AMD Ryzen 7 5800XT vs Intel Core 7 251E Comparison

Head-to-Head Benchmarks

The recorded data shows a clear performance gap between these two processors, though direct head-to-head benchmark comparisons are limited by the absence of a shared test suite in the database. The AMD Ryzen 7 5800XT has 22 benchmark entries spanning 3DMark, Cinebench, and Passmark workloads, while the Intel Core 7 251E currently has no recorded benchmark scores. This asymmetry means the analysis must rely on the AMD processor's measured results against its nearest rivals, plus the architectural and specification differences between the two chips.

The AMD Ryzen 7 5800XT posts an average benchmark score of 29,879 across all recorded tests, placing it in the 81st percentile of all CPUs in the database. Its nearest rivals include the AMD Ryzen 7 7840H at 29,868 (0% delta), the AMD Ryzen 7 8845HS at 29,955 (-0.3% delta), and the AMD Ryzen 7 7840HS at 29,955 (-0.3% delta). The Ryzen 5 9600X trails at 29,713, a 0.6% advantage for the 5800XT. These figures indicate the 5800XT sits in a tightly contested performance cluster where the top competitors are within a fraction of a percent of each other.

In multi-threaded workloads, the 5800XT demonstrates strong scaling. The 3DMark 16-thread test returns 7,683, while the max-thread result is 7,680, showing near-identical performance when all threads are engaged. The 8-thread score of 6,141 and 4-thread score of 3,603 reveal a consistent scaling curve. Cinebench R23 multicore produces 23,794, while R20 multicore yields 9,993 and R15 multicore reaches 2,398. These numbers confirm a processor that maintains its efficiency as thread counts rise.

Single-thread results are equally competitive. The 3DMark single-thread score is 959, while the 2-thread score is 1,879. Cinebench R23 single-core reaches 3,359, R20 single-core hits 1,410, and R15 single-core lands at 338. Passmark single-thread returns 3,535. The near-doubling from single-thread to 2-thread scores indicates efficient thread handling with minimal overhead.

The Passmark suite adds further resolution. Integer math scores 93,942, floating point math reaches 53,808, and extended instructions hit 24,270. Data encryption produces 21,461, while data compression scores 352,002. Random string sorting posts 35,911. The multithread score of 28,053 and physics score of 1,355 round out the picture of a processor that handles both integer-heavy and floating-point-heavy tasks with composure.

The Intel Core 7 251E, with a 50th percentile ranking and no average benchmark score, cannot be directly compared through measured results. The database shows zero wins for either processor in head-to-head tests, reflecting the absence of shared benchmark data rather than any performance equivalence. What remains is a comparison built on the architectural and specification differences documented in the database.

Architecture Differences

The two processors diverge fundamentally in their underlying designs. The AMD Ryzen 7 5800XT uses the Zen 3 architecture, codenamed Vermeer, built on a 7 nm process at TSMC. It packs 4,150 million transistors into a 74 mm² die. The Intel Core 7 251E uses the Bartlett Lake codename on Intel's 10 nm process, with a substantially larger 257 mm² die and no transistor count listed in the database. The node advantage belongs to AMD by process size, but the Intel chip compensates with a larger physical footprint.

Core and thread counts differ sharply. The AMD processor offers 8 cores and 16 threads, while the Intel processor provides 24 cores and 32 threads. This gives the Intel chip a 3x core advantage and exactly double the thread count. The base clock of the AMD chip is 3.80 GHz against 2.10 GHz for Intel, a 1.70 GHz advantage for AMD at the floor. Boost clocks reverse the picture: Intel reaches 5.60 GHz versus 4.80 GHz for AMD, a 0.80 GHz advantage for Intel at the ceiling.

Cache hierarchies reflect the different design philosophies. The AMD chip allocates 64 KB of L1 cache per core, 512 KB of L2 per core, and 32 MB of shared L3. The Intel chip provides 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3. Intel's per-core L2 allocation is four times larger than AMD's, and its L3 pool is 4 MB larger overall. Total L3 figures are not recorded for either processor, and neither uses 3D V-Cache.

Memory support separates the platforms. The AMD processor supports DDR4 only, while the Intel chip supports both DDR4 and DDR5. Both use dual-channel memory buses, but peak bandwidth differs considerably: 51.2 GB/s for AMD versus 89.6 GB/s for Intel. The Intel platform's DDR5 compatibility enables the higher bandwidth figure. ECC memory is supported on both processors.

PCIe connectivity also differs. The AMD chip provides PCIe Gen 4 with 20 CPU lanes, while the Intel chip offers PCIe Gen 5 with 16 CPU lanes. The AMD processor has more lanes at a slower generation; the Intel processor has fewer lanes at a faster generation. Integrated graphics are absent on the AMD chip, while the Intel chip includes UHD Graphics 770.

The power envelope favors Intel on paper. AMD specifies a 105 W TDP, while Intel specifies 65 W. The Intel chip delivers more cores and threads within a lower TDP, though the database does not record actual power consumption under load. The AMD processor has an unlocked multiplier, while the Intel multiplier is locked, a meaningful difference for overclocking. Sockets are incompatible: AMD uses Socket AM4, Intel uses Socket 1700. Release dates place the AMD chip at 2024-07-30 and the Intel chip at 2025-01-12, a gap of less than six months. The launch MSRP for the AMD processor is $249; the launch MSRP for the Intel processor is $384. The Intel chip's production status is Active, matching the AMD chip's status.

The Verdict

The benchmark data supports a clear division of roles. The AMD Ryzen 7 5800XT is a measured performer with a comprehensive benchmark record. Its 81st percentile ranking, average score of 29,879, and competitive position against the Ryzen 7 7840H, Ryzen 7 8845HS, and Ryzen 7 7840HS show a processor that delivers consistent results across single-thread, multi-thread, and specialized workloads. The Intel Core 7 251E, with no recorded benchmarks and a 50th percentile ranking, cannot demonstrate equivalent measured performance in this database.

For workloads that depend on raw core count and thread count, the Intel chip's 24 cores and 32 threads present a structural advantage over the AMD chip's 8 cores and 16 threads. The higher 5.60 GHz boost clock and larger L2 and L3 caches reinforce that advantage for bursty, cache-sensitive tasks. The lower 65 W TDP suggests efficiency on paper, though no power measurements are recorded.

For workloads that depend on sustained per-core performance and platform maturity, the AMD chip's Zen 3 architecture, 7 nm process, and unlocked multiplier offer a different set of strengths. The higher base clock of 3.80 GHz and the proven benchmark results across 3DMark, Cinebench, and Passmark give it a measurable performance profile that the Intel chip currently lacks in the database. The AMD chip also provides 20 PCIe Gen 4 lanes against Intel's 16 Gen 5 lanes, which matters for multi-device storage or expansion setups.

The socket and memory situations are decisive for platform choice. AMD Socket AM4 with DDR4 support suits an existing AM4 ecosystem. Intel Socket 1700 with DDR4 and DDR5 support suits a newer build or an upgrade path that includes DDR5. The Intel chip's integrated UHD Graphics 770 makes it viable without a discrete GPU, while the AMD chip requires one. The Intel chip's locked multiplier limits overclocking, while the AMD chip's unlocked multiplier invites it.

The data indicates the AMD Ryzen 7 5800XT is the better-documented performer today, with a full benchmark record and a strong percentile standing. The Intel Core 7 251E offers more cores, more threads, faster boost clocks, larger caches, and newer memory support, but its performance is unverified in this database. Selection depends on whether the priority is measured, available performance data or raw architectural specifications.

Specification Differences

The table below lists only the fields where the two processors differ, according to the database.

| Field | AMD Ryzen 7 5800XT | Intel Core 7 251E |

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

| Cores | 8 | 24 |

| Threads | 16 | 32 |

| Base Clock | 3.80 GHz | 2.10 GHz |

| Boost Clock | 4.80 GHz | 5.60 GHz |

| TDP | 105 W | 65 W |

| Socket | AMD Socket AM4 | Intel Socket 1700 |

| Architecture | Zen 3 | Not listed |

| Codename | Vermeer | Bartlett Lake |

| Generation | Ryzen 7 (Zen 3 (Vermeer)) | Core 7 (Bartlett Lake) |

| Process Node | 7 nm | 10 nm |

| Foundry | TSMC | Intel |

| Transistors | 4,150 million | Not listed |

| Die Size | 74 mm² | 257 mm² |

| L1 Cache | 64 KB (per core) | 80 KB (per core) |

| L2 Cache | 512 KB (per core) | 2 MB (per core) |

| L3 Cache | 32 MB (shared) | 36 MB (shared) |

| Memory Support | DDR4 | DDR4, DDR5 |

| Memory Bandwidth | 51.2 GB/s | 89.6 GB/s |

| PCIe | Gen 4, 20 Lanes (CPU only) | Gen 5, 16 Lanes (CPU only) |

| Integrated Graphics | N/A | UHD Graphics 770 |

| Release Date | 2024-07-30 | 2025-01-12 |

| Launch MSRP | $249 | $384 |

| Multiplier Unlocked | Yes | No |

| Part Number | 100-000001582 | SRQDUQ657 |

| Percentile vs All CPUs | 81 | 50 |

| Average Benchmark Score | 29,879 | 0 |

Fields not listed, including ECC memory support, memory bus type, market segment, and production status, are identical for both processors.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 7 251E has 24 cores and 32 threads, while the AMD Ryzen 7 5800XT has 8 cores and 16 threads.

Q: What are the clock speed differences between the two?

A: The AMD Ryzen 7 5800XT has a base clock of 3.80 GHz and a boost clock of 4.80 GHz. The Intel Core 7 251E has a base clock of 2.10 GHz and a boost clock of 5.60 GHz.

Q: Which processor supports DDR5 memory?

A: The Intel Core 7 251E supports both DDR4 and DDR5. The AMD Ryzen 7 5800XT supports DDR4 only.

Q: Do both processors support ECC memory?

A: Yes, both the AMD Ryzen 7 5800XT and the Intel Core 7 251E support ECC memory.

Q: What is the average benchmark score for each processor?

A: The AMD Ryzen 7 5800XT has an average benchmark score of 29,879. The Intel Core 7 251E has an average benchmark score of 0, with no recorded benchmark entries.

Q: Which processor has integrated graphics?

A: The Intel Core 7 251E includes UHD Graphics 770. The AMD Ryzen 7 5800XT has no integrated graphics.

Q: What are the TDP values for each processor?

A: The AMD Ryzen 7 5800XT has a TDP of 105 W. The Intel Core 7 251E has a TDP of 65 W.

Where Each One Wins

The AMD Ryzen 7 5800XT wins in measured performance documentation. It holds an 81st percentile ranking against all CPUs, an average benchmark score of 29,879, and a complete set of 3DMark, Cinebench, and Passmark results. Its nearest rivals are within 0.6% of its average score, confirming it sits at the top of a competitive cluster. The higher base clock of 3.80 GHz gives it an advantage in workloads that favor sustained frequency without boost dependence. The unlocked multiplier allows frequency adjustments that the locked Intel chip cannot match. The 20 PCIe Gen 4 lanes provide more expansion capacity than Intel's 16 Gen 5 lanes, which suits multi-device configurations. The smaller 74 mm² die and 4,150 million transistor count on a 7 nm process suggest a denser, more power-efficient design at the transistor level, though power measurements are not recorded.

The Intel Core 7 251E wins in architectural capacity. Its 24 cores and 32 threads double the thread count and triple the core count of the AMD chip, making it structurally superior for heavily parallel workloads. The 5.60 GHz boost clock exceeds the AMD chip's 4.80 GHz by 0.80 GHz, giving it an edge in bursty single-thread or lightly threaded tasks that reach boost frequencies. The larger L2 cache at 2 MB per core, four times AMD's 512 KB per core, and the 36 MB L3 pool, 4 MB larger than AMD's, favor cache-sensitive applications. The 89.6 GB/s memory bandwidth, enabled by DDR5 support, is 38.4 GB/s higher than the AMD chip's 51.2 GB/s. The integrated UHD Graphics 770 eliminates the need for a discrete GPU in basic display scenarios. The 65 W TDP is 40 W lower than the AMD chip's 105 W, suggesting lower thermal output. The 257 mm² die provides a larger physical area for the 24-core configuration. The newer release date of 2025-01-12 places it after the AMD chip's 2024-07-30 launch, and its DDR4 and DDR5 compatibility offers broader memory choices.

The 3DMark results for the AMD chip show specific strengths. The 16-thread score of 7,683 and max-thread score of 7,680 indicate the processor saturates its 16 threads efficiently. The 2-thread score of 1,879 is nearly double the single-thread score of 959, showing minimal threading overhead. The Passmark data compression score of 352,002, integer math score of 93,942, and floating point math score of 53,808 give it a documented edge in those specific workloads, though the Intel chip has no comparable scores to challenge them. Cinebench R23 multicore at 23,794 and single-core at 3,359 provide reference points for rendering and single-thread tasks that the Intel chip cannot yet counter with recorded data.

The database shows no head-to-head benchmark wins for either processor, as no shared test results exist. The choice between them rests on the type of workload and platform preference. The AMD Ryzen 7 5800XT is the only one of the two with verified performance data, and it occupies a strong percentile position. The Intel Core 7 251E offers a larger core count, faster boost clock, larger caches, newer memory support, integrated graphics, and a lower TDP, but its performance remains unmeasured in this database.