Intel Core i9-10980HK vs Intel Xeon E-2276G Comparison

Head-to-Head Benchmarks

The benchmark data is unambiguous: the Intel Core i9-10980HK wins every single recorded Cinebench test against the Intel Xeon E-2276G, taking all six head-to-head matchups. The margins are remarkably consistent, ranging from 7.1% to 7.7% depending on the workload. This uniformity suggests the performance gap is structural, not workload-specific.

In Cinebench R15, the i9-10980HK scores 1291 points in multi-core versus 1205 for the Xeon E-2276G, a 7.1% advantage. The single-core result shows 182 against 169, a slightly larger 7.7% lead. Both chips follow the same pattern in R20: multi-core sees 5381 versus 5021 (7.2% ahead), and single-core sees 759 versus 708 (7.2% ahead). The R23 results continue the trend, with the i9-10980HK posting 12812 in multi-core against 11957 (7.2% ahead) and 1808 in single-core against 1688 (7.1% ahead).

The average benchmark score tells a similar story. The i9-10980HK carries an average of 3706, which places it in the 56th percentile of all CPUs. The Xeon E-2276G averages 3614, sitting at the 55th percentile. The i9-10980HK is slightly ahead, but the percentile gap is narrow. The nearest rivals for the i9-10980HK include the Intel Xeon E-2434 at 3709 (-0.1%), the Intel Core i5-11260H at 3721 (-0.4%), and the AMD EPYC 7301 at 3685 (0.6%). For the Xeon E-2276G, the nearest competitors are the AMD Ryzen 7 PRO 1700 at 3613 (0%), the Intel Xeon E-2286G at 3610 (0.1%), and the Intel Xeon E5-2678 v3 at 3608 (0.2%).

What stands out is that the i9-10980HK does not merely edge out the Xeon in one metric; it leads across every recorded benchmark. The smallest lead, 7.1%, is still a meaningful margin in multi-threaded rendering workloads. The largest lead, 7.7% in R15 single-core, shows that even in lightly threaded tasks the mobile chip holds a clear edge.

Architecture Differences

The two processors come from different Intel generations and target different market segments. The i9-10980HK uses the Comet Lake architecture, specifically the Comet Lake-H codename, and belongs to the Core 10th Gen series. The Xeon E-2276G uses Coffee Lake, specifically Coffee Lake-S WS, and belongs to the Xeon E-2200 series. Both are built on Intel's 14 nm process node, so the underlying transistor technology is the same, but the designs diverge from there.

Core counts differ significantly. The i9-10980HK has 8 cores and 16 threads, while the Xeon E-2276G has 6 cores and 12 threads. That is two fewer cores and four fewer threads on the Xeon. The cache hierarchy reflects this difference: the i9-10980HK has 16 MB of shared L3 cache, while the Xeon E-2276G has 12 MB. Both chips use 64 KB of L1 per core and 256 KB of L2 per core, so the per-core cache structure is identical. The difference in total L3 comes down to the additional cores on the i9.

Clock speeds go in the opposite direction. The Xeon E-2276G has a base clock of 3.80 GHz and a boost clock of 4.90 GHz. The i9-10980HK has a base clock of 2.40 GHz and a boost clock of 5.30 GHz. The Xeon starts at a much higher base frequency, which is typical for a workstation part engineered for sustained loads, but the i9 can boost higher when thermals allow. The recorded benchmark results show that the i9's higher boost clock and extra cores more than compensate for its lower base clock.

Memory support is another point of divergence. Both support DDR4, but the Xeon E-2276G explicitly supports ECC memory, while the i9-10980HK does not. The Xeon also lists a dual-channel memory bus with a measured bandwidth of 42.7 GB/s, while the i9-10980HK does not have a recorded memory bus or bandwidth figure. This aligns with the Xeon's server and workstation positioning.

Integrated graphics differ as well. The i9-10980HK ships with UHD Graphics, while the Xeon E-2276G uses HD Graphics P630. Both are Intel integrated solutions, but the Xeon's P630 variant is tailored for workstation use cases where display output and basic acceleration are secondary to compute reliability.

Physical packaging is completely different. The i9-10980HK uses Intel BGA 1440, a ball-grid array socket designed for mobile systems. The Xeon E-2276G uses Intel Socket 1151, a land-grid array socket for desktop and workstation motherboards. The Xeon also has a recorded die size of 154 mm², while the i9-10980HK has no die size listed. The power envelopes reflect these different platforms: the i9-10980HK has a TDP of 45 W, suitable for high-performance laptops, while the Xeon E-2276G has a TDP of 80 W, more typical of a desktop workstation part.

FAQ

Q: Which processor is faster in multi-threaded workloads?

A: The Intel Core i9-10980HK wins every recorded multi-core benchmark. In Cinebench R23 multi-core, it scores 12812 against the Xeon E-2276G's 11957, a 7.2% advantage. The same pattern appears in R15 (1291 versus 1205, 7.1% ahead) and R20 (5381 versus 5021, 7.2% ahead).

Q: Does the Xeon E-2276G have any benchmark win over the i9-10980HK?

A: No. The recorded head-to-head data shows the i9-10980HK winning all six Cinebench tests. The Xeon E-2276G has zero wins in the head-to-head comparison.

Q: Why does the Xeon E-2276G have a higher base clock but lose in single-core tests?

A: The Xeon E-2276G has a base clock of 3.80 GHz, but the i9-10980HK has a boost clock of 5.30 GHz. In Cinebench R23 single-core, the i9-10980HK scores 1808 versus 1688, a 7.1% lead. The Xeon's higher base clock does not translate into a single-core advantage in the recorded benchmarks.

Q: Do both processors support ECC memory?

A: No. The Xeon E-2276G has ECC memory support, while the i9-10980HK does not. This is a key differentiator for the Xeon's server and workstation market segment.

Q: How do the two processors compare in overall benchmark percentile?

A: The i9-10980HK sits at the 56th percentile of all CPUs with an average benchmark score of 3706. The Xeon E-2276G sits at the 55th percentile with an average score of 3614. The difference is small, roughly 2.5% in average score, but the i9-10980HK ranks slightly higher.

Q: Which processor has more cores and threads?

A: The i9-10980HK has 8 cores and 16 threads. The Xeon E-2276G has 6 cores and 12 threads. The i9-10980HK also has more shared L3 cache, 16 MB versus 12 MB.

Specification Differences

The two processors differ in nearly every major specification category. Core count is a clear split: 8 cores and 16 threads for the i9-10980HK, 6 cores and 12 threads for the Xeon E-2276G. Clock speeds also diverge, with the i9-10980HK listed at 2.40 GHz base and 5.30 GHz boost, while the Xeon E-2276G lists 3.80 GHz base and 4.90 GHz boost.

The L3 cache differs by 4 MB, with the i9-10980HK at 16 MB shared and the Xeon E-2276G at 12 MB shared. TDP is another major split: 45 W for the mobile i9-10980HK versus 80 W for the workstation Xeon E-2276G.

Sockets are incompatible: Intel BGA 1440 for the i9-10980HK, Intel Socket 1151 for the Xeon E-2276G. The market segment reflects this, with the i9-10980HK classified as Mobile and the Xeon E-2276G as Server/Workstation.

Memory features differ. The i9-10980HK has no ECC support, while the Xeon E-2276G has ECC support. The Xeon also records a dual-channel memory bus and 42.7 GB/s bandwidth, while the i9-10980HK has no memory bus or bandwidth listing.

Integrated graphics are different models: UHD Graphics on the i9-10980HK, HD Graphics P630 on the Xeon E-2276G. The multiplier is unlocked on the i9-10980HK, but locked on the Xeon E-2276G. Die size is only recorded for the Xeon at 154 mm².

Release dates are roughly a year apart, with the i9-10980HK launching in April 2020 and the Xeon E-2276G in May 2019. Both are marked end-of-life in the database. The launch MSRP for the i9-10980HK is $643, and for the Xeon E-2276G it is $362.

The Verdict

The data points to a clear winner for raw performance: the Intel Core i9-10980HK. It wins all six recorded head-to-head benchmarks, with margins between 7.1% and 7.7%. It has more cores (8 versus 6), more threads (16 versus 12), more L3 cache (16 MB versus 12 MB), and a higher boost clock (5.30 GHz versus 4.90 GHz). Its average benchmark score of 3706 sits above the Xeon E-2276G's 3614, and its 56th percentile ranking edges out the Xeon's 55th.

The Xeon E-2276G is not without merits, but they are not in raw compute. It supports ECC memory, which the i9-10980HK does not. It has a higher base clock of 3.80 GHz, which can be beneficial for sustained workloads that do not boost. It uses a desktop socket (Intel Socket 1151) rather than a mobile BGA package, which changes system integration options. Its 80 W TDP is higher, but that is typical for a workstation part.

For anyone choosing strictly on benchmark performance, the i9-10980HK is the stronger chip. For anyone requiring ECC memory in a server or workstation build, the Xeon E-2276G is the only option of the two.

Where Each One Wins

The i9-10980HK wins in every measured Cinebench workload. Single-core tests favor it by 7.1% to 7.7%, and multi-core tests favor it by 7.1% to 7.2%. This means rendering, video encoding, and general CPU-heavy applications will see a consistent advantage on the i9-10980HK. Its higher boost clock of 5.30 GHz gives it an edge in lightly threaded tasks, while its extra two cores and 4 MB of additional L3 cache help in fully threaded workloads. The unlocked multiplier also allows for overclocking, which the Xeon does not offer.

The Xeon E-2276G wins in specific deployment scenarios, even though it loses every benchmark. Its ECC memory support makes it suitable for error-sensitive workloads in servers and workstations where data integrity is critical. Its higher base clock of 3.80 GHz means it can sustain heavy loads without relying on boost behavior, which may be preferable in always-on environments. The dual-channel memory bus with 42.7 GB/s of bandwidth is also recorded, while the i9-10980HK has no such figure listed, indicating a more complete memory subsystem specification for the Xeon.

The socket difference is decisive for system builders. The i9-10980HK uses Intel BGA 1440, which is soldered to the motherboard, typically in a laptop. The Xeon E-2276G uses Intel Socket 1151, which is replaceable and found in desktop and workstation motherboards. The market segment labels confirm this: Mobile for the i9-10980HK, Server/Workstation for the Xeon E-2276G.

The production status for both is end-of-life, so neither is a future-proof choice. The i9-10980HK offers better raw performance across the board, while the Xeon E-2276G offers ECC support and a workstation-oriented feature set. Choose the i9-10980HK for maximum compute throughput in a mobile or compact system. Choose the Xeon E-2276G for ECC reliability and a replaceable desktop socket.