AMD Ryzen 7 3780U vs AMD Ryzen 9 4900U

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CPU comparison with benchmarks


AMD Ryzen 7 3780U CPU1 vs CPU2 AMD Ryzen 9 4900U
AMD Ryzen 7 3780U AMD Ryzen 9 4900U

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 7 3780U and the AMD Ryzen 9 4900U and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 7 3780U 4 core processor released in Q1/2019 with the AMD Ryzen 9 4900U which has 8 CPU cores and was introduced in Q1/2020.
AMD Ryzen 7 (68) Family AMD Ryzen 9 (35)
AMD Ryzen 3000U (10) CPU group AMD Ryzen 4000U (11)
2 Generation 3
Picasso (Zen+) Architecture Renoir (Zen 2)
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 3780U 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 4900U clocks with 2.00 GHz (4.40 GHz), has 8 CPU cores and can calculate 16 threads in parallel.

AMD Ryzen 7 3780U Characteristic AMD Ryzen 9 4900U
4 Cores 8
8 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.30 GHz Frequency 2.00 GHz
4.00 GHz Turbo Frequency (1 Core) 4.40 GHz
3.50 GHz Turbo Frequency (All Cores) 3.40 GHz

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 3780U Characteristic AMD Ryzen 9 4900U
-- 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 11 (Raven Ridge) GPU AMD Radeon RX Vega 8 (Renoir)
1.40 GHz GPU frequency 0.40 GHz
-- GPU (Turbo) 1.75 GHz
8 GPU Generation 9
14 nm Technology 7 nm
3 Max. displays 3
11 Compute units 8
704 Shader 512
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 8 GB
12 DirectX Version 12

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 11 (Raven Ridge) GPU AMD Radeon RX Vega 8 (Renoir)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 32 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 7 3780U, while the AMD Ryzen 9 4900U supports a maximum of 64 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

AMD Ryzen 7 3780U Characteristic AMD Ryzen 9 4900U
DDR4-2400 Memory LPDDR4-4266, DDR4-3200
32 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC Yes
-- L2 Cache --
4.00 MB L3 Cache 8.00 MB
3.0 PCIe version 3.0
12 PCIe lanes 12
11.8 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The AMD Ryzen 7 3780U has a TDP of 15 W. The TDP of the AMD Ryzen 9 4900U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 7 3780U Characteristic AMD Ryzen 9 4900U
15 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
35 W TDP up 25 W
12 W TDP down 10 W
105 °C Tjunction max. 105 °C

Technical details

The AMD Ryzen 7 3780U has 4.00 MB cache and is manufactured in 12 nm. The cache of AMD Ryzen 9 4900U is at 8.00 MB. The processor is manufactured in 7 nm.

AMD Ryzen 7 3780U Characteristic AMD Ryzen 9 4900U
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
FP5 Socket FP6
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 Q1/2020
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
AMD Ryzen 7 3780U (69%)
AMD Ryzen 9 4900U (100%)
⌀ Multi core performance in 3 CPU benchmarks
AMD Ryzen 7 3780U (46%)
AMD Ryzen 9 4900U (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 3780U AMD Ryzen 7 3780U
4C 8T @ 4.00 GHz
762 (63%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
1203 (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 3780U AMD Ryzen 7 3780U
4C 8T @ 3.50 GHz
2684 (42%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
6422 (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 3780U AMD Ryzen 7 3780U
4C 8T @ 4.00 GHz
367 (73%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
501 (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 3780U AMD Ryzen 7 3780U
4C 8T @ 3.50 GHz
1515 (46%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
3292 (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 3780U AMD Ryzen 7 3780U
AMD Radeon RX Vega 11 (Raven Ridge) @ 1.40 GHz
1971 (100%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz
1792 (91%)

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 3780U AMD Ryzen 7 3780U
4C 8T @ 4.00 GHz
146 (72%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
204 (100%)

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 3780U AMD Ryzen 7 3780U
4C 8T @ 3.50 GHz
701 (51%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
1384 (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 3780U AMD Ryzen 7 3780U
4C 8T @ 4.00 GHz
0 (0%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
1279 (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 3780U AMD Ryzen 7 3780U
4C 8T @ 4.00 GHz
1020 (100%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz
0 (0%)

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 3780U AMD Ryzen 7 3780U
4C 8T @ 3.50 GHz
3115 (100%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
0 (0%)

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 3780U AMD Ryzen 7 3780U
4C 8T @ 3.50 GHz
7220 (100%)
AMD Ryzen 9 4900U AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 3780U AMD Ryzen 9 4900U
Microsoft Surface Laptop 3 Unknown

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