12 threads at the same time. The Intel Celeron 4305UE clocks with 2.00 GHz, has 2 CPU cores and can calculate 2 threads in parallel.

AMD Ryzen 5 7645HX Characteristic Intel Celeron 4305UE
6 Cores 2
12 Threads 2
normal Core architecture normal
Yes Hyperthreading No
Yes Overclocking ? No
4.00 GHz Frequency 2.00 GHz
5.00 GHz Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

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.

AMD Ryzen 5 7645HX Characteristic Intel Celeron 4305UE
-- AI hardware --
-- AI specifications --

Internal Graphics

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.

AMD Radeon 610M GPU Intel UHD Graphics 610
0.40 GHz GPU frequency 0.30 GHz
2.20 GHz GPU (Turbo) 0.90 GHz
9 GPU Generation 9.5
6 nm Technology 14 nm
3 Max. displays 3
2 Compute units 12
128 Shader 96
Yes Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 32 GB
12 DirectX Version 12

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.

AMD Radeon 610M GPU Intel UHD Graphics 610
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
Decode Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 5 7645HX, while the Intel Celeron 4305UE supports a maximum of 64 GB of memory with a maximum memory bandwidth of 34.1 GB/s enabled.

AMD Ryzen 5 7645HX Characteristic Intel Celeron 4305UE
DDR5-5200 Memory LPDDR3-1866, DDR4-2133
128 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
83.2 GB/s Max. Bandwidth 34.1 GB/s
Yes ECC No
6.00 MB L2 Cache --
32.00 MB L3 Cache 2.00 MB
5.0 PCIe version 3.0
28 PCIe lanes 16
110.3 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The AMD Ryzen 5 7645HX has a TDP of 55 W. The TDP of the Intel Celeron 4305UE is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 5 7645HX Characteristic Intel Celeron 4305UE
55 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
75 W TDP up --
45 W TDP down 12.5 W
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 5 7645HX has 38.00 MB cache and is manufactured in 5 nm. The cache of Intel Celeron 4305UE is at 2.00 MB. The processor is manufactured in 14 nm.

AMD Ryzen 5 7645HX Characteristic Intel Celeron 4305UE
5 nm Technology 14 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4.1, SSE4.2, AVX2
FL1 Socket BGA 1528
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2023 Release date Q2/2019
-- Release price 107 $
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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.
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
AMD Radeon 610M @ 2.20 GHz
443 (100%)
Intel Celeron 4305UE Intel Celeron 4305UE
Intel UHD Graphics 610 @ 0.90 GHz
173 (39%)

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.
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
6C 12T @ 5.00 GHz
1802 (100%)
Intel Celeron 4305UE Intel Celeron 4305UE
2C 2T @ 2.00 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.
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
6C 12T @ 4.00 GHz
13824 (100%)
Intel Celeron 4305UE Intel Celeron 4305UE
2C 2T @ 2.00 GHz
0 (0%)

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.
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
6C 12T @ 5.00 GHz
0 (0%)
Intel Celeron 4305UE Intel Celeron 4305UE
2C 2T @ 2.00 GHz
561 (100%)

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.
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
6C 12T @ 4.00 GHz
0 (0%)
Intel Celeron 4305UE Intel Celeron 4305UE
2C 2T @ 2.00 GHz
1065 (100%)

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.
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
6C 12T @ 4.00 GHz
0 (0%)
Intel Celeron 4305UE Intel Celeron 4305UE
2C 2T @ 2.00 GHz
1702 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 5 7645HX AMD Ryzen 5 7645HX
13,824 CB R23 MC @ 51 W
270 (100%)
Intel Celeron 4305UE Intel Celeron 4305UE
2.00 GHz
0 (0%)

Devices using this processor

AMD Ryzen 5 7645HX Intel Celeron 4305UE
Unknown Unknown

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