Intel Core i9-10980XE vs Intel Xeon D-2799 Comparison

The Intel Xeon D-2799 sweeps the Intel Core i9-10980XE across every recorded head-to-head benchmark, and it does so with a newer architecture and a leaner thermal envelope. The database shows a clean 6-0 shutout in Cinebench R15, R20, and R23, with the Xeon D-2799 ahead by roughly six percent in every single test. That said, the two chips are built for different jobs, and the i9-10980XE counters with a much higher boost clock, an unlocked multiplier, and more PCIe lanes. The data tells a story of a modern efficiency-focused server CPU outmuscling an older desktop flagship, while the desktop part retains distinct advantages in configurability and platform bandwidth.

Head-to-Head Benchmarks

The head-to-head record is unambiguous: the Xeon D-2799 wins all six contested benchmarks, and the margins are remarkably consistent. In Cinebench R15 multi-core, the Xeon scores 2895 against 2734 for the i9-10980XE, a 5.9 percent lead. Cinebench R15 single-core goes the same way, 408 to 385, a 6.0 percent gap. The pattern repeats at every tier of the Cinebench suite.

Cinebench R20 multi-core: 12063 to 11394, Xeon ahead by 5.9 percent. Cinebench R20 single-core: 1703 to 1608, again 5.9 percent in the Xeon's favor. The R23 results close it out: 28723 versus 27130 in multi-core and 4055 versus 3830 in single-core, both 5.9 percent wins for the Xeon D-2799.

What makes this sweep notable is that the single-core margins mirror the multi-core ones. The Xeon D-2799 carries 20 cores and 40 threads against 18 cores and 36 threads for the i9-10980XE, so a multi-core win is plausible on thread count alone. But the Xeon's single-core lead, despite a lower boost clock (3.40 versus 4.80), points squarely at the per-clock efficiency of its newer microarchitecture. The i9-10980XE boosts far higher, yet the recorded data shows it converting that frequency into less throughput than its rival in every rendering test.

The database also holds Geekbench results for the i9-10980XE alone: 14742 multi-core and 1453 single-core. No matching Xeon D-2799 Geekbench entries exist, so those figures serve as context for the i9's standing rather than as a direct comparison.

Context from the broader database reinforces how close these two land overall. Both sit at the 64th percentile versus all CPUs. The Xeon D-2799's average benchmark score of 8308 edges the i9-10980XE's 7910. The Xeon's nearest rivals include the Intel Xeon Platinum 8268 (average score 8315, within 0.1 percent) and the Intel Xeon Gold 5320T (8316, within 0.1 percent), placing it in server-class company. The i9-10980XE's neighborhood includes the AMD EPYC 7551P (7952, within 0.5 percent), the Intel Core i7-13700E (7957, within 0.6 percent), and the AMD Ryzen Threadripper PRO 3945WX (7741, with the i9 ahead by 2.2 percent).

Architecture Differences

These are two Intel designs separated by a full process-node transition. The Xeon D-2799 is built on Ice Lake-D silicon at 10 nm, while the i9-10980XE uses Cascade Lake-X at 14 nm. The node advantage underpins the benchmark sweep: newer cores at lower clocks beat older cores at much higher clocks across the board.

The core and cache structures also diverge. The Xeon D-2799 has 20 cores and 40 threads, with 80 KB of L1 and 1.25 MB of L2 per core plus a 30 MB shared L3. The i9-10980XE has 18 cores and 36 threads, 64 KB of L1 and 1 MB of L2 per core, and a 24.75 MB shared L3. The Xeon leads in every cache tier and in total core count.

Clock behavior favors the desktop chip on paper. The i9-10980XE runs a 3.00 base and 4.80 boost, while the Xeon D-2799 runs 2.40 base and 3.40 boost. Yet the benchmarks show the frequency disadvantage does not translate into a performance deficit anywhere in the recorded data.

Power and platform traits diverge sharply. The Xeon D-2799 is rated at 129 W TDP against 165 W for the i9-10980XE, so the faster chip in the benchmarks is also the cooler-rated one. Both support quad-channel DDR4, but the Xeon's memory bandwidth is rated at 102.4 GB/s versus 93.9 GB/s. On expansion, the i9-10980XE offers 48 PCIe Gen 3 lanes against the Xeon's 32 PCIe Gen 4 lanes, a trade of lane count per generation. The Xeon supports ECC memory; the i9 does not. The Xeon uses the Intel BGA 2579 socket, soldered by nature, while the i9 uses Intel Socket 2066. The Xeon's multiplier is locked; the i9's is unlocked.

Market positioning differs too. The Xeon D-2799 is an active Server/Workstation product released in 2022 with a launch MSRP of $1972. The i9-10980XE is an End-of-life Desktop part released in 2019 with a launch MSRP of $1076.

Where Each One Wins

The Xeon D-2799 wins every measured workload. In rendering, its 5.9 to 6.0 percent margins across Cinebench R15, R20, and R23, in both multi-core and single-core modes, make it the clear choice for throughput-focused rendering and any workload that scales with cores and per-core speed simultaneously. Its 20 cores and 40 threads, larger caches in every tier, higher memory bandwidth, ECC support, and lower 129 W TDP rating all point toward sustained server and workstation duty. Its rival set in the database, the Xeon Platinum 8268 and Xeon Gold 5320T within 0.1 percent, confirms it operates in enterprise territory.

The i9-10980XE's wins are structural rather than measured. Its 4.80 GHz boost clock is the highest frequency figure in this comparison, and its unlocked multiplier gives it tuning headroom the locked Xeon simply does not offer. Its 48 PCIe Gen 3 lanes exceed the Xeon's 32 lanes, relevant for systems needing many devices on CPU-attached lanes. Its Socket 2066 platform is socketed and upgradeable in a way a BGA soldered chip is not. These are platform and flexibility advantages; in raw recorded performance, the i9-10980XE records zero head-to-head wins.

FAQ

Q: Which CPU is faster in benchmarks?

A: The Intel Xeon D-2799. It won all six head-to-head benchmarks, leading by 5.9 to 6.0 percent in every Cinebench R15, R20, and R23 test, both multi-core and single-core.

Q: How do their core counts compare?

A: The Xeon D-2799 has 20 cores and 40 threads. The i9-10980XE has 18 cores and 36 threads.

Q: Which has the higher clock speeds?

A: The i9-10980XE, with a 3.00 GHz base and 4.80 GHz boost, versus 2.40 GHz base and 3.40 GHz boost for the Xeon D-2799. Despite this, the recorded benchmarks favor the Xeon.

Q: Which CPU is more power efficient by rating?

A: The Xeon D-2799, with a 129 W TDP versus 165 W for the i9-10980XE, and it delivers better benchmark results at that lower rating.

Q: Which supports ECC memory?

A: The Xeon D-2799 supports ECC memory. The i9-10980XE does not.

Q: Can either CPU be overclocked?

A: The i9-10980XE has an unlocked multiplier. The Xeon D-2799's multiplier is locked.

The Verdict

For anyone choosing strictly on measured performance, the data picks the Intel Xeon D-2799 without hesitation. It wins every recorded benchmark by roughly six percent, does so at a lower TDP rating, brings more cores, more cache at every level, higher rated memory bandwidth, ECC support, and a newer 10 nm process. Buyers running rendering or multi-threaded server workloads should choose it.

The Intel Core i9-10980XE earns a recommendation only on factors outside the benchmark table: an unlocked multiplier for tuning, a 4.80 GHz boost ceiling, 48 PCIe Gen 3 lanes for expansion-heavy builds, and a socketed Socket 2066 platform versus the Xeon's BGA 2579 mounting. Enthusiasts who want those freedoms, and who accept zero head-to-head benchmark wins against this Xeon, may still prefer it. Its database neighborhood, within half a percent of the AMD EPYC 7551P and 0.6 percent of the Intel Core i7-13700E, shows it remains competitive against a broad field. But against the Xeon D-2799 specifically, it loses every measured contest.

Specification Differences

• Cores/Threads: Xeon D-2799: 20 cores, 40 threads. i9-10980XE: 18 cores, 36 threads.
• Base Clock: 2.40 GHz versus 3.00 GHz.
• Boost Clock: 3.40 GHz versus 4.80 GHz.
• TDP: 129 W versus 165 W.
• Architecture/Codename: Ice Lake (Ice Lake-D) versus Cascade Lake (Cascade Lake-X).
• Process Node: 10 nm versus 14 nm.
• L1 Cache: 80 KB per core versus 64 KB per core.
• L2 Cache: 1.25 MB per core versus 1 MB per core.
• L3 Cache: 30 MB shared versus 24.75 MB shared.
• Memory Bandwidth: 102.4 GB/s versus 93.9 GB/s.
• ECC Memory: Supported versus not supported.
• PCIe: Gen 4, 32 lanes (CPU only) versus Gen 3, 48 lanes (CPU only).
• Socket: Intel BGA 2579 versus Intel Socket 2066.
• Market Segment: Server/Workstation versus Desktop.
• Production Status: Active versus End-of-life.
• Release Date: 2022 versus 2019.
• Launch MSRP: $1972 versus $1076.
• Multiplier: Locked versus unlocked.
• Part Number: SRLCTSRM2C versus SRGSG.
• Generation: Xeon D (Ice Lake-D) versus Core i9 Extreme (X-Series 10th Gen).

Shared traits worth noting: both are Intel parts supporting quad-channel DDR4, both lack integrated graphics, and both sit at the 64th percentile versus all CPUs in the database.