AMD Ryzen 9 4900U vs AMD Ryzen 7 4800U

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 4900U or AMD Ryzen 9 4900U – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The AMD Ryzen 9 4900U features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2020 and belongs to the 3 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 4900U, you'll need a motherboard with a FP6 socket.
The AMD Ryzen 7 4800U features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2020 and belongs to the 3 generation of the AMD Ryzen 7 series.
To use the AMD Ryzen 7 4800U, you'll need a motherboard with a FP6 socket.
AMD Ryzen 9 4900U Name AMD Ryzen 7 4800U
Mobile Segment Mobile
3 Generation 3
AMD Ryzen 4000U Group AMD Ryzen 4000U
AMD Ryzen 9 Family AMD Ryzen 7
 
 

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 2.0 GHz
and turbo frequency for one core is 4.4 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 7 4800U has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 4800U is 1.8 GHz
and turbo frequency for one core is 4.2 GHz.
8x Cores 8x
No Overclocking No
Yes Hyperthreading Yes
normal Core architecture normal
16 Threads 16
4.4 GHz Turbo Frequency (1 core) 4.2 GHz
3.4 GHz Turbo Frequency (all cores) 3.2 GHz
8 CPU Cores 8
2.0 GHz Frequency 1.8 GHz
 
 

Internal Graphics

The AMD Ryzen 9 4900U has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 9 4900U uses the AMD Radeon 8 Graphics (Renoir), which has 512 texture shaders
and 8 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The AMD Ryzen 7 4800U has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 7 4800U uses the AMD Radeon 8 Graphics (Renoir), which has 512 texture shaders
7 nm Technology 7 nm
1.75 GHz GPU frequency 1.75 GHz
AMD Radeon 8 Graphics (Renoir) GPU name AMD Radeon 8 Graphics (Renoir)
-- Max. displays --
-- GPU (Turbo) --
8 Execution units 8
512 Shaders 512
9 Generation 9
12 Direct X 12
2.0 GB Max. GPU Memory 2.0 GB
Q1/2020 Release date Q1/2020
 
 

Artificial Intelligence and Machine Learning

-- AI hardware --
-- AI specifications --
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
51.2 GB/s Bandwidth 51.2 GB/s
2 Memory channels 2
pci PCIe pci
64.0 GB Max. Memory 64.0 GB
Yes AES-NI Yes
Yes ECC Yes
DDR4-3200, LPDDR4-4266 Memory type DDR4-3200
 
 

Thermal Management

The processor has a thermal design power (TDP) of 15 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
25 W TDP up 25 W
15 W TDP (PL1 / PBP) 15 W
105 °C Tjunction max 105 °C
10 W TDP down 10 W
 
 

Technical details

The AMD Ryzen 9 4900U is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 7 4800U is manufactured using a 7 nm process.
FP6 Socket FP6
Renoir (Zen 2) Architecture Renoir (Zen 2)
Technical data sheet Documents Technical data sheet
7 nm Technology 7 nm
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
AMD-V, SVM Virtualization AMD-V, SVM
0 bytes L2-Cache 0 bytes
-- Part Number --
Chiplet Chip design Chiplet
8.0 MB L3-Cache 8.0 MB
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Q1/2020 Release date Q1/2020
-- Release price --