CPU Comparison
AMD Ryzen 3 2300U
Atom C5315
PERFORMANCE BENCHMARKS
Analysis: AMD Ryzen 3 2300U vs Intel Atom C5315
The Verdict
The benchmark data presents a clear, if lopsided, picture. The AMD Ryzen 3 2300U is the definitive winner in the one shared benchmark test, and its overall average score confirms its superiority in general processing tasks. For any workload that relies on multi-core performance, the Ryzen 3 2300U is the only choice between these two processors. The Intel Atom C5315, while competitive on aggregate score, does not win any of the head-to-head tests and is outclassed in the specific multi-core test where both were measured. The data suggests that the Ryzen 3 2300U is the better processor for virtually any computing task, from mobile productivity to light content creation. The Atom C5315, despite its server/workstation market segment, does not offer a performance advantage in the data provided. Its role appears more specialized, likely in low-power or embedded server environments where its specific features, such as ECC memory support, are more critical than raw benchmark scores.
Architecture Differences
The two processors are built on fundamentally different architectures and for different purposes. The Intel Atom C5315 is part of the Atom (Tremont) generation, codenamed Parker Ridge, and is fabricated on a 10 nm process by Intel. It is a 4-core, 4-thread part with a base clock of 2.40 GHz and no boost clock. Its cache hierarchy is notably different: it has 64 KB of L1 cache per core and a large 4.5 MB L2 cache per module, with no L3 cache listed. It is designed for the server/workstation market segment and uses an Intel BGA 2106 socket.
In contrast, the AMD Ryzen 3 2300U is a mobile processor from the 2000 series, based on the Zen architecture (codename Raven Ridge). It is fabricated on a 14 nm process by GlobalFoundries and features a larger die size of 210 mm² with 4,950 million transistors. It has 4 cores and 4 threads, a base clock of 2.00 GHz, and a boost clock of 3.40 GHz. Its cache layout is more conventional: 96 KB of L1 cache per core, 512 KB of L2 per core, and a shared 4 MB L3 cache. The Ryzen 3 2300U includes integrated Radeon Vega 6 graphics, while the Atom C5315 has no integrated graphics (N/A). The Ryzen 3 2300U also has a significantly lower TDP of 15 W compared to the Atom's 38 W, and it does not support ECC memory, whereas the Atom does. The Atom supports DDR4 memory over a dual-channel bus with a bandwidth of 38.4 GB/s, which is the same memory bandwidth figure listed for the Ryzen 3 2300U.
FAQ
Q: Which processor is faster in multi-core workloads?
A: The AMD Ryzen 3 2300U is significantly faster. In the Cinebench R15 multi-core test, the Ryzen 3 2300U scored 422.5, while the Intel Atom C5315 scored 255, resulting in a 39.6% deficit for the Atom.
Q: Do these processors have the same number of cores and threads?
A: Yes, both the Intel Atom C5315 and the AMD Ryzen 3 2300U have 4 cores and 4 threads.
Q: What is the difference in their overall benchmark scores?
A: The average benchmark scores are very close. The Intel Atom C5315 has an average score of 871, while the AMD Ryzen 3 2300U has an average score of 880. This places them at the same 23rd percentile among all CPUs.
Q: Do these processors support the same type of memory?
A: Yes, both support DDR4 memory and have a dual-channel memory bus with a listed bandwidth of 38.4 GB/s. However, only the Intel Atom C5315 supports ECC memory.
Q: Is there a difference in power consumption?
A: Yes, the AMD Ryzen 3 2300U has a TDP of 15 W, which is considerably lower than the Intel Atom C5315's TDP of 38 W.
Q: Which processor has integrated graphics?
A: The AMD Ryzen 3 2300U includes Radeon Vega 6 integrated graphics. The Intel Atom C5315 has no integrated graphics (N/A).
Specification Differences
The following table outlines the key specification differences between the Intel Atom C5315 and the AMD Ryzen 3 2300U.
| Specification | Intel Atom C5315 | AMD Ryzen 3 2300U |
| :--- | :--- | :--- |
| Base Clock | 2.40 GHz | 2.00 GHz |
| Boost Clock | None | 3.40 GHz |
| TDP | 38 W | 15 W |
| Socket | Intel BGA 2106 | AMD Socket FP5 |
| Codename | Parker Ridge | Raven Ridge |
| Generation | Atom (Tremont) | Ryzen 3 (Zen (Raven Ridge)) |
| Process Node | 10 nm | 14 nm |
| Foundry | Intel | GlobalFoundries |
| Transistors | None listed | 4,950 million |
| Die Size | None listed | 210 mm² |
| L1 Cache | 64 KB (per core) | 96 KB (per core) |
| L2 Cache | 4.5 MB (per module) | 512 KB (per core) |
| L3 Cache | None | 4 MB (shared) |
| ECC Memory | Yes | No |
| Integrated Graphics | N/A | Radeon Vega 6 |
| Market Segment | Server/Workstation | Mobile |
| Release Date | 2022-06-05 | 2018-01-07 |
| Launch MSRP | $213 | None listed |
| Part Number | SRL3Y | YM2300C4T4MFB |
Head-to-Head Benchmarks
The only direct comparison in the data is a single Cinebench R15 multi-core test. This test is decisive. The AMD Ryzen 3 2300U scored 422.5 points, while the Intel Atom C5315 managed only 255 points. This translates to a 39.6% performance deficit for the Atom. This is a substantial margin and indicates that the Ryzen 3 2300U is far more capable in multi-threaded applications, such as video rendering, software compilation, or any modern workload that can utilize all four cores. The Atom's 255-point score, in contrast, places it at a level where it would struggle with such tasks. While the Atom C5315 has a higher base clock (2.40 GHz vs 2.00 GHz), it lacks a boost clock, meaning it cannot dynamically increase its frequency to handle short bursts of intensive work. The Ryzen 3 2300U's ability to boost up to 3.40 GHz likely contributes significantly to its superior multi-core performance. Furthermore, the Ryzen 3 2300U's more traditional cache layout with a shared 4 MB L3 cache may also provide a benefit in certain workloads compared to the Atom's module-based L2 cache. The data shows one win for the Ryzen 3 2300U and zero for the Atom C5315 in this head-to-head comparison.
Where Each One Wins
Based strictly on the benchmark data, the AMD Ryzen 3 2300U wins in the only head-to-head test available. In multi-core performance, it is 39.6% faster than the Intel Atom C5315. This makes it the clear choice for any application that can leverage multiple cores, including modern productivity suites, photo and video editing, and multitasking. The Ryzen 3 2300U also has a significant advantage in power efficiency, with a 15 W TDP compared to the Atom's 38 W, making it a better fit for laptops and other mobile devices where battery life is paramount.
The Intel Atom C5315, on the other hand, does not win any direct benchmark comparison in this data. Its advantages are not in raw performance but in specific feature sets. It is the only one of the two to support ECC memory, which is a critical feature for servers and workstations where data integrity and stability are non-negotiable. Its market segment is listed as "Server/Workstation," and it has a launch MSRP of $213. This suggests that its intended role is not general-purpose computing but rather a low-power, always-on server processor for tasks like network attached storage (NAS), firewalls, or dedicated web serving, where ECC support and a specific socket (Intel BGA 2106) are more important than the highest possible benchmark score. For a user needing a general-purpose CPU, the data clearly points to the Ryzen 3 2300U. For a user building a low-power server that requires ECC memory, the Atom C5315's feature set is the differentiator, even if its multi-core performance is significantly lower.