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 Family AMD Ryzen 7
3 Generation 3
AMD Ryzen 4000U Group AMD Ryzen 4000U
Mobile Segment Mobile
AMD Ryzen 9 4900U Name AMD Ryzen 7 4800U
 
 

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.
16 Threads 16
Yes Hyperthreading Yes
normal Core architecture normal
No Overclocking No
8 CPU Cores 8
8x Cores 8x
2.0 GHz Frequency 1.8 GHz
4.4 GHz Turbo Frequency (1 core) 4.2 GHz
3.4 GHz Turbo Frequency (all cores) 3.2 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
2.0 GB Max. GPU Memory 2.0 GB
9 Generation 9
Q1/2020 Release date Q1/2020
8 Execution units 8
-- GPU (Turbo) --
-- Max. displays --
1.75 GHz GPU frequency 1.75 GHz
512 Shaders 512
12 Direct X 12
7 nm Technology 7 nm
AMD Radeon 8 Graphics (Renoir) GPU name AMD Radeon 8 Graphics (Renoir)
 
 

Artificial Intelligence and Machine Learning

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

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.
Decode / Encode VP8 Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode JPEG Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode VC-1 Decode
Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
No AV1 No
Decode / Encode h265 / HEVC (8 bit) 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.
Yes ECC Yes
pci PCIe pci
DDR4-3200, LPDDR4-4266 Memory type DDR4-3200
64.0 GB Max. Memory 64.0 GB
51.2 GB/s Bandwidth 51.2 GB/s
2 Memory channels 2
Yes AES-NI Yes
 
 

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.
105 °C Tjunction max 105 °C
10 W TDP down 10 W
25 W TDP up 25 W
15 W TDP (PL1 / PBP) 15 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.
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
Renoir (Zen 2) Architecture Renoir (Zen 2)
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Release price --
AMD-V, SVM Virtualization AMD-V, SVM
Q1/2020 Release date Q1/2020
0 bytes L2-Cache 0 bytes
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
Chiplet Chip design Chiplet
FP6 Socket FP6
-- Part Number --
7 nm Technology 7 nm
8.0 MB L3-Cache 8.0 MB