AMD Ryzen 9 4900H vs AMD Ryzen 9 3900

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CPU comparison with benchmarks


AMD Ryzen 9 4900H CPU1 vs CPU2 AMD Ryzen 9 3900
AMD Ryzen 9 4900H AMD Ryzen 9 3900

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 9 4900H and the AMD Ryzen 9 3900 and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 9 4900H 8 core processor released in Q2/2020 with the AMD Ryzen 9 3900 which has 12 CPU cores and was introduced in Q3/2019.
AMD Ryzen 9 (35) Family AMD Ryzen 9 (35)
AMD Ryzen 4000H (6) CPU group AMD Ryzen 3000 (15)
3 Generation 3
Renoir (Zen 2) Architecture Matisse (Zen 2)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor AMD Ryzen 9 5900

CPU Cores and Base Frequency

The AMD Ryzen 9 4900H is a 8 core processor with a clock frequency of 3.30 GHz (4.40 GHz). The processor can compute 16 threads at the same time. The AMD Ryzen 9 3900 clocks with 3.10 GHz (4.30 GHz), has 12 CPU cores and can calculate 24 threads in parallel.

AMD Ryzen 9 4900H Characteristic AMD Ryzen 9 3900
8 Cores 12
16 Threads 24
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
3.30 GHz Frequency 3.10 GHz
4.40 GHz Turbo Frequency (1 Core) 4.30 GHz
4.00 GHz Turbo Frequency (All Cores) --

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 4900H Characteristic AMD Ryzen 9 3900
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

AMD Radeon RX Vega 8 (Renoir) GPU no iGPU
0.40 GHz GPU frequency --
1.75 GHz GPU (Turbo) --
9 GPU Generation --
7 nm Technology
3 Max. displays
8 Compute units --
512 Shader --
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory --
12 DirectX Version --

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

Memory & PCIe

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 9 4900H, while the AMD Ryzen 9 3900 supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

AMD Ryzen 9 4900H Characteristic AMD Ryzen 9 3900
LPDDR4-4266, DDR4-3200 Memory DDR4-3200
64 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC No
-- L2 Cache --
8.00 MB L3 Cache 64.00 MB
3.0 PCIe version 4.0
12 PCIe lanes 20
11.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The AMD Ryzen 9 4900H has a TDP of 45 W. The TDP of the AMD Ryzen 9 3900 is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 9 4900H Characteristic AMD Ryzen 9 3900
45 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
54 W TDP up --
35 W TDP down --
105 °C Tjunction max. 95 °C

Technical details

The AMD Ryzen 9 4900H has 8.00 MB cache and is manufactured in 7 nm. The cache of AMD Ryzen 9 3900 is at 64.00 MB. The processor is manufactured in 7 nm.

AMD Ryzen 9 4900H Characteristic AMD Ryzen 9 3900
7 nm Technology 7 nm
Chiplet Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FP6 Socket AM4 (PGA 1331)
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2020 Release date Q3/2019
-- Release price 485 $
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Here you can rate the AMD Ryzen 9 4900H to help other visitors make their purchasing decisions. The average rating is 5.0 stars (2 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 4 CPU benchmarks
AMD Ryzen 9 4900H (99%)
AMD Ryzen 9 3900 (99%)
⌀ Multi core performance in 7 CPU benchmarks
AMD Ryzen 9 4900H (66%)
AMD Ryzen 9 3900 (100%)

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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.40 GHz
1284 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
1281 (100%)

Cinebench R23 (Multi-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 multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 4900H AMD Ryzen 9 4900H
8C 16T @ 4.00 GHz
11061 (67%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
16555 (100%)

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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.40 GHz
1225 (99%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
1234 (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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.00 GHz
7911 (69%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
11432 (100%)

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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.40 GHz
1659 (98%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
1688 (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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.00 GHz
7405 (72%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
10260 (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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.40 GHz
501 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
487 (97%)

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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.00 GHz
4332 (67%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
6443 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
AMD Ryzen 9 4900H AMD Ryzen 9 4900H
8C 16T @ 4.00 GHz
148 (63%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
234 (100%)

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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.00 GHz
19330 (63%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
30688 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 9 4900H AMD Ryzen 9 4900H
8C 16T @ 3.30 GHz
4807 (61%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
7875 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 9 4900H AMD Ryzen 9 4900H
8C 16T @ 4.40 GHz
0 (0%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
75 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 9 4900H AMD Ryzen 9 4900H
8C 16T @ 4.40 GHz
0 (0%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
947 (100%)

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 4900H AMD Ryzen 9 4900H
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz
1792 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
@ 0.00 GHz
0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
AMD Ryzen 9 4900H AMD Ryzen 9 4900H
8C 16T @ 4.00 GHz
202 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
AMD Ryzen 9 4900H AMD Ryzen 9 4900H
8C 16T @ 4.00 GHz
0 (0%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
525 (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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.40 GHz
204 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 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 4900H AMD Ryzen 9 4900H
8C 16T @ 4.00 GHz
1937 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
0 (0%)

Devices using this processor

AMD Ryzen 9 4900H AMD Ryzen 9 3900
Unknown Unknown

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