AMD Ryzen 9 4900HS VS AMD Ryzen 9 4900U

Comparison of video cards AMD Ryzen 9 4900HS vs AMD Ryzen 9 4900U in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of AMD Ryzen 9 4900U

Report a bug

Higher turbo clock speed

4.40 GHz 4.30 GHz

Around 2% better overclocked clock speed
Performance per watt

15 W 35 W

About 2.33 0.97 times less performance per watt

Top features of AMD Ryzen 9 4900HS

Report a bug

Higher clock speed

3.00 GHz 2.00 GHz

Around 33% better clock speed

Specifications

Complete list of technical specifications

AMD Ryzen 9 4900U AMD Ryzen 9 4900HS

CPU generation and family

Let's find out which one of AMD Ryzen 9 4900U and AMD Ryzen 9 4900HS is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	AMD Ryzen 9 4900U AMD Ryzen 9 4900HS
Segment	Mobile Mobile
Family	AMD Ryzen AMD Ryzen
Generation	3 3
CPU group	AMD Ryzen 4000U AMD Ryzen 4000H

CPU Cores and Base Frequency

In this block we are going to compare AMD Ryzen 9 4900U vs AMD Ryzen 9 4900HS by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	2.00 GHz 3.00 GHz
CPU Cores	8 8
Turbo (1 Core)	4.40 GHz 4.30 GHz
CPU Threads	16 16
Turbo (8 Cores)	3.40 GHz 3.90 GHz
Hyperthreading	Yes Yes
Overclocking	No No
Core architecture	normal normal

Internal Graphics

Common specifications for integrated graphics cards in AMD Ryzen 9 4900U and AMD Ryzen 9 4900HS along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	AMD Radeon 8 Graphics (Renoir) AMD Radeon 8 Graphics (Renoir)
GPU frequency	1.75 GHz 1.75 GHz
GPU (Turbo)	No turbo No turbo
Execution units	8 8
Shader	512 512
Max. GPU Memory	2 GB 2 GB
Max. displays	3 3
Generation	9 9
DirectX Version	12 12
Technology	7 nm 7 nm
Release date	Q1/2020 Q1/2020

Hardware codec support

Let's compare the support of video codecs between AMD Ryzen 9 4900U and AMD Ryzen 9 4900HS. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	Decode / Encode Decode / Encode
h265 / HEVC (10 bit)	Decode / Encode Decode / Encode
h264	Decode / Encode Decode / Encode
VP9	Decode / Encode Decode / Encode
VP8	Decode / Encode Decode / Encode
AV1	No No
AVC	Decode / Encode Decode / Encode
VC-1	Decode Decode
JPEG	Decode / Encode Decode / Encode

Memory & PCIe

To choose the best model between AMD Ryzen 9 4900U and AMD Ryzen 9 4900HS you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	DDR4-3200LPDDR4-4266 DDR4-3200LPDDR4-4266
Max. Memory	64 GB 32 GB
ECC	Yes Yes
Memory channels	2 2
PCIe version	3.0 3.0
PCIe lanes	12 12

Encryption

AES-NI encryption support for CPUs AMD Ryzen 9 4900U and AMD Ryzen 9 4900HS.

Specification	Value
AES-NI	Yes Yes

Thermal Management

Let's find out what TDP value would be better for AMD Ryzen 9 4900U or AMD Ryzen 9 4900HS? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value
TDP (PL1)	15 W 35 W
TDP up	25 W 54 W
TDP down	10 W 35 W
Tjunction max.	105 °C 105 °C

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Ryzen 9 4900U and AMD Ryzen 9 4900HS CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
Virtualization	AMD-V, SVM AMD-V, SVM
ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
L3-Cache	8.00 MB 8.00 MB
Architecture	Renoir (Zen 2) Renoir (Zen 2)
Technology	7 nm 7 nm
Socket	FP6 FP6
Release date	Q1/2020 Q2/2020