Intel Core i7-10510Y vs Intel Xeon E5-1603 v3 Comparison

Head-to-Head Benchmarks

The benchmark data is unambiguous: the Intel Xeon E5-1603 v3 wins every single recorded comparison against the Intel Core i7-10510Y. Across five Cinebench tests, the Xeon takes a clean sweep with a 5 to 0 win count. The margins are consistent and substantial, ranging from 19.7% to 20.3% in favor of the older server chip.

In Cinebench R15 multi-core, the Xeon scores 382 against the Core i7's 319, a 19.7% advantage. That same 19.7% delta repeats in Cinebench R20 multi-core, where the Xeon posts 1595 versus 1332. The pattern holds in Cinebench R23 multi-core as well: 3798 for the Xeon against 3173 for the Core i7, again a 19.7% lead. The single-core results are even slightly more lopsided. In Cinebench R20 single-core, the Xeon scores 225 versus 187, a 20.3% margin, and in Cinebench R23 single-core it scores 536 versus 447, a 19.9% gap. There is no recorded test where the Core i7-10510Y comes out ahead.

The average benchmark score reinforces the same story, though the difference narrows. The Xeon E5-1603 v3 averages 1098 across its benchmark suite, while the Core i7-10510Y averages 1092. That is a slim 6-point gap in the average, but the head-to-head Cinebench results show the Xeon leading by roughly a fifth in every individual comparison. The percentile rankings are close too: the Xeon sits at the 31st percentile among all CPUs, while the Core i7 sits at the 30th. In other words, these two processors occupy nearly the same tier in the overall performance distribution, but when measured directly against each other, the Xeon is consistently faster.

The nearest rival data provides context for both chips. The Xeon E5-10510Y's closest competitors, the AMD PRO A10-8850B at 1098 (0% delta), the Intel Pentium 6805 at 1099 (-0.1%), the Intel Core i5-3450S at 1099 (-0.1%), and the Intel Core i7-2710QE at 1096 (0.1%), are all essentially identical in average score. The Core i7-10510Y's nearest rivals are similarly bunched: the Intel Core i7-4600M at 1093 (-0.1%), the Intel Core i5-3450S at 1091 (0.1%), the Intel Pentium Gold G5400 at 1091 (0.1%), and the Intel Core i7-4610M at 1094 (-0.2%). Both chips are effectively interchangeable in the broader market context, yet the direct comparison shows one is clearly the stronger performer.

The Verdict

Based strictly on the recorded data, the Intel Xeon E5-1603 v3 is the faster processor in every measured workload. Anyone choosing between these two purely on Cinebench performance should select the Xeon. It leads by roughly 20% in multi-core and single-core tests alike, and that consistency across R15, R20, and R23 leaves no room for a workload-dependent exception in the data.

The Core i7-10510Y is not without merit, however. It offers 8 threads against the Xeon's 4, a far lower TDP of 9 watts, active production status, and integrated UHD Graphics. The data shows it is competitive in the abstract, with an average score of 1092 and a 30th percentile ranking, but it simply loses every head-to-head comparison. The verdict for most buyers comes down to the simple fact that the Xeon wins all five tests. The Core i7 is the pick only if factors outside the recorded benchmarks, such as mobility or platform requirements, override performance, matter more than the benchmark outcomes.

The margin is small enough that the two chips should not be considered near-classmates, the Xeon at the 31st percentile versus the Core i7's 30th, but within that close range, the Xeon is decisively faster in every direct measurement. There is no recorded scenario in the database where the Core i7-10510Y outperforms the Xeon E5-1603 v3.

Architecture Differences

The Intel Xeon E5-1603 v3 is built on the Haswell-EP architecture and uses the Haswell-EP codename within the Xeon E5 generation family. It is fabricated on a 22 nm process node at Intel's foundry and contains 2,600 million transistors on a die size of 356 mm². Its memory support is DDR4 through a quad-channel memory bus that delivers 59.7 GB/s of bandwidth. It supports ECC memory in the server or workstation market segment, and it has been designated end-of-life. It uses PCI Express Gen 3 with 40 lanes from the CPU only.

The Intel Core i7-10510Y, by contrast, is part of the Core 10th Gen series and the Comet Lake-Y architecture under the Core i7 Comet Lake-Y codename. It belongs to the Core i7 Comet Lake-Y generation family. It is manufactured on a 14 nm process node at Intel's foundry. It supports DDR3 memory (the memory bus and bandwidth are not recorded) and does not support ECC memory. It includes integrated UHD Graphics and targets the mobile market segment. Its production status is active.

The architectural gulf is wide. The Xeon is a 22 nm Haswell-EP workstation part with a large 356 mm² die and 2,600 million transistors, while the Core i7 is a 14 nm Comet Lake-Y mobile chip with no recorded transistor count or die size. The Xeon's 10 MB shared L3 cache outpaces the Core i7's 8 MB shared L3 cache. Both use 64 KB L1 per core and 256 KB L2 per core, but the Xeon has 4 cores and 4 threads, whereas the Core i7 has 4 cores and 8 threads.

Specification Differences

The two processors differ across almost every specification field. The Xeon E5-1603 v3 has a base clock of 2.80 GHz with no boost clock recorded, while the Core i7-10510Y has a base clock of 1200.00 MHz and a boost clock of 4.50 GHz. TDP is a major differentiator: the Xeon draws 140 watts, the Core i7 just 9 watts. The Xeon uses Intel Socket 2011-3 and the Core i7 uses Intel BGA 1440.

Memory support differs: the Xeon uses DDR4 with a quad-channel bus and 59.7 GB/s bandwidth; the Core i7 uses DDR3 with no bus or bandwidth recorded. ECC support is present on the Xeon and absent on the Core i7. The Xeon has PCIe Gen 3 with 40 lanes; the Core i7 has no PCIe data recorded. The Xeon has no integrated graphics, while the Core i7 includes UHD Graphics. The Xeon targets the server/workstation segment and is end-of-life; the Core i7 targets mobile and is active. The Xeon was released in 2014-09-07, the Core i7 in 2019-08-20. The Xeon has a part number of SR20K; the Core i7 has no part number recorded. Neither has a recorded launch MSRP, and neither has an unlocked multiplier.

FAQ

Q: Which processor is faster in multi-core Cinebench tests?

A: The Intel Xeon E5-1603 v3 wins all three multi-core tests. It scores 382 in Cinebench R15, 1595 in Cinebench R20, and 3798 in Cinebench R23, compared to the Core i7-10510Y's 319, 1332, and 3173 respectively. Each multi-core margin is 19.7%.

Q: Does the Core i7-10510Y win any benchmark against the Xeon?

A: No. The head-to-head database records 5 wins for the Xeon and 0 for the Core i7. The Core i7 does not win a single Cinebench comparison.

Q: How do their average benchmark scores compare?

A: The Xeon E5-1603 v3 has an average benchmark score of 1098, while the Core i7-10510Y averages 1092. The Xeon is 6 points higher.

Q: What are the core and thread counts?

A: Both have 4 cores, but the Xeon E5-1603 v3 has 4 threads while the Core i7-10510Y has 8 threads.

Q: Which processor has more L3 cache?

A: The Xeon E5-1603 v3 has 10 MB of shared L3 cache, while the Core i7-10510Y has 8 MB of shared L3 cache.

Q: What is the TDP difference between the two?

A: The Xeon E5-1603 v3 has a TDP of 140 watts, and the Core i7-10510Y has a TDP of 9 watts.

Where Each One Wins

The Intel Xeon E5-1603 v3 wins in every recorded performance test. It is the choice for anyone prioritizing raw Cinebench throughput, whether in single-core or multi-core workloads. Its 19.7% to 20.3% margins across R15, R20, and R23 make it the clear performance leader in the database's measurements. It also wins on L3 cache capacity (10 MB versus 8 MB), memory bandwidth (59.7 GB/s versus no recorded bandwidth), ECC support, and PCIe lane count (40 lanes versus none recorded). The Xeon is the pick for workstation or server contexts where its 140 watt TDP is acceptable and its Haswell-EP platform, with DDR4 quad-channel memory, is available.

The Intel Core i7-10510Y wins in the non-benchmark specifications. It has 8 threads versus the Xeon's 4, a far lower 9 watt TDP, a boost clock of 4.50 GHz (the Xeon has no boost clock recorded), integrated UHD Graphics, a newer 14 nm process node, active production status, and a later release date. It is the pick for mobile platforms, given its BGA 1440 socket and mobile market segment, where the Xeon's 140 watt TDP and Socket 2011-3 are simply not viable. The Core i7 also supports DDR3 memory, which may match older or lower-power systems, while the Xeon requires DDR4. For users who need ECC memory or maximum Cinebench scores, the Xeon is the only choice. For users who need an actively produced, low-power, 8-thread mobile chip with integrated graphics, the Core i7 is the only choice. The performance data, however, belongs entirely to the Xeon.