AMD Ryzen 5 PRO 6650U vs AMD Ryzen 9 7900

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CPU comparison with benchmarks


AMD Ryzen 5 PRO 6650U CPU1 vs CPU2 AMD Ryzen 9 7900
AMD Ryzen 5 PRO 6650U AMD Ryzen 9 7900

CPU comparison

AMD Ryzen 5 PRO 6650U or AMD Ryzen 9 7900 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Ryzen 5 PRO 6650U has 6 cores with 12 threads and clocks with a maximum frequency of 4.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 PRO 6650U was released in Q2/2022.

The AMD Ryzen 9 7900 has 12 cores with 24 threads and clocks with a maximum frequency of 5.40 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 7900 was released in Q1/2023.
AMD Ryzen 5 (85) Family AMD Ryzen 9 (35)
AMD Ryzen 6000U/7035U (9) CPU group AMD Ryzen 7000 (14)
5 Generation 6
Rembrandt (Zen 3+) Architecture Raphael (Zen 4)
Mobile Segment Desktop / Server
-- Predecessor AMD Ryzen 9 5900
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 PRO 6650U is a 6 core processor with a clock frequency of 2.90 GHz (4.40 GHz). The AMD Ryzen 9 7900 has 12 CPU cores with a clock frequency of 3.70 GHz (5.40 GHz).
AMD Ryzen 5 PRO 6650U Characteristic AMD Ryzen 9 7900
6 Cores 12
12 Threads 24
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
2.90 GHz Frequency 3.70 GHz
4.40 GHz Turbo Frequency (1 Core) 5.40 GHz
3.80 GHz Turbo Frequency (All Cores) 4.70 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 5 PRO 6650U Characteristic AMD Ryzen 9 7900
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
AMD Radeon 660M GPU AMD Radeon Graphics (Raphael)
1.40 GHz GPU frequency 0.40 GHz
1.90 GHz GPU (Turbo) 2.20 GHz
9 GPU Generation 9
6 nm Technology 5 nm
3 Max. displays 3
6 Compute units 2
384 Shader 128
Yes Hardware Raytracing No
No Frame Generation No
8 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 660M GPU AMD Radeon Graphics (Raphael)
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
Decode Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 5 PRO 6650U supports a maximum of 64 GB of memory in 2 memory channels. The AMD Ryzen 9 7900 can connect up to 128 GB of memory in 2 memory channels.
AMD Ryzen 5 PRO 6650U Characteristic AMD Ryzen 9 7900
LPDDR5-6400, DDR5-4800 Memory DDR5-5200
64 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
76.8 GB/s Max. Bandwidth 83.2 GB/s
No ECC Yes
3.00 MB L2 Cache 12.00 MB
16.00 MB L3 Cache 64.00 MB
4.0 PCIe version 5.0
12 PCIe lanes 24
23.6 GB/s PCIe Bandwidth 94.5 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 5 PRO 6650U has a TDP of 15 W, that of the AMD Ryzen 9 7900 is 65 W.
AMD Ryzen 5 PRO 6650U Characteristic AMD Ryzen 9 7900
15 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) 88 W
28 W TDP up 170 W
-- TDP down --
105 °C Tjunction max. 95 °C

Technical details

The AMD Ryzen 5 PRO 6650U has a 19.00 MB cache, while the AMD Ryzen 9 7900 cache has a total of 76.00 MB.
AMD Ryzen 5 PRO 6650U Characteristic AMD Ryzen 9 7900
6 nm Technology 5 nm
Monolithic 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,FMA3, AVX2, AVX512
FP7 Socket AM5 (LGA 1718)
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q2/2022 Release date Q1/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 5 PRO 6650U to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the AMD Ryzen 9 7900 to help other visitors make their purchasing decisions. The average rating is 4.9 stars (20 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 5 CPU benchmarks
AMD Ryzen 5 PRO 6650U (71%)
AMD Ryzen 9 7900 (100%)
⌀ Multi core performance in 6 CPU benchmarks
AMD Ryzen 5 PRO 6650U (34%)
AMD Ryzen 9 7900 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
1468 (75%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 5.40 GHz
1964 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
8977 (31%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 4.70 GHz
28905 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
1465 (66%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 5.40 GHz
2206 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
6385 (30%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 4.70 GHz
21140 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
1879 (67%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 5.40 GHz
2798 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
7423 (44%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 4.70 GHz
16832 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
575 (75%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 5.40 GHz
764 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
3734 (34%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 4.70 GHz
11088 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
AMD Radeon 660M @ 1.90 GHz
1459 (100%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
AMD Radeon Graphics (Raphael) @ 2.20 GHz
563 (39%)

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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
16692 (34%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 4.70 GHz
49250 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
225 (72%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 5.40 GHz
314 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 3.80 GHz
1546 (32%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 4.70 GHz
4796 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
0 (0%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 5.40 GHz
116 (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 5 PRO 6650U AMD Ryzen 5 PRO 6650U
6C 12T @ 4.40 GHz
0 (0%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
12C 24T @ 5.40 GHz
1632 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 5 PRO 6650U AMD Ryzen 5 PRO 6650U
2.90 GHz
0 (0%)
AMD Ryzen 9 7900 AMD Ryzen 9 7900
28,905 CB R23 MC @ 90 W
321 (100%)

Devices using this processor
AMD Ryzen 5 PRO 6650U AMD Ryzen 9 7900
Unknown Unknown

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