AMD Ryzen 3 5400U vs Intel Xeon D-1577 Comparison

FAQ

Q: Which processor has more cores and threads?

A: The Intel Xeon D-1577 offers 16 cores and 32 threads, while the AMD Ryzen 3 5400U has 4 cores and 8 threads. The Xeon provides four times the core count and thread count.

Q: Which processor has a higher boost clock?

A: The AMD Ryzen 3 5400U boosts to 4.00 GHz, whereas the Intel Xeon D-1577 boosts to 2.10 GHz. The Ryzen has a significantly higher maximum clock speed.

Q: Which processor supports ECC memory?

A: The Intel Xeon D-1577 supports ECC memory. The AMD Ryzen 3 5400U does not support ECC memory.

Q: Which processor has a lower TDP?

A: The AMD Ryzen 3 5400U has a TDP of 15 watts, while the Intel Xeon D-1577 has a TDP of 45 watts. The Ryzen is the lower-power part.

Q: Which processor includes integrated graphics?

A: The AMD Ryzen 3 5400U includes Radeon Vega 6 integrated graphics. The Intel Xeon D-1577 has no integrated graphics.

Q: Which processor has a higher average benchmark score?

A: The AMD Ryzen 3 5400U has an average benchmark score of 2765, while the Intel Xeon D-1577 has an average benchmark score of 2715. The Ryzen leads in the aggregate metric.

Architecture Differences

The AMD Ryzen 3 5400U and Intel Xeon D-1577 come from fundamentally different design philosophies. The Ryzen 3 5400U is a mobile processor built on Zen 3 architecture with the Cezanne-U codename, manufactured on a 7 nm process at TSMC. The Xeon D-1577 is a server and workstation part based on Broadwell architecture with the Broadwell-DE codename, built on Intel's 14 nm process at Intel foundries.

The transistor counts reveal the design gap. The Ryzen 3 5400U packs 10,700 million transistors into a 180 mm² die. The Xeon D-1577 contains 3,200 million transistors on a larger 246 mm² die. The newer 7 nm process allows the AMD part to integrate far more transistors in a smaller area.

Cache hierarchies differ notably. Both processors share a 64 KB L1 cache per core. The Ryzen 3 5400U has 512 KB L2 cache per core and 8 MB of shared L3 cache. The Xeon D-1577 has 256 KB L2 cache per core and 1.5 MB L3 cache per core. The AMD part's larger per-core L2 and shared L3 give it a cache advantage for workloads that fit within the shared pool.

Memory support splits along market lines. The Ryzen 3 5400U supports DDR4 with dual-channel memory and 51.2 GB/s bandwidth. The Xeon D-1577 supports both DDR3 and DDR4 in dual-channel configuration, but its memory bandwidth is not recorded in the database. ECC memory is supported only on the Xeon, a defining feature for server reliability.

PCIe connectivity differs substantially. The Xeon D-1577 offers 24 PCIe Gen 3 lanes from the CPU, while the Ryzen 3 5400U provides only 8 PCIe Gen 3 lanes. The Xeon's lane count suits server expansion needs, while the Ryzen's limited lanes fit a mobile platform.

Socket and platform targets also separate these parts. The Ryzen 3 5400U uses AMD Socket FP6, while the Xeon D-1577 uses Intel BGA 1667. Neither processor has an unlocked multiplier. The Ryzen 3 5400U belongs to the 5000 series and was released in January 2021. The Xeon D-1577 was released in February 2016.

Where Each One Wins

The recorded benchmarks show a remarkably tight contest despite the architectural gulf. The Intel Xeon D-1577 wins all six head-to-head benchmark comparisons, but every margin is small, ranging from a 0.4% to 0.8% difference. The Xeon's 16 cores and 32 threads do not translate into a multicore rout as one might expect from the core count disparity.

The AMD Ryzen 3 5400U wins in the aggregate average benchmark score. Its average of 2765 tops the Xeon's 2715. This suggests that the Ryzen's higher clock speeds and newer architecture compensate for the core deficit across the broader benchmark mix beyond the Cinebench suite.

The Ryzen 3 5400U is the clear choice for power-constrained and mobile scenarios. Its 15 W TDP versus 45 W for the Xeon makes it far better suited for laptops and portable devices. The integrated Radeon Vega 6 graphics eliminate the need for a separate GPU in basic display tasks. The Xeon D-1577 has no integrated graphics, requiring a discrete adapter.

The Xeon D-1577 wins for server and workstation reliability requirements. ECC memory support and 24 PCIe Gen 3 lanes position it for data integrity and expansion-heavy workloads. Its dual-channel DDR3 and DDR4 memory support adds flexibility for legacy server memory infrastructure.

The launch MSRP of the Xeon D-1577 is 1379. The Ryzen 3 5400U has no recorded launch MSRP in the database.

Specification Differences

The two processors differ across nearly every core specification. The Ryzen 3 5400U has 4 cores and 8 threads, while the Xeon D-1577 has 16 cores and 32 threads. Base clocks diverge sharply: the Ryzen runs at 2.60 GHz, the Xeon at 1300.00 MHz. Boost clocks also differ, with the Ryzen at 4.00 GHz and the Xeon at 2.10 GHz.

TDP ratings separate these parts by market segment. The Ryzen 3 5400U draws 15 W, the Xeon D-1577 draws 45 W. Socket types differ: AMD Socket FP6 versus Intel BGA 1667. The manufacturing process favors AMD at 7 nm versus Intel's 14 nm. Transistor counts and die sizes differ as recorded: 10,700 million transistors on 180 mm² for AMD, 3,200 million on 246 mm² for Intel.

Cache configuration differs in L2 and L3. The Ryzen 3 5400U has 512 KB L2 per core and 8 MB shared L3. The Xeon D-1577 has 256 KB L2 per core and 1.5 MB L3 per core. Memory support overlaps on DDR4 but the Xeon adds DDR3. Memory bandwidth is 51.2 GB/s for the Ryzen, unrecorded for the Xeon. ECC memory is supported only on the Xeon.

PCIe lanes differ significantly: 8 lanes for the Ryzen versus 24 lanes for the Xeon, both Gen 3. Integrated graphics exist only on the Ryzen with Radeon Vega 6. Market segments differ: Mobile for the Ryzen, Server/Workstation for the Xeon. Release dates are January 2021 for the Ryzen and February 2016 for the Xeon. The launch MSRP of 1379 exists only for the Xeon. Both processors have locked multipliers.

Head-to-Head Benchmarks

The head-to-head results present a striking picture of near-identical performance. In Cinebench R15 multicore, the Xeon D-1577 scores 946 against the Ryzen 3 5400U's 942, a 0.4% margin. Single-core R15 shows the Xeon at 133 versus 132, a 0.8% difference. These margins are within run-to-run variance territory.

Cinebench R20 multicore gives the Xeon 3943 against 3927 for the Ryzen, again a 0.4% gap. Single-core R20 shows 556 versus 554, a 0.4% margin. The pattern holds in Cinebench R23: multicore 9389 versus 9350, single-core 1325 versus 1320. Every head-to-head benchmark winner is the Intel Xeon D-1577, and every margin is 0.4% except the R15 single-core at 0.8%.

The database does not record Geekbench results for the Xeon D-1577. The Ryzen 3 5400U has Geekbench multicore and single-core scores of 4473 and 1419 respectively. These scores are not directly comparable in the head-to-head table but contribute to the Ryzen's higher average benchmark score of 2765 against the Xeon's 2715.

The Ryzen 3 5400U sits at the 50th percentile of all CPUs, matching the Xeon D-1577's 50th percentile. The Ryzen's nearest rivals include the AMD Ryzen 3 PRO 4350GE at 2767 average score and 0.1% behind, the Intel Xeon D-1567 at 2770 and 0.2% behind, and the AMD Ryzen 3 4300GE at 2759 and 0.2% ahead. The Xeon D-1577's nearest rivals include the Intel Core i7-11390H at 2715 with no difference, the AMD Ryzen 5 PRO 5650U at 2713 and 0.1% ahead, and the Intel Xeon E-2226G at 2709 and 0.2% ahead.

The Verdict

The benchmark data indicates that the Intel Xeon D-1577 is the performance winner in every recorded Cinebench test, but the margins are so thin that the result is effectively a statistical tie. A 0.4% to 0.8% difference across six tests does not represent a meaningful performance advantage in real-world use. The Xeon's 16 cores and 32 threads fail to produce a decisive multicore lead over the Ryzen 3 5400U's 4 cores and 8 threads in these specific render workloads.

The AMD Ryzen 3 5400U takes the aggregate average benchmark crown with 2765 versus 2715. This overall metric, combined with a 15 W TDP and integrated Radeon Vega 6 graphics, makes the Ryzen the sensible pick for mobile laptops and low-power systems. Its higher boost clock of 4.00 GHz and newer Zen 3 architecture deliver comparable Cinebench results while consuming one-third the power of the Xeon.

The Intel Xeon D-1577 justifies its existence through server features rather than raw benchmark dominance. ECC memory support, 24 PCIe Gen 3 lanes, and dual DDR3/DDR4 memory compatibility address data integrity and expansion needs that the Ryzen cannot match. The Xeon's 45 W TDP and server/workstation market segment signal its intended role in always-on infrastructure, not portable computing.

For a laptop or power-sensitive environment, the AMD Ryzen 3 5400U is the clear recommendation based on the data. It matches the Xeon in render performance within fractions of a percent, offers integrated graphics, and runs at 15 W. For a server or workstation requiring ECC memory and extensive PCIe expansion, the Intel Xeon D-1577 is the only option of the two that fits those requirements. The choice comes down to platform needs, not benchmark scores, because the recorded performance differences are negligible.