AMD EPYC 7281 vs Intel Core i7-11850HE Comparison

The AMD EPYC 7281 and Intel Core i7-11850HE represent two distinct philosophies in processor design: one is a 16-core server behemoth built for sustained throughput, the other an 8-core mobile chip engineered for efficiency and high clock speeds. Benchmark results from the database show that the EPYC 7281 wins all six head-to-head Cinebench comparisons, but the margin is consistently narrow, hovering around 5.6% in multi-core tests. The data reveals that while the EPYC 7281 is the overall performance leader in these specific workloads, the i7-11850HE holds its own due to a massive boost clock advantage, making the choice between them entirely dependent on the target platform and workload.

Head-to-Head Benchmarks

The EPYC 7281 sweeps the Cinebench suite with a clean 6-0 record against the Core i7-11850HE. In the R15 multi-core test, the EPYC scores 1852 against the Intel's 1753, a 5.6% lead. The single-core R15 result is similar, with the EPYC at 261 versus 247, a 5.7% edge. This pattern repeats across R20 and R23, with the EPYC leading by exactly 5.6% in both multi-core and single-core variants of each test. For instance, in Cinebench R23 multi-core, the EPYC 7281 scores 18377 while the i7-11850HE reaches 17402, and in R23 single-core, the scores are 2594 and 2456 respectively.

The consistency of these deltas is notable. Every multi-core margin is 5.6%, and every single-core margin is 5.6% (with R15 single-core at 5.7%). This uniformity suggests that the performance gap is not workload-specific but rather a fundamental throughput difference across the board. The EPYC 7281's 16 cores and 32 threads provide a raw parallel advantage that translates directly into higher Cinebench scores, despite the Intel chip's higher boost clock. The i7-11850HE does have additional Geekbench scores in the database (8576 multi-core, 1984 single-core), but no direct comparison exists for that suite, so the head-to-head record remains exclusively Cinebench-based.

Looking at broader positioning, the EPYC 7281's average benchmark score is 5315, placing it at the 60th percentile of all CPUs. Its nearest rival, the Intel Core i9-10900KF, scores 5316, a delta of 0%. The AMD Ryzen Threadripper 1920X trails at 5306 (0.2% behind), and the Intel Core i9-9900X is at 5301 (0.3% behind). The i7-11850HE, meanwhile, has an average score of 5095, also at the 60th percentile, with its closest rival being the AMD EPYC 7262 at 5109 (0.3% ahead). This means both processors sit in the same performance tier, but the EPYC 7281 sits at the top of that tier while the Intel chip sits near the bottom.

Architecture Differences

The foundational difference lies in the core counts and process nodes. The AMD EPYC 7281 is built on the Zen architecture (codename Naples) using a 14 nm process from GlobalFoundries, packing 16 cores and 32 threads. The Intel Core i7-11850HE uses the Tiger Lake-H architecture on Intel's 10 nm process, with 8 cores and 16 threads. The EPYC's die size is 213 mm² with 4,800 million transistors, while the Intel die is slightly smaller at 190 mm² with no transistor count listed in the database.

Cache hierarchies diverge significantly. The EPYC 7281 provides 96 KB of L1 and 512 KB of L2 per core, with 32 MB of shared L3. The i7-11850HE offers 80 KB of L1 but a much larger 1.25 MB of L2 per core, with 24 MB of shared L3. This means the Intel chip has more than double the L2 cache per core, which can help with frequently accessed data, but the EPYC's larger L3 pool (32 MB vs 24 MB) benefits shared workloads across its 16 cores.

Memory support is another critical divergence. The EPYC 7281 uses an eight-channel DDR4 memory bus delivering 170.6 GB/s of bandwidth and supports ECC memory. The i7-11850HE uses a dual-channel DDR4 configuration with 51.2 GB/s bandwidth and no ECC support. This is a 3.3x difference in theoretical memory bandwidth, which heavily favors the server-oriented EPYC in memory-intensive tasks. The EPYC also uses AMD Socket SP3, while the Intel chip is soldered to Intel BGA 1787, reflecting their respective server and mobile market segments.

PCIe capabilities differ by generation: the EPYC 7281 supports PCIe Gen 3, while the i7-11850HE supports PCIe Gen 4 with 20 lanes (CPU only). The Intel chip also includes integrated UHD Graphics (Xe-LP), which the EPYC lacks entirely. The EPYC has an unlocked multiplier, while the Intel chip is locked. Release dates show the EPYC launched on 2017-06-28, while the i7-11850HE came later on 2021-08-02.

FAQ

Q: Which processor has more cores and threads?

A: The AMD EPYC 7281 has 16 cores and 32 threads, while the Intel Core i7-11850HE has 8 cores and 16 threads. The EPYC doubles the Intel chip in both counts.

Q: How do their single-core performances compare?

A: The EPYC 7281 leads in every single-core Cinebench test. In R15 it scores 261 versus 247 (5.7% ahead), in R20 it scores 1089 versus 1031 (5.6% ahead), and in R23 it scores 2594 versus 2456 (5.6% ahead). Despite the Intel chip's 4.70 GHz boost clock versus the EPYC's 2.70 GHz, the EPYC still wins these tests.

Q: Which processor supports ECC memory?

A: Only the AMD EPYC 7281 supports ECC memory. The Intel Core i7-11850HE does not have ECC support in its memory controller.

Q: What is the memory bandwidth difference?

A: The EPYC 7281 offers 170.6 GB/s of memory bandwidth through its eight-channel bus, while the i7-11850HE provides 51.2 GB/s via dual-channel memory. This gives the EPYC a substantial 3.3x advantage in theoretical memory bandwidth.

Q: Does either processor have integrated graphics?

A: Only the Intel Core i7-11850HE includes integrated graphics, specifically UHD Graphics (Xe-LP). The AMD EPYC 7281 has no integrated graphics in its specifications.

Q: What is the launch MSRP of the Intel chip?

A: The Intel Core i7-11850HE has a launch MSRP of $400. The AMD EPYC 7281 has no launch MSRP listed in the database.

Specification Differences

| Specification | AMD EPYC 7281 | Intel Core i7-11850HE |

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

| Cores | 16 | 8 |

| Threads | 32 | 16 |

| Boost Clock | 2.70 GHz | 4.70 GHz |

| TDP | 170 W | 35 W |

| Socket | AMD Socket SP3 | Intel BGA 1787 |

| Architecture | Zen (Naples) | Tiger Lake-H |

| Process Node | 14 nm | 10 nm |

| Foundry | GlobalFoundries | Intel |

| Transistors | 4,800 million | Not listed |

| Die Size | 213 mm² | 190 mm² |

| L1 Cache | 96 KB (per core) | 80 KB (per core) |

| L2 Cache | 512 KB (per core) | 1.25 MB (per core) |

| L3 Cache | 32 MB (shared) | 24 MB (shared) |

| Memory Bus | Eight-channel | Dual-channel |

| Memory Bandwidth | 170.6 GB/s | 51.2 GB/s |

| ECC Memory | Yes | No |

| PCIe | Gen 3 | Gen 4, 20 Lanes (CPU only) |

| Integrated Graphics | None | UHD Graphics (Xe-LP) |

| Market Segment | Server/Workstation | Mobile |

| Multiplier Unlocked | Yes | No |

| Part Number | Not listed | SRKWZ |

| Release Date | 2017-06-28 | 2021-08-02 |

| Launch MSRP | Not listed | $400 |

The base clock is identical at 2.10 GHz for both, and both support DDR4 memory. The EPYC has a TDP of 170 W versus the Intel's 35 W, making the Intel chip dramatically more power-efficient. The i7-11850HE also has a significantly higher boost clock (4.70 GHz versus 2.70 GHz), yet it still loses in all Cinebench tests.

Where Each One Wins

The AMD EPYC 7281 wins in every recorded benchmark comparison: all six Cinebench tests (R15, R20, R23, both single and multi-core). Its advantages come from having double the cores and threads, a larger L3 cache (32 MB versus 24 MB), eight-channel memory with ECC support, and 170.6 GB/s of memory bandwidth. This makes it the clear choice for server workloads, multi-threaded rendering, and any task that can leverage 16 cores and 32 threads. Its 60th percentile ranking and average score of 5315 place it alongside desktop flagship CPUs like the Intel Core i9-10900KF (5316, 0% delta), confirming its strength in high-throughput scenarios.

The Intel Core i7-11850HE wins in areas not directly measured by the head-to-head Cinebench tests. Its 35 W TDP makes it suitable for mobile and embedded systems where thermal and power constraints are critical. Its 4.70 GHz boost clock provides a theoretical advantage for bursty, lightly-threaded workloads, although the data shows it still loses in Cinebench single-core tests. The i7-11850HE also supports PCIe Gen 4, which is a generation ahead of the EPYC's Gen 3, and includes integrated graphics, eliminating the need for a discrete GPU in basic display scenarios. Its dual-channel memory and smaller form factor (BGA 1787) indicate a design focused on compact, power-conscious deployments.

The Intel chip's Geekbench scores (8576 multi-core, 1984 single-core) are recorded in the database, but no EPYC comparison exists for that suite. This means the i7-11850HE has demonstrated competence in Geekbench workloads, but its absence from the head-to-head table limits the conclusions we can draw about cross-processor performance in that test.

The Verdict

The data is unambiguous: the AMD EPYC 7281 outperforms the Intel Core i7-11850HE in every single benchmark where they are directly compared. The EPYC wins all six Cinebench tests by a consistent margin of 5.6% to 5.7%, driven by its 16 cores, 32 threads, and superior memory bandwidth. For anyone building a server or workstation that prioritizes raw multi-threaded compute and memory bandwidth, the EPYC 7281 is the definitive choice. Its eight-channel memory and ECC support are non-negotiable features for reliability-critical applications.

The Intel Core i7-11850HE, however, is not a failure; it is a different tool. Its 35 W TDP makes it one of the most power-efficient processors in its performance class, and its 4.70 GHz boost clock provides a high ceiling for single-threaded responsiveness. It includes integrated graphics, which the EPYC lacks, and supports PCIe Gen 4, making it a better fit for modern mobile workstations or compact embedded systems. The i7-11850HE also benefits from a later release date and a listed launch MSRP of $400, though pricing considerations are not part of this analysis.

The choice reduces to platform and priority. If the requirement is maximum Cinebench throughput and server-grade features (ECC, eight-channel memory), the EPYC 7281 wins outright. If the requirement is a low-power, mobile-compatible processor with modern PCIe and integrated graphics, the i7-11850HE is the only option that fits that profile. The benchmark record shows a clear performance winner, but the specification sheet reveals two processors designed for mutually exclusive environments. Pick the EPYC for the datacenter, pick the Intel for the portable workstation. The data supports both conclusions.