AMD Ryzen 7 9800X3D vs Intel Core 5 315 Comparison

Where Each One Wins

The benchmark data presents an unambiguous split: the AMD Ryzen 7 9800X3D wins all 15 recorded head-to-head comparisons against the Intel Core 5 315. There are zero wins for the Intel part across the entire tested suite, which spans Cinebench R15 and R23, plus PassMark workloads covering compression, encryption, extended instructions, prime number finding, floating point math, integer math, multithread, physics, random string sorting, and single-thread tests.

This is not a close contest by any measure. The database shows the AMD processor holds an average benchmark score of 39,768, placing it in the 87th percentile of all CPUs. The Intel Core 5 315 averages 18,188, good for the 72nd percentile. The gap between their average scores is roughly 21,580 points, which places them in entirely different performance strata. The AMD chip's nearest rivals include the AMD Ryzen 7 PRO 8840HS (39,603, just 0.4 percent behind), the AMD Ryzen AI 9 365 (40,048, 0.7 percent ahead), the AMD Ryzen AI 7 450 (39,485, 0.7 percent behind), and the AMD Ryzen 7 7700 (40,081, 0.8 percent ahead). The Intel part's nearest rivals are the AMD EPYC 9274F (18,189, exactly tied), the Intel Core i7-9700 (18,180, tied), the Intel Core i7-1365U (18,177, 0.1 percent ahead), and the AMD Ryzen 7 5700U (18,176, 0.1 percent ahead).

For single-threaded tasks, the AMD advantage is real but modest. PassMark single-thread scores show 4,430 versus 4,021, a 10.2 percent edge. Cinebench R23 single-core shows 2,080 versus 1,832, a 13.5 percent lead. This means the AMD part is better for lightly threaded workloads like everyday application responsiveness, but the Intel part is not dramatically far behind in that specific domain.

For multi-threaded and heavily parallel workloads, the AMD processor dominates by wide margins. Cinebench R23 multi-core shows 23,230 versus 12,981, a 79 percent gap. PassMark multithread shows 40,009 versus 15,272, a 162 percent lead. The largest deltas appear in integer math (268.3 percent), prime number finding (277.7 percent), physics (251.1 percent), and data compression (220.2 percent). These are workloads where core count, thread count, and cache size matter most, and the AMD part has decisive advantages in all three.

FAQ

Q: Which processor has better single-thread performance?

A: The AMD Ryzen 7 9800X3D wins every single-thread benchmark in the database. Cinebench R23 single-core shows 2,080 versus 1,832 (13.5 percent ahead), and PassMark single-thread shows 4,430 versus 4,021 (10.2 percent ahead).

Q: How large is the multi-threaded performance gap?

A: The AMD part leads by 79 percent in Cinebench R23 multi-core (23,230 versus 12,981) and by 162 percent in PassMark multithread (40,009 versus 15,272). The largest multi-thread delta is in prime number finding at 277.7 percent.

Q: Which processor consumes less power?

A: The Intel Core 5 315 has a 15 watt TDP, while the AMD Ryzen 7 9800X3D has a 120 watt TDP. The Intel part is rated for significantly lower power draw.

Q: Do both processors support ECC memory?

A: No. The AMD Ryzen 7 9800X3D supports ECC memory, while the Intel Core 5 315 does not.

Q: Which processor has a higher boost clock?

A: The AMD Ryzen 7 9800X3D boosts to 5.20 GHz, while the Intel Core 5 315 boosts to 4.40 GHz. The AMD part also has a higher base clock at 4.70 GHz versus 1.50 GHz.

Q: What are the memory bandwidth differences?

A: The AMD part supports dual-channel memory with 89.6 GB/s bandwidth. The Intel part uses single-channel memory with 59.7 GB/s bandwidth.

Head-to-Head Benchmarks

The head-to-head table shows a clean sweep for the AMD Ryzen 7 9800X3D across all 15 benchmark comparisons. The smallest margins appear in single-thread tests, where the AMD lead narrows to 10.2 percent in PassMark single-thread (4,430 versus 4,021) and 13.5 percent in Cinebench R23 single-core (2,080 versus 1,832). These results indicate that for basic single-core responsiveness, the Intel part is reasonably competitive, though still behind.

The mid-range gaps appear in floating point math and encryption. PassMark floating point math shows 79,456 versus 42,441, an 87.2 percent lead. Data encryption shows 22,158 versus 11,119, a 99.3 percent advantage. These workloads benefit from the AMD part's higher clock speeds and larger caches, but the Intel part still manages respectable absolute scores.

The extreme deltas concentrate in integer-heavy and physics-based workloads. PassMark integer math shows 116,709 versus 31,690, a 268.3 percent lead. PassMark physics shows 4,083 versus 1,163, a 251.1 percent gap. Prime number finding shows 423 versus 112, a 277.7 percent advantage. Data compression shows 468,017 versus 146,143, a 220.2 percent lead. Extended instructions show 38,808 versus 13,143, a 195.3 percent gap. Random string sorting shows 48,526 versus 17,551, a 176.5 percent lead. These are workloads where the AMD part's 8 cores and 16 threads simply overwhelm the Intel part's 6 cores and 6 threads.

Cinebench R15 results follow the same pattern. Multi-core shows 3,647 versus 1,308, a 178.8 percent lead. Single-core shows 328 versus 184, a 78.3 percent advantage. The Cinebench R23 multi-core result of 23,230 versus 12,981 (79 percent) confirms that the AMD part sustains its advantage across both older and newer rendering workloads.

Specification Differences

The two processors differ in nearly every fundamental specification. The AMD Ryzen 7 9800X3D has 8 cores and 16 threads, while the Intel Core 5 315 has 6 cores and 6 threads. The AMD part's base clock is 4.70 GHz with a boost of 5.20 GHz; the Intel part sits at 1.50 GHz base and 4.40 GHz boost. TDP ratings diverge sharply: 120 watts for AMD versus 15 watts for Intel.

Socket types are incompatible. The AMD part uses AMD Socket AM5, while the Intel part uses Intel BGA 1516. The AMD processor targets the desktop market segment, and the Intel processor targets mobile. The AMD part has an unlocked multiplier; the Intel part does not. Launch MSRP for the AMD part is $479, and launch MSRP for the Intel part is $340.

Memory support differs in channel configuration and bandwidth. The AMD part supports DDR5 in dual-channel mode with 89.6 GB/s bandwidth. The Intel part supports DDR5 and LPDDR5X in single-channel mode with 59.7 GB/s bandwidth. ECC memory is supported only on the AMD side.

PCIe capabilities also diverge. The AMD part provides Gen 5 with 24 lanes (CPU only), while the Intel part provides Gen 4 with 6 lanes (CPU only). Integrated graphics differ: the AMD part uses Radeon Graphics, and the Intel part uses Intel Xe3 Graphics with 2 Xe cores. The AMD part was released on 2024-11-06, while the Intel part has a release date of 2026-04-15.

Architecture Differences

The AMD Ryzen 7 9800X3D belongs to the 9000 series and uses the Zen 5 architecture under the Granite Ridge codename. It is built on a 4 nm process at TSMC with 8,315 million transistors on a 70.6 mm² die. The Intel Core 5 315 uses the Wildcat Lake codename under the Core 5 generation and is built on a 3 nm process at Intel. The database does not list transistor count or die size for the Intel part.

Cache configurations differ substantially. The AMD part has 80 KB of L1 cache per core, 1 MB of L2 cache per core, and 96 MB of shared L3 cache. The Intel part has 192 KB of L1 cache, 2.5 MB of L2 cache, and 6 MB of shared L3 cache. The AMD L3 cache is 16 times larger than the Intel L3 cache, which explains the massive advantages in data compression, integer math, and prime number finding workloads that benefit from large resident datasets.

The manufacturing approach also differs. AMD uses TSMC as its foundry, while Intel uses its own foundry. The process nodes are close (4 nm versus 3 nm), but the architectural philosophies diverge: AMD pairs higher core counts with very large shared caches, while Intel uses fewer cores, lower clocks, and a much smaller power envelope for its mobile-focused design. The Intel part's single-channel memory bus and 6 PCIe Gen 4 lanes reflect its mobile positioning, while the AMD part's dual-channel memory and 24 PCIe Gen 5 lanes indicate a desktop-first design.

The Verdict

The data supports a clear conclusion: the AMD Ryzen 7 9800X3D is the superior performer across every benchmark in the database. Its 15 wins out of 15 head-to-head comparisons, combined with an average benchmark score 21,580 points higher than the Intel Core 5 315, leave no ambiguity about raw performance. The AMD part leads by double digits in single-thread tests and by triple digits in several multi-threaded workloads, making it the appropriate choice for users who prioritize compute throughput, large cache workloads, and high memory bandwidth.

The Intel Core 5 315 has its own strengths, but they are not reflected in the benchmark suite. Its 15 watt TDP versus 120 watts for the AMD part, its mobile socket (Intel BGA 1516), and its single-channel memory bus suggest it is designed for power-constrained portable systems rather than maximum performance. The Intel part's 72nd percentile ranking and its tight clustering with the AMD EPYC 9274F, Intel Core i7-9700, Intel Core i7-1365U, and AMD Ryzen 7 5700U (all within 0.1 percent of its average score) indicate it delivers performance consistent with mid-range mobile processors from several generations ago.

The AMD part's 87th percentile ranking and its proximity to the AMD Ryzen 7 7700 (0.8 percent ahead) and AMD Ryzen AI 9 365 (0.7 percent behind) place it in a higher performance tier entirely. For desktop users with access to AM5 motherboards, the AMD part offers unlocked overclocking, ECC memory support, dual-channel DDR5, and 96 MB of L3 cache. For mobile users prioritizing battery life and low power draw, the Intel part provides a 15 watt envelope and integrated Intel Xe3 Graphics, though benchmark results show it sacrifices significant compute capability to achieve that efficiency.

The choice depends on the target platform and workload profile. Systems requiring maximum multi-threaded throughput, large cache performance, and memory bandwidth should select the AMD Ryzen 7 9800X3D. Systems prioritizing low power consumption and mobile form factors should select the Intel Core 5 315, accepting its substantial performance deficit in exchange for the 105 watt TDP reduction and BGA 1516 compatibility.