Intel Core i7-7820HQ vs Intel Xeon E-2314 Comparison

The Intel Core i7-7820HQ and Intel Xeon E-2314 are both 4-core Intel processors, but they serve different market segments: the i7 is a mobile chip with integrated graphics, while the Xeon is a server/workstation part with ECC support. Benchmark results from the database show the Xeon E-2314 winning every recorded Cinebench test, despite the i7 having twice the thread count. This analysis walks through the head-to-head numbers, architecture, and specification differences to clarify where each processor stands.

Head-to-Head Benchmarks

The database records six Cinebench comparisons between these two processors, and the Intel Xeon E-2314 wins all of them. In Cinebench R15 multi-core, the Xeon scores 666 against the i7's 613, a lead of 8%. The single-core R15 test shows a similar gap: 93 versus 86, a 7.5% advantage for the Xeon. Moving to Cinebench R20, the Xeon again leads by 7.9% in both multi-core (2775 vs 2555) and single-core (391 vs 360). The R23 results continue the pattern: multi-core 6609 vs 6084, a 7.9% difference, and single-core 933 vs 858, an 8% difference.

The consistency of these margins is notable. The i7-7820HQ has 8 threads via Hyper-Threading, while the Xeon E-2314 has only 4 threads, yet the Xeon still wins multi-core tests by roughly 8%. This indicates that the Xeon's higher boost clock (4.50 GHz vs 3.90 GHz) and newer Rocket Lake architecture more than compensate for the thread deficit. The single-core results reinforce this: the Xeon's per-thread performance is 7.5% to 8% higher across all three Cinebench versions. The i7's base clock is slightly higher (2.90 GHz vs 2.80 GHz), but the Xeon's boost advantage of 0.60 GHz appears to be the decisive factor.

The average benchmark score in the database places the i7 at 1940 and the Xeon at 1911, but that average includes a broader set of tests beyond the Cinebench suite. In the direct head-to-head measurements, the Xeon is the clear winner. Both processors sit at the 43rd percentile among all CPUs, meaning they are in the same performance tier overall, but the Xeon's edge in these specific workloads is unambiguous.

The Verdict

From the recorded data, the Intel Xeon E-2314 is the faster processor in every measured Cinebench workload. It leads by 7.5% to 8% across single-core and multi-core tests, regardless of the Cinebench version. The i7-7820HQ's only advantages are its lower TDP (45W vs 65W) and its integrated Intel HD Graphics 630, which the Xeon lacks entirely. The i7 is also end-of-life, while the Xeon remains active in production.

For users who prioritize raw compute performance, the Xeon E-2314 is the better choice. Its higher boost clock and newer architecture deliver consistent wins, even against a processor with twice the thread count. The i7-7820HQ, however, is the only one of the two with integrated graphics, making it suitable for systems that cannot rely on a discrete GPU. The Xeon's ECC memory support and PCIe Gen 4 connectivity further tilt the recommendation toward the Xeon for server or workstation environments where reliability and modern I/O matter. The i7's lower TDP and mobile socket (BGA 1440) position it for laptops or compact systems, but for pure performance, the data points squarely to the Xeon.

Architecture Differences

Both processors are built on Intel's 14 nm process, but they use different architectures. The i7-7820HQ is based on Kaby Lake-H, while the Xeon E-2314 uses Rocket Lake-E. The die sizes differ substantially: the i7 measures 126 mm², while the Xeon is 276 mm². The larger die likely accommodates the Xeon's larger per-core caches: 80 KB of L1 and 512 KB of L2 per core, compared to 64 KB and 256 KB on the i7. Both share 8 MB of L3 cache.

The Xeon supports PCIe Gen 4 with 20 lanes, while the i7 is limited to PCIe Gen 3 with 16 lanes. This gives the Xeon a significant I/O bandwidth advantage for modern storage and expansion cards. The Xeon also supports ECC memory, a feature absent on the i7. The i7 includes integrated graphics (Intel HD Graphics 630), while the Xeon has no integrated GPU, reflecting its server/workstation focus. The Xeon's memory support is limited to DDR4, whereas the i7 supports both DDR3 and DDR4. The Xeon's memory bandwidth is listed at 51.2 GB/s, while the i7's is not recorded in the database.

The Xeon's boost clock is 4.50 GHz, 0.60 GHz higher than the i7's 3.90 GHz, and its TDP is 65W versus 45W. The i7 has 8 threads, the Xeon has 4. These architectural differences explain the benchmark results: the Xeon's newer core design and higher boost clock overcome the i7's thread advantage.

Specification Differences

The two processors differ in several key specifications. The i7-7820HQ has 8 threads, while the Xeon E-2314 has 4. Base clocks are 2.90 GHz for the i7 and 2.80 GHz for the Xeon; boost clocks are 3.90 GHz and 4.50 GHz, respectively. TDP is 45W for the i7 and 65W for the Xeon. The i7 uses the Intel BGA 1440 socket, the Xeon uses Intel Socket 1200. The i7 is based on Kaby Lake-H, the Xeon on Rocket Lake-E. Die size is 126 mm² for the i7 and 276 mm² for the Xeon. L1 cache per core is 64 KB on the i7 and 80 KB on the Xeon; L2 cache per core is 256 KB and 512 KB, respectively. L3 cache is 8 MB shared on both.

Memory support: the i7 accepts DDR3 and DDR4, the Xeon only DDR4. The Xeon has a recorded memory bandwidth of 51.2 GB/s; the i7 has none listed. ECC memory is supported on the Xeon but not the i7. PCIe: the i7 has Gen 3 with 16 lanes, the Xeon has Gen 4 with 20 lanes. Integrated graphics: the i7 has Intel HD Graphics 630, the Xeon has none. Market segment: the i7 is mobile, the Xeon is server/workstation. Production status: the i7 is end-of-life, the Xeon is active. Release dates: the i7 launched in January 2017, the Xeon in September 2021. Launch MSRP: the i7 was $378, the Xeon was $182.

FAQ

Q: Which processor has more threads?

A: The Intel Core i7-7820HQ has 8 threads, while the Intel Xeon E-2314 has 4 threads.

Q: Does the Xeon E-2314 support ECC memory?

A: Yes, the Xeon E-2314 supports ECC memory. The i7-7820HQ does not.

Q: What is the boost clock difference?

A: The Xeon E-2314 boosts to 4.50 GHz, while the i7-7820HQ boosts to 3.90 GHz, a difference of 0.60 GHz.

Q: Which processor has integrated graphics?

A: The i7-7820HQ has Intel HD Graphics 630. The Xeon E-2314 has no integrated graphics.

Q: What is the TDP difference?

A: The i7-7820HQ has a TDP of 45W, while the Xeon E-2314 has a TDP of 65W.

Q: Which processor is still in production?

A: The Xeon E-2314 is active, while the i7-7820HQ is end-of-life.

Where Each One Wins

The Intel Xeon E-2314 wins every recorded Cinebench benchmark, making it the clear performance leader in this comparison. Its higher boost clock and newer Rocket Lake architecture deliver 7.5% to 8% higher scores across single-core and multi-core tests, even though the i7 has twice the threads. The Xeon also wins on I/O and reliability features: PCIe Gen 4 with 20 lanes, ECC memory support, and a higher memory bandwidth of 51.2 GB/s. Its active production status and lower launch MSRP further strengthen its position for new server or workstation builds.

The Intel Core i7-7820HQ wins in areas that matter for mobile or compact systems. Its 45W TDP is 20W lower than the Xeon's, making it more power-efficient. It includes integrated graphics, which the Xeon lacks, so it can operate without a discrete GPU. The i7 also supports DDR3 memory, which may be useful in legacy systems. Its 8 threads provide better multi-threading capability in theory, but the benchmark data shows the Xeon's superior per-core performance overcomes that advantage. For users who need a low-power, all-in-one processor with graphics, the i7 is the only option here. For anyone prioritizing compute performance, ECC support, or modern PCIe connectivity, the Xeon E-2314 is the definitive choice based on the recorded data.