AMD Ryzen 5 8540U vs Intel Celeron G1820T

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CPU comparison with benchmarks


AMD Ryzen 5 8540U CPU1 vs CPU2 Intel Celeron G1820T
AMD Ryzen 5 8540U Intel Celeron G1820T

CPU comparison

AMD Ryzen 5 8540U or Intel Celeron G1820T - 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 AMD Ryzen 5 8540U has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 8540U was released in Q1/2024.

The Intel Celeron G1820T has 2 cores with 2 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Celeron G1820T was released in Q1/2014.
AMD Ryzen 5 (86) Family Intel Celeron (165)
AMD Ryzen 8040 (20) CPU group Intel Celeron G1000 (12)
7 Generation 3
Hawk Point (Zen 4) Architecture Ivy Bridge S
Mobile Segment Desktop / Server
AMD Ryzen 5 7540U Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 8540U has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the AMD Ryzen 5 8540U is 3.20 GHz (4.90 GHz) while the Intel Celeron G1820T has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Celeron G1820T is at 2.40 GHz.

AMD Ryzen 5 8540U Characteristic Intel Celeron G1820T
6 Cores 2
12 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
3.20 GHz Frequency 2.40 GHz
4.90 GHz Turbo Frequency (1 Core) --
-- 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.

AMD Ryzen 5 8540U Characteristic Intel Celeron G1820T
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Ryzen 5 8540U or Intel Celeron G1820T has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

AMD Radeon 740M GPU Intel HD Graphics (Haswell GT1)
0.80 GHz GPU frequency 0.20 GHz
2.50 GHz GPU (Turbo) 1.05 GHz
10 GPU Generation 7.5
4 nm Technology 22 nm
4 Max. displays 3
4 Compute units 10
256 Shader 80
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 2 GB
12 DirectX Version 11.1

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 740M GPU Intel HD Graphics (Haswell GT1)
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 No
Decode Codec VP8 No
Decode / Encode Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

The AMD Ryzen 5 8540U can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The Intel Celeron G1820T supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

AMD Ryzen 5 8540U Characteristic Intel Celeron G1820T
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR3-1333
256 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC Yes
6.00 MB L2 Cache --
16.00 MB L3 Cache 2.00 MB
4.0 PCIe version 3.0
20 PCIe lanes 16
39.4 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 5 8540U is 28 W, while the Intel Celeron G1820T has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen 5 8540U Characteristic Intel Celeron G1820T
28 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
30 W TDP up --
15 W TDP down --
100 °C Tjunction max. --

Technical details

The AMD Ryzen 5 8540U is manufactured in 4 nm and has 22.00 MB cache. The Intel Celeron G1820T is manufactured in 22 nm and has a 2.00 MB cache.

AMD Ryzen 5 8540U Characteristic Intel Celeron G1820T
4 nm Technology 22 nm
Monolithic 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
FP8 Socket LGA 1150
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2024 Release date Q1/2014
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 5 8540U to help other visitors make their purchasing decisions. The average rating is 3.0 stars (2 ratings). Rate now:
Here you can rate the Intel Celeron G1820T 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 1 CPU benchmarks
AMD Ryzen 5 8540U (100%)
Intel Celeron G1820T (28%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Ryzen 5 8540U (100%)
Intel Celeron G1820T (14%)

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 8540U AMD Ryzen 5 8540U
6C 12T @ 4.90 GHz
1700 (100%)
Intel Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
472 (28%)

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 8540U AMD Ryzen 5 8540U
6C 12T @ 3.20 GHz
6915 (100%)
Intel Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
1002 (14%)

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 8540U AMD Ryzen 5 8540U
AMD Radeon 740M @ 2.50 GHz
1280 (100%)
Intel Celeron G1820T Intel Celeron G1820T
Intel HD Graphics (Haswell GT1) @ 1.05 GHz
168 (13%)

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.
AMD Ryzen 5 8540U AMD Ryzen 5 8540U
6C 12T @ 4.90 GHz
2402 (100%)
Intel Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
0 (0%)

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.
AMD Ryzen 5 8540U AMD Ryzen 5 8540U
6C 12T @ 3.20 GHz
7841 (100%)
Intel Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
0 (0%)

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 8540U AMD Ryzen 5 8540U
6C 12T @ 3.20 GHz
0 (0%)
Intel Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
1615 (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.
AMD Ryzen 5 8540U AMD Ryzen 5 8540U
6C 12T @ 4.90 GHz
0 (0%)
Intel Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
91 (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.
AMD Ryzen 5 8540U AMD Ryzen 5 8540U
6C 12T @ 3.20 GHz
0 (0%)
Intel Celeron G1820T Intel Celeron G1820T
2C 2T @ 2.40 GHz
170 (100%)

Devices using this processor

AMD Ryzen 5 8540U Intel Celeron G1820T
Unknown Unknown

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