Intel Core i7-7740X vs Intel Xeon E-2226G Comparison

Head-to-Head Benchmarks

The benchmark data is unambiguous: the Intel Xeon E-2226G wins every recorded head-to-head test against the Intel Core i7-7740X. Across all six Cinebench comparisons, the Xeon holds a consistent advantage of roughly 13.5% to 13.7%. In Cinebench R23 multi-core, the Xeon scores 9368 against the i7-7740X's 8250, a 13.6% lead. Single-core results tell the same story: the Xeon posts 1322 in R23 single-core versus 1164 for the i7-7740X, again a 13.6% margin.

The pattern repeats in older Cinebench versions. In R20 multi-core, the Xeon reaches 3934 while the i7-7740X manages 3465, a 13.5% advantage. Single-core R20 shows 555 versus 488, a 13.7% gap. The R15 results mirror this: 944 to 831 in multi-core (13.6%) and 133 to 117 in single-core (13.7%). Notably, the single-core deltas are slightly larger than the multi-core deltas in R15 and R20, suggesting the Xeon's architectural efficiency carries over even when thread count is not the deciding factor.

The i7-7740X does have additional benchmark coverage in the database, including Geekbench scores of 5246 multi-core and 1619 single-core, but no corresponding Geekbench result exists for the Xeon in this dataset, so a direct comparison is not possible. What the recorded data shows is a sweep: six wins for the Xeon, zero for the i7-7740X. The average benchmark score for the Xeon is 2709, compared to 2648 for the i7-7740X, a modest overall gap that compresses the larger Cinebench margins because of the Geekbench results included only in the i7's average.

Both processors sit at the 50th percentile among all CPUs in the database, meaning they occupy the same midpoint tier overall, but the head-to-head tests demonstrate that within this tier, the Xeon is consistently faster in rendering workloads. The consistency of the 13.6% delta across generations of Cinebench is striking: it suggests a structural advantage rather than a workload-specific quirk.

Architecture Differences

The two chips come from different Intel architectural families. The Xeon E-2226G is built on Coffee Lake, specifically the Coffee Lake-S WS variant, and belongs to the Xeon E-2200 series. The i7-7740X is a Kaby Lake part, part of the Core i7 X-Series 7th Generation, using the Kaby Lake-X codename. Both are manufactured on Intel's 14 nm process and fabricated by Intel, so the process node is identical.

Core and thread counts differ significantly. The Xeon offers 6 cores and 6 threads, while the i7-7740X provides 4 cores and 8 threads thanks to Hyper-Threading. The Xeon compensates for its lack of threading with two additional physical cores. Clock speeds favor the i7 on paper: its base clock is 4.30 GHz versus 3.40 GHz for the Xeon, while boost clocks are close at 4.60 GHz for the i7 and 4.70 GHz for the Xeon. Despite the i7's higher base clock, the Xeon wins every benchmark, indicating that the extra cores and architectural improvements outweigh the clock deficit.

Cache configurations also differ. Both have 64 KB of L1 and 256 KB of L2 per core, but the L3 cache is 12 MB shared on the Xeon versus 8 MB shared on the i7-7740X. The Xeon's larger shared cache likely contributes to its single-core advantage.

Memory architecture is a major differentiator. The i7-7740X supports quad-channel DDR4 memory, while the Xeon E-2226G uses dual-channel DDR4 with a recorded memory bandwidth of 42.7 GB/s. The i7's memory bandwidth is not listed in the database, so a direct bandwidth comparison is unavailable. However, the i7 supports ECC memory, while the i7 does not. This is a critical distinction for workstation reliability.

The Xeon includes integrated graphics in the form of HD Graphics P630, while the i7-7740X has no integrated graphics listed. The Xeon uses Intel Socket 1151, while the i7-7740X uses Intel Socket 2066. PCIe support differs as well: the Xeon lists Gen 3 with 16 lanes (CPU only), while the i7 lists Gen 3 without a lane count.

Thermal design power is another split: the Xeon is rated at 80W, while the i7-7740X is rated at 112W. The Xeon achieves higher performance with a lower TDP, a notable efficiency result. The i7-7740X has an unlocked multiplier, while the Xeon's multiplier is locked. The Xeon's production status is listed as end-of-life, while the i7-7740X is active. The Xeon's release date is May 28, 2019, while the i7-7740X launched on June 25, 2017. The Xeon's launch MSRP is $255; the i7-7740X has no launch MSRP recorded.

Where Each One Wins

The Xeon E-2226G wins every recorded benchmark in this comparison, so the use-case split is driven by factors beyond raw scores. In rendering and multi-threaded workloads as measured by Cinebench, the Xeon is the clear choice. Its 13.6% lead in R23 multi-core, 13.5% in R20 multi-core, and 13.6% in R15 multi-core all point to a processor that handles sustained parallel workloads better. The six-core, six-thread configuration, despite lacking Hyper-Threading, outperforms the four-core, eight-thread i7-7740X in every tested scenario.

The Xeon also wins in single-threaded performance, which is often the domain of high-clock Kaby Lake parts. The 13.7% single-core advantages in R15 and R20, plus the 13.6% edge in R23 single-core, show that the Xeon's higher boost clock of 4.70 GHz and larger 12 MB L3 cache deliver tangible benefits even when only one core is active.

The i7-7740X has its own niche based on platform features rather than benchmark results. Its quad-channel memory interface provides higher theoretical memory bandwidth for memory-sensitive workloads, though the database does not list a bandwidth figure for this chip. The unlocked multiplier makes it a candidate for overclocking, which could close the performance gap in scenarios where the user can push clocks beyond stock settings. The i7 also supports more threads per core, which can benefit workloads with heavy per-thread dependencies.

For workstation and server deployments, the Xeon's ECC memory support is a decisive feature. ECC memory is essential for data integrity in long-running compute tasks, and the i7-7740X does not support it. The Xeon's integrated HD Graphics P630 also eliminates the need for a discrete GPU in basic display scenarios, while the i7 requires external graphics.

The Xeon's lower 80W TDP versus the i7's 112W makes it the more power-efficient choice for dense server environments. The i7-7740X's active production status gives it an availability advantage, since the Xeon is end-of-life. Users building new systems today may find the i7 easier to source, but the recorded data shows the Xeon is the superior performer.

FAQ

Q: Which processor is faster in multi-core Cinebench R23?

A: The Intel Xeon E-2226G scores 9368, while the Intel Core i7-7740X scores 8250. The Xeon leads by 13.6%.

Q: Does the i7-7740X win any benchmark in this comparison?

A: No. The Xeon E-2226G wins all six recorded head-to-head benchmarks. The i7-7740X has additional Geekbench scores in the database, but there is no matching Geekbench result for the Xeon to compare against.

Q: What memory features differ between the two chips?

A: The Xeon E-2226G supports dual-channel DDR4 with ECC memory and a recorded bandwidth of 42.7 GB/s. The i7-7740X supports quad-channel DDR4 but does not support ECC memory, and its bandwidth is not listed.

Q: How do their core and thread counts compare?

A: The Xeon E-2226G has 6 cores and 6 threads. The i7-7740X has 4 cores and 8 threads. The Xeon's two additional physical cores contribute to its benchmark wins despite lacking Hyper-Threading.

Q: Which chip has integrated graphics?

A: The Xeon E-2226G includes HD Graphics P630. The i7-7740X has no integrated graphics listed in the database.

Q: What are the TDP ratings?

A: The Xeon E-2226G is rated at 80W, while the i7-7740X is rated at 112W. The Xeon achieves higher benchmark scores with a lower TDP.

Specification Differences

| Specification | Intel Xeon E-2226G | Intel Core i7-7740X |

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

| Cores | 6 | 4 |

| Threads | 6 | 8 |

| Base clock | 3.40 GHz | 4.30 GHz |

| Boost clock | 4.70 GHz | 4.60 GHz |

| TDP | 80W | 112W |

| Socket | Intel Socket 1151 | Intel Socket 2066 |

| Architecture | Coffee Lake | Kaby Lake |

| Codename | Coffee Lake-S WS | Kaby Lake-X |

| Generation | Xeon E (Coffee Lake) | Core i7 (X-Series 7th Gen) |

| Die size | 154 mm² | Not listed |

| L3 cache | 12 MB (shared) | 8 MB (shared) |

| Memory bus | Dual-channel | Quad-channel |

| Memory bandwidth | 42.7 GB/s | Not listed |

| ECC memory | Yes | No |

| PCIe | Gen 3, 16 Lanes (CPU only) | Gen 3 |

| Integrated graphics | HD Graphics P630 | None |

| Market segment | Server/Workstation | Desktop |

| Production status | End-of-life | Active |

| Release date | 2019-05-28 | 2017-06-25 |

| Launch MSRP | $255 | Not listed |

| Unlocked multiplier | No | Yes |

The Verdict

The data points to a clear conclusion: the Intel Xeon E-2226G is the faster processor in every benchmark recorded for this comparison. Its six wins against zero for the i7-7740X, with consistent 13.5% to 13.7% margins across all Cinebench tests, establish a decisive performance advantage. The Xeon also brings ECC memory support, integrated graphics, a larger 12 MB L3 cache, and a lower 80W TDP, making it the more feature-complete package for workstation and server workloads.

The i7-7740X has its strengths, but they are not visible in the benchmark results. Its quad-channel memory interface, unlocked multiplier, and active production status are platform advantages, not performance wins in the recorded data. Overclocking could potentially close the gap, but stock performance is firmly in the Xeon's favor. The i7's higher 112W TDP and lack of ECC support further limit its appeal for reliability-focused builds.

For users prioritizing raw rendering performance, ECC memory support, or integrated graphics, the Xeon E-2226G is the recommended choice based on the recorded measurements. For users who need quad-channel memory bandwidth, plan to overclock, or require a currently produced processor, the i7-7740X remains viable, but it does not win a single recorded benchmark in this matchup. The verdict from the database is straightforward: the Xeon E-2226G outperforms the i7-7740X across the board.