AMD Ryzen 7 PRO 7840HS vs AMD Ryzen 5 PRO 4650U

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CPU comparison with benchmarks


AMD Ryzen 7 PRO 7840HS CPU1 vs CPU2 AMD Ryzen 5 PRO 4650U
AMD Ryzen 7 PRO 7840HS AMD Ryzen 5 PRO 4650U

CPU comparison

In this CPU comparison, we compare the AMD Ryzen 7 PRO 7840HS and the AMD Ryzen 5 PRO 4650U and use benchmarks to check which processor is faster.

We compare the AMD Ryzen 7 PRO 7840HS 8 core processor released in Q2/2023 with the AMD Ryzen 5 PRO 4650U which has 6 CPU cores and was introduced in Q2/2020.
AMD Ryzen 7 PRO (21) Family AMD Ryzen 5 PRO (28)
AMD Ryzen 7040 (21) CPU group AMD Ryzen 4000U (11)
6 Generation 3
Phoenix (Zen 4) Architecture Renoir (Zen 2)
Mobile Segment Mobile
-- Predecessor --
AMD Ryzen 7 PRO 8840HS Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 PRO 7840HS is a 8 core processor with a clock frequency of 3.80 GHz (5.10 GHz). The processor can compute 16 threads at the same time. The AMD Ryzen 5 PRO 4650U clocks with 2.10 GHz (4.00 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

AMD Ryzen 7 PRO 7840HS Characteristic AMD Ryzen 5 PRO 4650U
8 Cores 6
16 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.80 GHz Frequency 2.10 GHz
5.10 GHz Turbo Frequency (1 Core) 4.00 GHz
4.25 GHz Turbo Frequency (All Cores) 3.60 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 PRO 7840HS Characteristic AMD Ryzen 5 PRO 4650U
AMD Ryzen AI AI hardware --
AMD dedicated AI XDNA Technology 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 780M GPU AMD Radeon RX Vega 6 (Renoir)
0.80 GHz GPU frequency 0.40 GHz
2.70 GHz GPU (Turbo) 1.50 GHz
3 GPU Generation 9
4 nm Technology 7 nm
4 Max. displays 3
12 Compute units 6
768 Shader 384
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 GB Max. GPU Memory 2 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 780M GPU AMD Radeon RX Vega 6 (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 Codec VP9 Decode / Encode
Decode Codec VP8 Decode / Encode
Decode / Encode Codec AV1 No
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 256 GB of memory in a maximum of 2 memory channels is supported by the AMD Ryzen 7 PRO 7840HS, while the AMD Ryzen 5 PRO 4650U supports a maximum of 64 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

AMD Ryzen 7 PRO 7840HS Characteristic AMD Ryzen 5 PRO 4650U
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory LPDDR4-4266, DDR4-3200
256 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC Yes
8.00 MB L2 Cache --
16.00 MB L3 Cache 8.00 MB
4.0 PCIe version 3.0
20 PCIe lanes 12
39.4 GB/s PCIe Bandwidth 11.8 GB/s

Thermal Management

The AMD Ryzen 7 PRO 7840HS has a TDP of 54 W. The TDP of the AMD Ryzen 5 PRO 4650U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Ryzen 7 PRO 7840HS Characteristic AMD Ryzen 5 PRO 4650U
54 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up 25 W
35 W TDP down 10 W
100 °C Tjunction max. 105 °C

Technical details

The AMD Ryzen 7 PRO 7840HS has 24.00 MB cache and is manufactured in 4 nm. The cache of AMD Ryzen 5 PRO 4650U is at 8.00 MB. The processor is manufactured in 7 nm.

AMD Ryzen 7 PRO 7840HS Characteristic AMD Ryzen 5 PRO 4650U
4 nm Technology 7 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FP8 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
Q2/2023 Release date Q2/2020
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 7 PRO 7840HS to help other visitors make their purchasing decisions. The average rating is 5.0 stars (3 ratings). Rate now:
Here you can rate the AMD Ryzen 5 PRO 4650U to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
AMD Ryzen 7 PRO 7840HS (100%)
AMD Ryzen 5 PRO 4650U (61%)
⌀ Multi core performance in 4 CPU benchmarks
AMD Ryzen 7 PRO 7840HS (100%)
AMD Ryzen 5 PRO 4650U (41%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
1757 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz
1171 (67%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 4.25 GHz
15930 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz
6537 (41%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
1857 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz
1082 (58%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 4.25 GHz
11334 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz
3975 (35%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
2456 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz
1412 (57%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 4.25 GHz
12135 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz
5120 (42%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
AMD Radeon 780M @ 2.70 GHz
4201 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
AMD Radeon RX Vega 6 (Renoir) @ 1.50 GHz
1152 (27%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 4.25 GHz
28412 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz
12935 (46%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
102 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz
0 (0%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
866 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz
0 (0%)

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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 5.10 GHz
0 (0%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 4.00 GHz
282 (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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 4.25 GHz
0 (0%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 3.60 GHz
527 (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 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 3.80 GHz
0 (0%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 2.10 GHz
2654 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
AMD Ryzen 7 PRO 7840HS AMD Ryzen 7 PRO 7840HS
8C 16T @ 3.80 GHz
10 (100%)
AMD Ryzen 5 PRO 4650U AMD Ryzen 5 PRO 4650U
6C 12T @ 2.10 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 PRO 7840HS AMD Ryzen 5 PRO 4650U
Unknown Unknown

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