AMD Ryzen 5 PRO 4650U vs AMD Ryzen 5 3500U
AMD Ryzen 5 PRO 4650U
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The AMD Ryzen 5 PRO 4650U is a processor for thin and light laptops based on the Renoir architecture. The 4650U integrates six cores based on the Zen 2 microarchitecture. They are clocked at 2.1 (guaranteed base clock) to 4 GHz (Turbo) with SMT for a total of 12 threads. The chip is manufactured on the modern 7 nm TSMC process and partly thanks to it AMD advertises a 2x improved performance per Watt for the Renoir chips.
The PRO processors offer a range of business features like hardware security (e.g., AMD Memory Guard), manageability (e.g., support for Microsoft Endpoint Manager), and longer availability and software stability.
In addition to the six CPU cores, the APU also integrates a Radeon RX Vega 6 integrated graphics adapter with 6 CUs at up to 1500 MHz. The dual channel memory controller supports DDR4-3200 and energy efficient LPDDR4-4266 RAM. Furthermore, 8 MB level 3 cache can be found on the chip. See our hub page on the Renoir Processors for more information.
Performance
The average 4650U in our database is just as fast as the Intel Core i7-11375H and the AMD Ryzen 5 4600U are in multi-thread workloads. This is a fairly decent mid-range CPU, as of late 2021.
Your mileage may vary depending on how high the CPU power limits are and how competent the cooling solution of your system is.
Power consumption
This Ryzen 5 series chip has a default TDP (also known as the long-term power limit) of 15 W. Which is a tad too high to allow for passively cooled designs, besides, laptop makers aren't really obliged to stick to it.
The AMD Ryzen 5 PRO 4650U is manufactured on TSMC's 7 nm process, leading to average, as of mid 2023, energy efficiency.
AMD Ryzen 5 3500U
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The AMD Ryzen 5 3500U is a mobile SoC that was announced in January 2019. It combines four Zen+ cores (8 threads) clocked at 2.1 GHz to 3.7 GHz with a Radeon RX Vega 8 iGPU with 8 CUs (512 Shaders) clocked at up to 1200 MHz. Specified at 15 Watt TDP, the SoC is intended for thin mid-range laptops. In Chromebooks, AMD calles the APU AMD Ryzen 5 3500C, but the specifications (and performance) are the same.
The Picasso SoC uses the Zen+ microarchitecture with slight improvements that should lead to a 3% IPS (performance per clock) improvements. Furthermore, the 12 nm process allows for higher clocks at similar power consumption.
The integrated dual-channel memory controller supports up to DDR4-2400 memory. As the features of the Picasso APUs are the same compared to the Raven Ridge predecessors, we point to our Raven Ridge launch article.
Performance
The average 3500U in our database matches the Intel Core i7-1065G7 in multi-thread performance to be an OK lower mid-range option, as of early 2021.
The Honor MagicBook 14 is among the fastest laptops powered by the 3500U that we know of. It can be up to 50% faster in CPU-bound workloads than the slowest system featuring the same chip in our database, as of August 2023.
Power consumption
This Ryzen 5 series chip has a default TDP (also known as the long-term power limit) of 15 W, a value that laptop makers are free to set to anything between 12 W and 35 W with clock speeds and performance changing accordingly as a result. Either way, this is a tad too high to allow for passively cooled designs.
The chip is manufactured on a 12 nm process for subpar, as of late 2022, energy efficiency.
| Model | AMD Ryzen 5 PRO 4650U | AMD Ryzen 5 3500U | ||||||||||||||||||||||||||||||||
| Codename | Renoir-U PRO (Zen 2) | Picasso-U (Zen+) | ||||||||||||||||||||||||||||||||
| Series | AMD Renoir (Ryzen 4000 APU) | AMD Picasso (Ryzen 3000 APU) | ||||||||||||||||||||||||||||||||
| Series: Picasso (Ryzen 3000 APU) Picasso-U (Zen+) |
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| Clock | 2100 - 4000 MHz | 2100 - 3700 MHz | ||||||||||||||||||||||||||||||||
| L1 Cache | 384 KB | 384 KB | ||||||||||||||||||||||||||||||||
| L2 Cache | 3 MB | 2 MB | ||||||||||||||||||||||||||||||||
| L3 Cache | 8 MB | 4 MB | ||||||||||||||||||||||||||||||||
| Cores / Threads | 6 / 12 | 4 / 8 | ||||||||||||||||||||||||||||||||
| TDP | 15 Watt | 15 Watt | ||||||||||||||||||||||||||||||||
| Technology | 7 nm | 12 nm | ||||||||||||||||||||||||||||||||
| max. Temp. | 105 °C | 105 °C | ||||||||||||||||||||||||||||||||
| Socket | FP6 | FP5 | ||||||||||||||||||||||||||||||||
| Features | DDR4-3200/LPDDR4-4266 RAM, PCIe 3, PRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | DDR4-2400 RAM, PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | ||||||||||||||||||||||||||||||||
| iGPU | AMD Radeon RX Vega 6 (Ryzen 4000/5000) ( - 1500 MHz) | AMD Radeon RX Vega 8 (Ryzen 2000/3000) ( - 1200 MHz) | ||||||||||||||||||||||||||||||||
| Architecture | x86 | x86 | ||||||||||||||||||||||||||||||||
| Announced | ||||||||||||||||||||||||||||||||||
| Manufacturer | www.amd.com | www.amd.com | ||||||||||||||||||||||||||||||||
| Transistors | 4500 Million |
Benchmarks
Average Benchmarks AMD Ryzen 5 PRO 4650U → 100% n=36
Average Benchmarks AMD Ryzen 5 3500U → 68% n=36
- Average benchmark values for this graphics card* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
