AMD Ryzen 5 3500U vs Intel Xeon E3-1565L v5 Comparison

Head-to-Head Benchmarks

The benchmark data shows a clear split between these two processors, with the Intel Xeon E3-1565L v5 taking 9 of the 13 recorded head-to-head tests while the AMD Ryzen 5 3500U claims 4 wins. However, the magnitude of the victories tells a more nuanced story than the raw win count.

The AMD Ryzen 5 3500U's most decisive win comes in Cinebench R15 single-core, where it scores 143 against the Xeon's 88, a commanding 38.5% advantage. This is the largest percentage gap in either direction across all head-to-head tests. The Ryzen also dominates in PassMark data encryption, scoring 6013 versus 2314, a 61.5% deficit for the Intel part. In Cinebench R15 multi-core, the AMD edges ahead with 650 versus 627, a modest 3.5% margin. The Ryzen's fourth win comes in PassMark integer math, where it scores 24732 against 23335, a 5.6% advantage.

The Intel Xeon E3-1565L v5 responds with several substantial wins of its own. The most striking is in PassMark find prime numbers, where it scores 43 versus the Ryzen's 15, a 186.7% advantage. PassMark physics shows a 116.3% lead with scores of 794 versus 367. In PassMark extended instructions, the Xeon posts 6031 against 3560, a 69.4% margin. Floating point math goes to Intel at 14547 versus 12485, a 16.5% lead. The Xeon also wins PassMark multithread (7325 versus 6858, 6.8%), random string sorting (11543 versus 11029, 4.7%), and single-thread tests (1970 versus 1924, 2.4%). The narrowest Intel win is data compression, 94771 versus 94555, a razor-thin 0.2% margin.

Looking at the overall averages, the AMD Ryzen 5 3500U holds a higher average benchmark score of 11176 compared to the Xeon's 10320, yet both CPUs sit at the 66th percentile among all recorded processors. The Ryzen's nearest rival, the Intel Xeon Gold 6336Y, is essentially tied at 11191 (0.1% higher), while the Xeon's closest competitor, the Intel Xeon Gold 6312U, sits at 10291, just 0.3% lower. These context figures suggest both parts perform in a similar overall tier despite their divergent workload strengths.

The Verdict

The data indicates two distinctly different processors targeting different priorities. The AMD Ryzen 5 3500U is the choice for single-threaded responsiveness and encryption-heavy workloads. Its 38.5% lead in Cinebench R15 single-core and 61.5% lead in data encryption are not trivial margins; they represent real-world advantages for interactive tasks and security-related processing.

The Intel Xeon E3-1565L v5 is the pick for compute-heavy integer and physics workloads. The 186.7% lead in prime number finding and 116.3% lead in physics calculations demonstrate a substantial edge in mathematical and simulation-oriented tasks. Its 69.4% advantage in extended instructions also signals strength in specialized instruction sets.

Given that both processors share 4 cores and 8 threads, the architectural differences drive these performance splits rather than core count. The Intel part's higher base clock of 2.50 GHz versus 2.10 GHz helps in some multi-threaded tests, while the AMD's higher boost clock of 3.70 GHz versus 3.50 GHz contributes to its single-core advantage. The Ryzen's lower TDP of 15 watts versus the Xeon's 35 watts also positions it for thermally constrained environments, though the Xeon's server/workstation heritage shows in its ECC memory support and 34.1 GB/s memory bandwidth.

FAQ

Q: Which processor is faster in single-core performance?

A: The AMD Ryzen 5 3500U is significantly faster, scoring 143 in Cinebench R15 single-core versus the Intel Xeon E3-1565L v5's 88, a 38.5% difference. In PassMark single-thread tests, however, the Intel part narrowly leads 1970 versus 1924, a 2.4% margin.

Q: How do the two compare in multi-core workloads?

A: The AMD Ryzen 5 3500U wins Cinebench R15 multi-core with 650 versus 627, a 3.5% margin. The Intel Xeon E3-1565L v5 wins PassMark multithread with 7325 versus 6858, a 6.8% advantage. Results vary by benchmark methodology.

Q: Which CPU is better for encryption tasks?

A: The AMD Ryzen 5 3500U dominates data encryption, scoring 6013 in PassMark versus the Intel Xeon's 2314, a 61.5% advantage.

Q: Does the Intel Xeon support ECC memory?

A: Yes, the Intel Xeon E3-1565L v5 supports ECC memory. The AMD Ryzen 5 3500U does not.

Q: What are the power consumption differences?

A: The AMD Ryzen 5 3500U has a TDP of 15 watts, while the Intel Xeon E3-1565L v5 has a TDP of 35 watts.

Q: Which processor has a higher average benchmark score?

A: The AMD Ryzen 5 3500U has an average benchmark score of 11176, compared to the Intel Xeon E3-1565L v5's 10320. Both rank at the 66th percentile among all CPUs.

Specification Differences

The two processors differ in nearly every specification category. The Intel Xeon E3-1565L v5 uses an Intel BGA 1440 socket, while the AMD Ryzen 5 3500U uses AMD Socket FP5. Base clocks differ by 0.40 GHz, with the Intel part at 2.50 GHz and the AMD at 2.10 GHz. Boost clocks are closer, with the AMD at 3.70 GHz and the Intel at 3.50 GHz. TDP is a major differentiator: 35 watts for the Intel versus 15 watts for the AMD.

Memory support varies, with the Intel part accepting both DDR3 and DDR4, while the AMD supports DDR4 only. Both use dual-channel memory buses, but the Intel Xeon has a recorded memory bandwidth of 34.1 GB/s, while the AMD's bandwidth is not recorded. ECC memory is supported only on the Intel part. PCIe connectivity differs as well, with the Intel offering Gen 3 with 16 CPU lanes, while the AMD specifies Gen 3 without a lane count.

Integrated graphics are distinct: the Intel Xeon features Iris Pro Graphics P580, while the AMD Ryzen 5 3500U includes Radeon Vega 8. Market segments also differ, with the Intel positioned for server/workstation use and the AMD for mobile. The Intel part is end-of-life and launched on 2016-05-30 with a launch MSRP of $417, while the AMD remains active and launched on 2019-01-05 with no recorded MSRP. Neither processor has an unlocked multiplier.

Architecture Differences

The manufacturing and design approaches diverge significantly. The Intel Xeon E3-1565L v5 uses a 14 nm process at Intel's foundry, while the AMD Ryzen 5 3500U uses a 12 nm process at GlobalFoundries. Transistor counts differ substantially, with the AMD part containing 4,940 million transistors versus the Intel's 2,300 million, despite the AMD's larger die size of 210 mm² compared to 171 mm².

Cache hierarchies are structured differently. The Intel Xeon allocates 64 KB of L1 cache and 256 KB of L2 cache per core, with 8 MB of shared L3 cache. The AMD Ryzen 5 3500U provides 96 KB of L1 cache and 512 KB of L2 cache per core, but only 4 MB of shared L3 cache. This means the Intel part has twice the L3 capacity, while the AMD part has larger per-core L1 and L2 allocations.

Architecturally, the Intel Xeon is built on the Skylake architecture under the codename Skylake-H, classified in the Xeon E3 generation. The AMD Ryzen 5 3500U uses the Zen+ architecture under the codename Picasso, belonging to the Ryzen 5 3000 series generation. The Intel foundry produced the Xeon, while GlobalFoundries produced the AMD chip. Part numbers also differ: the Intel is SR2R8, and the AMD is YM3500C4T4MFG. The Intel part's server/workstation classification aligns with its ECC support and memory bandwidth specification, while the AMD's mobile classification aligns with its lower TDP and active production status.

Where Each One Wins

The Intel Xeon E3-1565L v5 wins in computational density and specialized instruction workloads. Its 186.7% lead in prime number finding and 116.3% lead in physics calculations make it the stronger choice for simulation, mathematical modeling, and scientific computing. The 69.4% edge in extended instructions suggests better support for advanced instruction sets, while the 16.5% floating point lead and 6.8% multithread advantage reinforce its suitability for number-crunching tasks. The Xeon's 4.7% random string sorting win and 2.4% single-thread lead add minor but consistent advantages in general processing. Its ECC memory support and server/workstation segment classification point toward reliability-focused deployments.

The AMD Ryzen 5 3500U wins decisively in single-core responsiveness, with a 38.5% Cinebench R15 single-core lead, and in encryption, with a 61.5% data encryption advantage. Its 5.6% integer math win and 3.5% Cinebench R15 multi-core win round out its profile. The lower TDP of 15 watts makes it suitable for power-sensitive mobile environments, and its active production status means continued availability. The Ryzen's larger L1 and L2 caches per core may contribute to its single-thread efficiency, while its higher boost clock of 3.70 GHz supports burst performance.

Users prioritizing encryption throughput, interactive responsiveness, and power efficiency should favor the AMD Ryzen 5 3500U. Users prioritizing physics calculations, prime number operations, extended instruction performance, and ECC memory support should favor the Intel Xeon E3-1565L v5. The data shows a complementary split rather than a clear overall winner, with each processor leading in the workloads its architecture was designed to serve.