AMD Ryzen 3 7320U vs Intel Xeon E3-1575M v5 Comparison

# FAQ

Q: Which processor wins the most head-to-head benchmarks in this comparison?

A: The AMD Ryzen 3 7320U wins three of the four direct comparisons, taking Cinebench R15 multi-core, Cinebench R15 single-core, and Cinebench R23 single-core. The Intel Xeon E3-1575M v5 wins only one: Cinebench R23 multi-core.

Q: How large is the AMD chip's single-core lead in Cinebench R15?

A: The Ryzen 3 7320U scores 162.4 versus the Xeon's 93, a massive 74.6% advantage. This is the largest delta in any shared benchmark between the two parts.

Q: Does the Intel Xeon ever beat the AMD part in multi-core workloads?

A: Yes, in Cinebench R23 multi-core, the Xeon scores 6607 against the Ryzen's 4809, a 27.2% lead. This is the only benchmark in the head-to-head set where Intel wins.

Q: Are both processors rated at the same percentile among all CPUs?

A: Yes, both sit at the 43rd percentile. Despite very different benchmark distributions, their overall average scores are nearly identical: 1916 for AMD and 1910 for Intel.

Q: What are the TDP ratings for each chip?

A: The AMD Ryzen 3 7320U has a 15W TDP, while the Intel Xeon E3-1575M v5 has a 45W TDP. The AMD part consumes one-third the power budget.

Q: Which processor supports ECC memory?

A: Only the Intel Xeon E3-1575M v5 supports ECC memory. The AMD Ryzen 3 7320U does not, which aligns with the Xeon's server/workstation market segment.

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Architecture Differences

The AMD Ryzen 3 7320U and Intel Xeon E3-1575M v5 represent two fundamentally different design philosophies separated by nearly seven years of silicon evolution. The AMD part uses the Zen 2 architecture on a 6 nm TSMC process, codenamed Mendocino, while Intel's chip relies on the older Skylake architecture on a 14 nm Intel process, codenamed Skylake-H.

Process technology is the most visible divide. AMD's 6 nm node allows a die size of just 100 mm², whereas Intel's 14 nm node requires a substantially larger 171 mm² die. Intel's transistor count is listed at 2,300 million; AMD's transistor count is not specified in the data, but the smaller die and newer node imply greater density. The AMD chip also has a newer release date, hitting the market on 2022-09-19, compared to Intel's 2016-01-23 launch.

Cache hierarchies differ notably. Both share 64 KB of L1 per core, but AMD provides 512 KB of L2 per core versus Intel's 256 KB per core. The L3 cache flips the advantage: Intel offers 8 MB shared, double AMD's 4 MB shared. This trade-off suggests AMD favors per-core responsiveness while Intel leans on a larger shared pool.

Memory support is another differentiator. The Ryzen 3 7320U uses LPDDR5 with dual-channel support and 88.0 GB/s bandwidth, while the Xeon supports DDR3 and DDR4 with dual-channel and only 34.1 GB/s bandwidth. AMD's memory bandwidth is more than 2.5 times higher. ECC memory is supported only on the Intel side, a server-oriented feature. PCIe capability also diverges: AMD offers Gen 3 with 4 lanes (CPU only), while Intel offers Gen 3 with 16 lanes (CPU only).

Integrated graphics differ as well. AMD pairs the CPU with a Radeon 610M, while Intel includes Iris Pro Graphics P580. The Xeon targets server/workstation use, while the Ryzen is a mobile part on AMD Socket FT6. Intel uses BGA 1440.

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Where Each One Wins

The benchmark data splits cleanly by workload type and generation. The AMD Ryzen 3 7320U dominates in single-threaded tasks and older multi-threaded workloads. Its Cinebench R15 single-core score of 162.4 versus 93 is a 74.6% win, and its R23 single-core score of 1095 versus 932 is a 17.5% win. For everyday responsiveness, legacy applications, and lightly threaded software, AMD is clearly ahead.

The Intel Xeon E3-1575M v5 wins only in modern multi-threaded rendering. Its Cinebench R23 multi-core score of 6607 against AMD's 4809 represents a 27.2% advantage. This suggests that in sustained, heavily threaded workloads like modern video encoding or 3D rendering, the Xeon's larger L3 cache and higher base clock help it pull ahead.

Interestingly, in Cinebench R15 multi-core, AMD wins with 790 versus 665 (an 18.8% lead). The older benchmark favors AMD, while the newer R23 favors Intel. This indicates that Intel's architecture scales better with the more demanding R23 test, whereas AMD's efficiency advantage shows up in older test conditions.

Average benchmark scores are nearly tied: 1916 for AMD and 1910 for Intel, a 0.3% gap. Both rank at the 43rd percentile of all CPUs. This means that despite the stark single-thread differences, the overall compute capability is comparable. The choice depends entirely on the workload profile.

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Specification Differences

| Specification | AMD Ryzen 3 7320U | Intel Xeon E3-1575M v5 |

|---|---|---|

| Cores | 4 | 4 |

| Threads | 8 | 8 |

| Base Clock | 2.40 GHz | 3.00 GHz |

| Boost Clock | 4.10 GHz | 3.90 GHz |

| TDP | 15 W | 45 W |

| Socket | AMD Socket FT6 | Intel BGA 1440 |

| Architecture | Zen 2 | Skylake |

| Codename | Mendocino | Skylake-H |

| Process Node | 6 nm | 14 nm |

| Foundry | TSMC | Intel |

| Die Size | 100 mm² | 171 mm² |

| Transistors | Not specified | 2,300 million |

| L2 Cache | 512 KB (per core) | 256 KB (per core) |

| L3 Cache | 4 MB (shared) | 8 MB (shared) |

| Memory Support | LPDDR5 | DDR3, DDR4 |

| Memory Bandwidth | 88.0 GB/s | 34.1 GB/s |

| ECC Memory | No | Yes |

| PCIe | Gen 3, 4 Lanes | Gen 3, 16 Lanes |

| Integrated Graphics | Radeon 610M | Iris Pro Graphics P580 |

| Market Segment | Mobile | Server/Workstation |

| Production Status | Active | End-of-life |

| Release Date | 2022-09-19 | 2016-01-23 |

| Launch MSRP | Not listed | $1207 |

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Head-to-Head Benchmarks

The direct comparison reveals a lopsided battlefield. In Cinebench R15 single-core, AMD scores 162.4 against Intel's 93, a 74.6% victory. This is the defining result of the entire comparison: the Ryzen 3 7320U delivers nearly double the single-thread performance of the Xeon in this test. The gap stems from the massive clock efficiency advantage of Zen 2 at a lower 15W TDP.

Cinebench R23 single-core tightens the race but still favors AMD: 1095 versus 932, a 17.5% lead. The newer benchmark narrows Intel's deficit, but AMD remains ahead. The Xeon's higher 3.00 GHz base clock cannot compensate for the architectural efficiency of the 6 nm Zen 2 design.

In Cinebench R15 multi-core, AMD wins again with 790 versus 665, an 18.8% margin. This result is notable because it shows AMD's multi-core advantage in the older test, despite having the same core and thread counts. The combination of higher boost clock (4.10 GHz vs 3.90 GHz) and larger L2 cache likely drives this win.

The only Intel victory comes in Cinebench R23 multi-core, where the Xeon scores 6607 against AMD's 4809, a 27.2% margin. This is a dramatic reversal. The Xeon's 8 MB L3 cache and higher base clock appear to help in sustained, heavily threaded modern workloads. AMD's 4 MB L3 cache may bottleneck under the R23 multi-core load.

Interestingly, the Intel part has no Cinebench R20 scores listed, while AMD lacks R20 data as well. The shared benchmarks are limited to R15 and R23. Across these four tests, AMD wins three and Intel wins one. The average scores remain nearly tied, confirming that neither chip is a clear overall winner.

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The Verdict

The data tells a clear story of workload-dependent value. The AMD Ryzen 3 7320U is the pick for users prioritizing single-thread performance, older application compatibility, and power efficiency. Its 74.6% lead in Cinebench R15 single-core and 17.5% lead in R23 single-core make it the better choice for general desktop responsiveness, office work, and lightly threaded software. The 15W TDP versus 45W TDP also makes it dramatically more efficient for mobile or compact systems.

The Intel Xeon E3-1575M v5 earns its place for modern multi-threaded rendering. Its 27.2% win in Cinebench R23 multi-core shows that, in the most demanding contemporary workloads, the older Skylake design with its 8 MB L3 cache can outmuscle the newer Zen 2 chip. The Xeon's ECC memory support and 16 PCIe Gen 3 lanes also make it suitable for server or workstation environments where data integrity and expansion matter.

However, the Xeon is end-of-life, while the Ryzen is active. The Xeon carries a launch MSRP of $1207, though pricing considerations are not part of this analysis. Both parts sit at the 43rd percentile and have nearly identical average scores, so the decision hinges on specific workload patterns rather than overall capability.

For most users, the AMD Ryzen 3 7320U is the stronger recommendation. It wins more benchmarks, has a decisive single-thread advantage, uses one-third the power, and comes from an active product line. The Intel Xeon E3-1575M v5 appeals only to those running modern heavily threaded workloads that specifically benefit from its larger L3 cache and who require ECC memory. The data supports AMD for general use and Intel for niche server-oriented rendering tasks.