CPU Comparison

The Intel Xeon E-2276M and Intel Core i7-7920HQ are both 45W mobile processors from Intel, but their benchmark results tell a surprisingly split story. While the older Core i7 wins the Cinebench suite outright, the Xeon takes the Geekbench tests by a wide margin. The data shows a clear performance divergence depending on the workload, making the choice between them less about generation and more about the specific tasks at hand.

Head-to-Head Benchmarks

The most striking result in the head-to-head data is the complete victory of the Intel Core i7-7920HQ across all six Cinebench tests. In Cinebench R15 multicore, the i7 scores 619 against the Xeon's 544, a 12.1% lead. The single-core R15 test shows a similar gap, with the i7 at 87 and the Xeon at 76, a 12.6% advantage. This pattern continues in Cinebench R20, where the i7 posts 2583 multicore and 364 single-core versus the Xeon's 2268 and 320, representing deltas of 12.2% and 12.1% respectively. In Cinebench R23, the i7 maintains its dominance with a 6151 multicore score and 868 single-core score, beating the Xeon's 5400 and 762 by 12.2% in both tests. The consistency of these margins suggests the i7-7920HQ has a fundamental architectural advantage in rendering workloads that the Xeon cannot overcome, despite its newer release date.

However, the Geekbench tests flip the narrative entirely. Here, the Intel Xeon E-2276M wins decisively, scoring 5159 in multicore against the i7's 3999, a massive 29% lead. The single-core Geekbench test also goes to the Xeon, with 1440 versus 1267, a 13.7% advantage. This divergence is remarkable: the i7-7920HQ wins by roughly 12% in Cinebench, but the Xeon E-2276M wins by 29% in Geekbench multicore. The data indicates that these processors have vastly different performance profiles depending on the benchmark's instruction mix and threading model.

Looking at the overall average benchmark score, the two are almost perfectly matched. The Xeon E-2276M averages 1996, while the i7-7920HQ averages 1992, a negligible 0.2% difference. Both sit at the 44th percentile among all CPUs, placing them in the same performance tier overall. The nearest rival list for the Xeon includes the i7-7920HQ at a 0.2% delta, along with the AMD Ryzen 5 1500X (0.2%) and the Intel Core i5-8400T (-0.3%). For the i7, its nearest rivals include the Ryzen 5 1500X (0% delta), the Xeon E3-1285L v4 (0.1%), and the Xeon E-2276M itself (-0.2%). This confirms that despite their benchmark differences, they occupy the same overall performance bracket.

The Verdict

Based strictly on the data, the Intel Core i7-7920HQ is the clear choice for anyone running Cinebench-style rendering workloads, as it wins all six Cinebench tests by margins between 12.1% and 12.6%. Its superior single-core performance in Cinebench (87 vs 76 in R15, 364 vs 320 in R20, 868 vs 762 in R23) makes it particularly well-suited for applications that rely on high per-thread throughput. The i7 also carries a higher launch MSRP of $568 compared to the Xeon's $450, though the performance data justifies the premium in these specific workloads.

Conversely, the Intel Xeon E-2276M is the better option for Geekbench-based evaluations, where it leads by 29% in multicore and 13.7% in single-core. This suggests the Xeon's architecture handles the Geekbench workload far more efficiently, making it the superior choice for productivity suites or general-purpose computing that resembles Geekbench's test patterns. The Xeon also offers ECC memory support, a feature absent from the i7, which is critical for workstation reliability. For users prioritizing data integrity over raw rendering speed, the Xeon's ECC capability alone may justify its selection.

The ultimate verdict depends on the benchmark suite you trust. If your workflow mirrors Cinebench's rendering engine, the i7-7920HQ wins outright. If it resembles Geekbench's mixed workload, the Xeon E-2276M is the clear winner. The 0.2% difference in average score means neither is universally faster; they are simply optimized for different tasks. The i7 is for render-focused users, while the Xeon is for those who value Geekbench performance and ECC support.

Architecture Differences

The two processors come from different Intel architectures. The Xeon E-2276M is built on Coffee Lake (specifically Coffee Lake-H), while the i7-7920HQ uses Kaby Lake (Kaby Lake-H). Both use Intel's 14 nm process node, but the die sizes differ: the Xeon measures 154 mm², while the i7 is smaller at 126 mm². The core configuration is a major differentiator, the Xeon has 6 cores and 12 threads, while the i7 has only 4 cores and 8 threads. Despite having fewer cores, the i7 achieves higher Cinebench scores, indicating that its individual cores are significantly more efficient in that workload.

Clock speeds also favor the i7 in terms of base frequency. The i7 runs at 3.10 GHz base and 4.10 GHz boost, while the Xeon runs at 2.80 GHz base and 4.70 GHz boost. The Xeon's higher boost clock (4.70 GHz versus 4.10 GHz) likely explains its Geekbench single-core advantage, but the i7's higher base clock helps it in sustained Cinebench runs. Cache configuration follows the core counts: the Xeon has 12 MB of shared L3 cache, while the i7 has 8 MB. Both have 64 KB L1 and 256 KB L2 per core.

Memory support differs substantially. The Xeon supports DDR4 only, with dual-channel memory and a bandwidth of 42.7 GB/s. The i7 supports both DDR3 and DDR4, also dual-channel, but no bandwidth figure is listed. Crucially, the Xeon supports ECC memory, while the i7 does not. This makes the Xeon the only choice for error-correcting memory environments. Both use the same Intel BGA 1440 socket and feature PCIe Gen 3 with 16 lanes from the CPU. Integrated graphics also differ: the Xeon has UHD Graphics P630, while the i7 has Intel HD Graphics 630.

The Xeon is part of the Xeon E-2200 series and targets the Server/Workstation market segment. The i7 is a mobile Core i7 part. Both are end-of-life products, with the Xeon released in 2019 and the i7 in 2017. Neither has an unlocked multiplier. The part numbers are SRFCK for the Xeon and SR32L for the i7.

FAQ

Q: Which CPU has more cores and threads?

A: The Intel Xeon E-2276M has 6 cores and 12 threads, while the Intel Core i7-7920HQ has 4 cores and 8 threads.

Q: Why does the i7-7920HQ win in Cinebench despite having fewer cores?

A: The i7-7920HQ has a higher base clock (3.10 GHz vs 2.80 GHz) and achieves better per-core performance in Cinebench tests, winning all six Cinebench benchmarks by margins of 12.1% to 12.6%.

Q: Does the Xeon E-2276M support ECC memory?

A: Yes, the Xeon E-2276M supports ECC memory. The Core i7-7920HQ does not support ECC memory.

Q: What is the overall average benchmark score difference between the two?

A: The Xeon E-2276M averages 1996, while the i7-7920HQ averages 1992, a difference of only 0.2%. The i7's nearest rival list shows the Xeon at a -0.2% delta.

Q: Which CPU has a higher boost clock?

A: The Xeon E-2276M has a higher boost clock of 4.70 GHz, compared to the i7-7920HQ's 4.10 GHz.

Q: Are both CPUs on the same manufacturing process?

A: Yes, both use Intel's 14 nm process node, but the Xeon has a larger die size of 154 mm² versus the i7's 126 mm².

Where Each One Wins

The Intel Core i7-7920HQ wins in all Cinebench scenarios. Across R15, R20, and R23, it beats the Xeon by roughly 12% in both single-core and multi-core tests. This makes it the superior choice for rendering applications that use Cinebench's engine, such as 3D modeling, animation, or video editing that relies on Cinema 4D. Its consistent 12% lead across every Cinebench variant indicates a fundamental advantage in that specific workload, likely stemming from its higher base clock and more efficient per-core execution. Users running CPU-based rendering should choose the i7 without hesitation based on this data.

The Intel Xeon E-2276M wins decisively in Geekbench testing. Its 29% multicore lead and 13.7% single-core lead over the i7 make it the clear choice for applications that stress the CPU in ways similar to Geekbench's test suite. This includes general productivity software, office suites, web browsing, and many compiled applications that exhibit Geekbench-like behavior. The Xeon also wins for users requiring ECC memory support, as the i7 lacks this feature entirely. For workstation environments where data corruption is unacceptable, the Xeon's ECC capability is a non-negotiable advantage.

The two CPUs are evenly matched overall, with average scores differing by just 0.2%. But the Xeon's Geekbench dominance suggests it handles broader, more varied workloads better. In contrast, the i7's Cinebench dominance makes it a specialist in rendering tasks. The data does not support a universal winner; it supports a workload-specific choice. The i7 is the render specialist, the Xeon is the all-rounder with ECC and Geekbench strength.