Intel Celeron G5920 vs Intel Xeon E5450 Comparison

Head-to-Head Benchmarks

The benchmark data presents a surprisingly consistent picture. Across all five recorded Cinebench tests, the Intel Celeron G5920 emerges as the victor, though by remarkably narrow margins. The largest advantage appears in the Cinebench R23 single-core test, where the Celeron G5920 scores 318 against the Xeon E5450's 310, a delta of 2.6%. The smallest gap is in Cinebench R15 multi-core, with the Celeron G5920 at 226 and the Xeon E5450 at 221, a 2.3% difference.

The multi-core results are particularly telling given the hardware disparity. The Celeron G5920, a dual-core part, beats the quad-core Xeon E5450 in Cinebench R20 multi-core with a score of 945 versus 923. This 2.4% lead extends to Cinebench R23 multi-core, where the Celeron G5920 posts 2252 against 2198, a 2.5% advantage. The pattern is consistent: the newer architecture of the Celeron G5920 compensates for its lower core count, delivering a slight but measurable edge in every workload tested.

Single-threaded performance tells a similar story. The Celeron G5920 wins the Cinebench R20 single-core test with 133 points against the Xeon E5450's 130, a 2.3% margin. The R23 single-core test shows the same trend, with the Celeron G5920 scoring 318 and the Xeon E5450 scoring 310. This consistency across all benchmarks suggests a fundamental architectural advantage rather than a workload-specific quirk.

The average benchmark scores reinforce this narrative. The Celeron G5920 holds an average score of 775, placing it in the 21st percentile of all CPUs. The Xeon E5450 averages 756, sitting in the 20th percentile. While both processors occupy similar performance tiers, the Celeron G5920 maintains a consistent, if modest, lead. The nearest rivals for the Celeron G5920 include the Intel Core i3-3250T at a matching 775 points and the Intel Pentium Silver J5005 at 776 points, showing the Celeron G5920 sits squarely in a competitive mid-range bracket. The Xeon E5450's closest competitor is the Intel Core i5-4250U at an identical 756 points.

Architecture Differences

The architectural gulf between these two processors is vast, despite their similar benchmark results. The Celeron G5920 is built on Intel's Comet Lake architecture, utilizing a 14nm process node. It features 2 cores and 2 threads, running at a base clock of 3.50 GHz with no boost clock. Its cache hierarchy consists of 64 KB L1 per core, 256 KB L2 per core, and a modest 2 MB shared L3 cache.

The Xeon E5450, by contrast, is a relic of the Core 2 era. It uses the Harpertown codename, built on a 45nm process node. This processor packs 4 cores and 4 threads at a slower 3.00 GHz base clock. Its cache architecture is notably different: 64 KB L1 per core and 6 MB L2 per die, with no L3 cache at all. The transistor count reflects the older manufacturing process, with 820 million transistors spread across a dual-die design measuring 2x 107 mm².

Memory support further separates these platforms. The Celeron G5920 supports DDR4 memory in a dual-channel configuration, delivering 42.7 GB/s of bandwidth. The Xeon E5450 relies on DDR2 or DDR3 depending on the motherboard, also dual-channel, though its memory bandwidth is not recorded in the database. The Xeon E5450 does support ECC memory, a feature absent from the Celeron G5920.

The socket situation is critical for any upgrade path. The Celeron G5920 uses Intel Socket 1200, a modern platform with PCIe Gen 3 support (16 lanes from the CPU). The Xeon E5450 uses the older Intel Socket 771, with PCIe Gen 2 support. The Celeron G5920 also includes integrated UHD 610 graphics, while the Xeon E5450 has no integrated graphics, requiring a discrete GPU for any display output.

Where Each One Wins

Based on the recorded benchmarks, the Celeron G5920 wins everywhere. It outperforms the Xeon E5450 in every single test, from multi-core rendering to single-threaded workloads. The margins are narrow, ranging from 2.3% to 2.6%, but they are consistent across all five Cinebench iterations.

The Celeron G5920's strengths lie in its architectural efficiency. Despite having half the cores of the Xeon E5450, it manages to stay ahead in multi-core tests. This suggests the newer Comet Lake architecture, with its higher clock speed and more efficient instruction processing, compensates for the core deficit. The single-core results are even more decisive, with the Celeron G5920's 3.50 GHz base clock providing a clear advantage over the Xeon E5450's 3.00 GHz.

The Xeon E5450's case is more nuanced. While it loses all recorded benchmarks, its 4-core design offers theoretical advantages in heavily threaded scenarios. The database does not show any test where this advantage materializes, but the raw core count suggests potential in workloads not captured by the Cinebench suite. Its ECC memory support also positions it for reliability-focused applications, though this does not translate into benchmark wins.

For practical use, the Celeron G5920 is the clear choice for any workload involving the tested applications. Its integrated graphics make it a more self-contained solution for basic systems, while the Xeon E5450 requires a discrete GPU. The Xeon E5450's server/workstation heritage, with its ECC support and multi-core design, might appeal to specific niche use cases, but the data does not support a performance advantage.

The Verdict

The data points to one conclusion: the Intel Celeron G5920 is the superior processor in every measured metric. It wins all five head-to-head benchmarks, holds a higher average benchmark score (775 versus 756), and ranks in a slightly higher percentile among all CPUs (21st versus 20th). The margins are small, but they are uniform and consistent.

For users seeking a modern, efficient desktop processor, the Celeron G5920 is the obvious choice. It offers newer architecture, higher clock speeds, DDR4 memory support, and integrated graphics. Its active production status means it remains available for current systems.

The Xeon E5450, while competitive in raw benchmark numbers, is an end-of-life product from 2007. Its 45nm process, DDR2/DDR3 memory support, and Socket 771 platform are severely outdated. The only scenarios where it might be preferable involve specific legacy systems or applications requiring ECC memory, which the Celeron G5920 does not support.

Strictly from the recorded data, the Celeron G5920 wins on every front. The Xeon E5450's 4-core configuration and ECC support are its only differentiating advantages, but they do not translate into benchmark victories. For anyone building a new system or upgrading an existing one, the Celeron G5920 is the recommended choice based on performance metrics alone.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Celeron G5920 has an average benchmark score of 775, compared to the Intel Xeon E5450's 756.

Q: What is the largest performance gap between the two CPUs?

A: The largest gap is in the Cinebench R23 single-core test, where the Celeron G5920 leads by 2.6% with a score of 318 against the Xeon E5450's 310.

Q: How many cores does each processor have?

A: The Celeron G5920 has 2 cores and 2 threads, while the Xeon E5450 has 4 cores and 4 threads.

Q: Does either processor support ECC memory?

A: The Xeon E5450 supports ECC memory, while the Celeron G5920 does not.

Q: What are the process nodes for these CPUs?

A: The Celeron G5920 is built on a 14nm process, while the Xeon E5450 uses a 45nm process.

Q: Which processor has integrated graphics?

A: The Celeron G5920 includes Intel UHD 610 integrated graphics, while the Xeon E5450 has no integrated graphics.

Specification Differences

| Specification | Intel Celeron G5920 | Intel Xeon E5450 |

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

| Cores | 2 | 4 |

| Threads | 2 | 4 |

| Base Clock | 3.50 GHz | 3.00 GHz |

| TDP | 58 W | 80 W |

| Socket | Intel Socket 1200 | Intel Socket 771 |

| Architecture | Comet Lake | Core 2 (Harpertown) |

| Process Node | 14 nm | 45 nm |

| Transistors | Not recorded | 820 million |

| Die Size | Not recorded | 2x 107 mm² |

| L2 Cache | 256 KB (per core) | 6 MB (per die) |

| L3 Cache | 2 MB (shared) | None |

| Memory Support | DDR4 | DDR2, DDR3 (depends on motherboard) |

| Memory Bandwidth | 42.7 GB/s | Not recorded |

| ECC Memory | No | Yes |

| PCIe | Gen 3, 16 Lanes (CPU only) | Gen 2 |

| Integrated Graphics | UHD 610 | None |

| Market Segment | Desktop | Server/Workstation |

| Production Status | Active | End-of-life |

| Release Date | 2020-04-29 | 2007-11-10 |

| Launch MSRP | Not recorded | $915 |

| Part Number | SRH42 | SLANQSLBBM |