AMD Ryzen 7 3750H vs AMD Ryzen 9 3900

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CPU comparison with benchmarks


AMD Ryzen 7 3750H CPU1 vs CPU2 AMD Ryzen 9 3900
AMD Ryzen 7 3750H AMD Ryzen 9 3900

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 7 3750H and the AMD Ryzen 9 3900 and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 7 3750H 4 core processor released in Q1/2019 with the AMD Ryzen 9 3900 which has 12 CPU cores and was introduced in Q3/2019.
AMD Ryzen 7 (67) Family AMD Ryzen 9 (35)
AMD Ryzen 3000H (2) CPU group AMD Ryzen 3000 (15)
2 Generation 3
Picasso (Zen+) Architecture Matisse (Zen 2)
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor AMD Ryzen 9 5900

CPU Cores and Base Frequency

The AMD Ryzen 7 3750H is a 4 core processor with a clock frequency of 2.30 GHz (4.00 GHz). The processor can compute 8 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 7 3750H Characteristic AMD Ryzen 9 3900
4 Cores 12
8 Threads 24
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
2.30 GHz Frequency 3.10 GHz
4.00 GHz Turbo Frequency (1 Core) 4.30 GHz
3.50 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 7 3750H 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 10 (Raven Ridge) GPU no iGPU
1.40 GHz GPU frequency --
-- GPU (Turbo) --
8 GPU Generation --
14 nm Technology
3 Max. displays
10 Compute units --
640 Shader --
No Hardware Raytracing No
No Frame Generation No
2 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 10 (Raven Ridge) 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 32 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 7 3750H, 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 7 3750H Characteristic AMD Ryzen 9 3900
DDR4-2400 Memory DDR4-3200
32 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC No
-- L2 Cache --
4.00 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 7 3750H has a TDP of 35 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 7 3750H Characteristic AMD Ryzen 9 3900
35 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
12 W TDP down --
105 °C Tjunction max. 95 °C

Technical details

The AMD Ryzen 7 3750H has 4.00 MB cache and is manufactured in 12 nm. The cache of AMD Ryzen 9 3900 is at 64.00 MB. The processor is manufactured in 7 nm.

AMD Ryzen 7 3750H Characteristic AMD Ryzen 9 3900
12 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
AM4 (PGA 1331) 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
Q1/2019 Release date Q3/2019
-- Release price 485 $
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Rate these processors

Here you can rate the AMD Ryzen 7 3750H to help other visitors make their purchasing decisions. The average rating is 3.3 stars (3 ratings). Rate now:
Here you can rate the AMD Ryzen 9 3900 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 4 CPU benchmarks
AMD Ryzen 7 3750H (68%)
AMD Ryzen 9 3900 (100%)
⌀ Multi core performance in 6 CPU benchmarks
AMD Ryzen 7 3750H (28%)
AMD Ryzen 9 3900 (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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 4.00 GHz
818 (66%)
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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 3.50 GHz
3155 (28%)
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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 4.00 GHz
1037 (61%)
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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 3.50 GHz
3314 (32%)
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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 4.00 GHz
367 (75%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
487 (100%)

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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 3.50 GHz
1809 (28%)
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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 3.50 GHz
63 (27%)
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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 3.50 GHz
8216 (27%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
30688 (100%)

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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 3.50 GHz
369 (70%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
525 (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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 2.30 GHz
1940 (25%)
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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 4.00 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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 4.00 GHz
0 (0%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 4.30 GHz
947 (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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 4.00 GHz
0 (0%)
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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 3.50 GHz
0 (0%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
16555 (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 7 3750H AMD Ryzen 7 3750H
AMD Radeon RX Vega 10 (Raven Ridge) @ 1.40 GHz
1792 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
@ 0.00 GHz
0 (0%)

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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 4.00 GHz
146 (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 7 3750H AMD Ryzen 7 3750H
4C 8T @ 3.50 GHz
789 (100%)
AMD Ryzen 9 3900 AMD Ryzen 9 3900
12C 24T @ 3.10 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 3750H AMD Ryzen 9 3900
Unknown Unknown

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