AMD Ryzen 9 4900U vs Intel Core i5-10400H

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CPU comparison with benchmarks


AMD Ryzen 9 4900U CPU1 vs CPU2 Intel Core i5-10400H
AMD Ryzen 9 4900U Intel Core i5-10400H

CPU comparison

AMD Ryzen 9 4900U or Intel Core i5-10400H - 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 9 4900U has 8 cores with 16 threads and clocks with a maximum frequency of 4.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 4900U was released in Q1/2020.

The Intel Core i5-10400H has 4 cores with 8 threads and clocks with a maximum frequency of 4.60 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i5-10400H was released in Q2/2020.
AMD Ryzen 9 (34) Family Intel Core i5 (328)
AMD Ryzen 4000U (11) CPU group Intel Core i 10000H (11)
3 Generation 10
Renoir (Zen 2) Architecture Comet Lake H
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 9 4900U has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 9 4900U is 2.00 GHz (4.40 GHz) while the Intel Core i5-10400H has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i5-10400H is at 2.60 GHz (4.60 GHz).

AMD Ryzen 9 4900U Characteristic Intel Core i5-10400H
8 Cores 4
16 Threads 8
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.00 GHz Frequency 2.60 GHz
4.40 GHz Turbo Frequency (1 Core) 4.60 GHz
3.40 GHz Turbo Frequency (All Cores) 3.80 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.

AMD Ryzen 9 4900U Characteristic Intel Core i5-10400H
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD Ryzen 9 4900U or Intel Core i5-10400H 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 RX Vega 8 (Renoir) GPU Intel UHD Graphics 630
0.40 GHz GPU frequency 0.35 GHz
1.75 GHz GPU (Turbo) 1.10 GHz
9 GPU Generation 9.5
7 nm Technology 14 nm
3 Max. displays 3
8 Compute units 24
512 Shader 192
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 64 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 RX Vega 8 (Renoir) GPU Intel UHD Graphics 630
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
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 9 4900U can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 51.2 GB/s. The Intel Core i5-10400H supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 45.8 GB/s.

AMD Ryzen 9 4900U Characteristic Intel Core i5-10400H
LPDDR4-4266, DDR4-3200 Memory DDR4-2933
64 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 45.8 GB/s
Yes ECC No
-- L2 Cache --
8.00 MB L3 Cache 8.00 MB
3.0 PCIe version 3.0
12 PCIe lanes 16
11.8 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 9 4900U is 15 W, while the Intel Core i5-10400H has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen 9 4900U Characteristic Intel Core i5-10400H
15 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
25 W TDP up --
10 W TDP down 35 W
105 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 9 4900U is manufactured in 7 nm and has 8.00 MB cache. The Intel Core i5-10400H is manufactured in 14 nm and has a 8.00 MB cache.

AMD Ryzen 9 4900U Characteristic Intel Core i5-10400H
7 nm Technology 14 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4.1, SSE4.2, AVX2
FP6 Socket BGA 1440
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
Q1/2020 Release date Q2/2020
-- Release price 250 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

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 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
1203 (99%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 4.60 GHz
1219 (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 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
6422 (100%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 3.80 GHz
4744 (74%)

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 9 4900U AMD Ryzen 9 4900U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz
1792 (100%)
Intel Core i5-10400H Intel Core i5-10400H
Intel UHD Graphics 630 @ 1.10 GHz
422 (24%)

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 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
1279 (100%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 4.60 GHz
0 (0%)

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 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
0 (0%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 4.60 GHz
1490 (100%)

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 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
0 (0%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 3.80 GHz
4723 (100%)

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.
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
501 (100%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 4.60 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.
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
3292 (100%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 3.80 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 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
0 (0%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 3.80 GHz
8775 (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 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
204 (100%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 4.60 GHz
0 (0%)

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 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
1384 (100%)
Intel Core i5-10400H Intel Core i5-10400H
4C 8T @ 3.80 GHz
0 (0%)

Devices using this processor

AMD Ryzen 9 4900U Intel Core i5-10400H
Unknown Unknown

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