CPU Comparison

The Intel Xeon E5-2620 v3 and the Intel Core i3-9100F occupy opposite ends of the hardware spectrum, yet their average benchmark scores are nearly identical. The Xeon posts an average score of 1907, while the i3-9100F sits at 1903, a negligible gap that places both in the 43rd percentile of all CPUs. This statistical tie is deceptive, however, as the two chips achieve parity through fundamentally different architectures and design philosophies. The data reveals a clear split: the older, six-core server processor dominates every multi-threaded test, while the newer, higher-clocked desktop chip offers a different set of trade-offs that are not reflected in the overall average.

Where Each One Wins

The benchmark results are unambiguous: the Intel Xeon E5-2620 v3 wins all six head-to-head comparisons in the Cinebench suite, covering both single-core and multi-core workloads. This sweep is notable because the i3-9100F has significantly higher clock speeds, a 3.60 GHz base and 4.20 GHz boost compared to the Xeon's 2.40 GHz base and 3.20 GHz boost. Despite this clock disadvantage, the Xeon's advantage in core count (6 vs 4) and thread count (12 vs 4) proves decisive across every test.

The Xeon's wins are particularly pronounced in multi-core tests, where its 12 threads can be fully utilized. In Cinebench R23 multi-core, the Xeon scores 6595 against the i3's 5697, a 15.8% lead. This pattern holds across all three Cinebench versions tested, with the multi-core delta consistently hovering near 15.7-15.8%. The Xeon is the clear choice for threaded workloads such as video rendering, software compilation, or any task that scales with parallel execution.

Interestingly, the Xeon also wins every single-core test, though the margin is unexpected. In Cinebench R15 single-core, the Xeon scores 93 versus 80 for the i3, a 16.3% gap. This result contradicts the expectation that a newer, higher-clocked processor would dominate single-threaded performance. The data suggests that raw clock speed does not automatically translate to single-thread superiority in these specific Cinebench tests, and the Xeon's older Haswell architecture manages to outperform the Coffee Lake chip despite its lower frequency.

The i3-9100F does not win any of the six head-to-head benchmarks. However, it does have one notable advantage in the broader dataset: it includes Geekbench scores, posting 3962 multi-core and 1378 single-core, while the Xeon has no Geekbench results listed. This absence prevents a direct comparison in that particular benchmark suite, but it also highlights a potential area where the i3 could excel, one that is simply not covered by the available head-to-head data.

FAQ

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

A: The Xeon E5-2620 v3 wins all multi-core tests. In Cinebench R20 multi-core, it scores 2769 versus 2392 for the i3-9100F, a 15.8% advantage. The R15 and R23 multi-core tests show similar margins of 15.7% and 15.8%, respectively.

Q: Does the i3-9100F win any benchmark?

A: No. The head-to-head data shows the i3-9100F loses all six Cinebench tests. The Xeon E5-2620 v3 wins every comparison, with single-core deltas ranging from 15.8% to 16.3% and multi-core deltas of 15.7% to 15.8%.

Q: How do their average benchmark scores compare?

A: The Xeon E5-2620 v3 has an average benchmark score of 1907, while the i3-9100F averages 1903. The Xeon is listed as a nearest rival to the i3 with a deltaPct of -0.2%, meaning the Xeon is slightly ahead. Both processors sit in the 43rd percentile of all CPUs.

Q: What are the core and thread differences?

A: The Xeon E5-2620 v3 has 6 cores and 12 threads, while the i3-9100F has 4 cores and 4 threads. The Xeon's thread count is triple that of the i3, which explains its consistent multi-core advantage.

Q: Which processor has higher clock speeds?

A: The i3-9100F has substantially higher clocks, with a 3.60 GHz base and 4.20 GHz boost. The Xeon E5-2620 v3 runs at 2.40 GHz base and 3.20 GHz boost, making the i3 roughly 50% faster in base clock and 31% faster in boost clock.

Q: Do they support ECC memory?

A: Yes, both processors support ECC memory. This is notable for the i3-9100F, as ECC support is typically associated with server chips like the Xeon, yet the desktop i3 also includes this feature.

Head-to-Head Benchmarks

The benchmark data presents a consistent narrative across all six Cinebench tests: the Xeon E5-2620 v3 wins every time, and by almost identical margins. In multi-core tests, the Xeon's advantage is remarkably stable. Cinebench R15 multi-core shows the Xeon scoring 664 against 574 for the i3, a 15.7% lead. Cinebench R20 multi-core repeats this pattern with scores of 2769 versus 2392, a 15.8% delta. Cinebench R23 multi-core follows suit with 6595 against 5697, again a 15.8% difference.

The single-core results are even more surprising given the clock speed disparity. The i3-9100F boosts to 4.20 GHz, yet it cannot match the Xeon's 3.20 GHz boost in any single-core test. In Cinebench R15 single-core, the Xeon scores 93 versus 80, a 16.3% margin, the largest of any test. Cinebench R20 single-core shows a 16% gap with scores of 391 and 337. Cinebench R23 single-core narrows the margin slightly to 15.8%, with the Xeon scoring 931 against 804.

These results indicate that the Xeon's older Haswell architecture, despite lower clocks, delivers superior instructions-per-clock in Cinebench workloads. The i3's Coffee Lake architecture, with its smaller 14 nm process node and larger die size efficiency, cannot overcome the Xeon's raw execution resources. The consistency of the margins, all between 15.7% and 16.3%, suggests a structural advantage for the Xeon rather than a workload-specific anomaly.

The i3-9100F does have one benchmark category not covered by the Xeon: Geekbench. It scores 3962 multi-core and 1378 single-core in that suite. However, since the Xeon has no Geekbench results in the data, these numbers cannot be compared directly. The absence of this data point means the i3's only listed benchmark wins cannot be validated against the Xeon, leaving the head-to-head record at 6-0 in favor of the server chip.

Specification Differences

The two processors differ across nearly every specification category, starting with core configuration. The Xeon E5-2620 v3 offers 6 cores and 12 threads, while the i3-9100F provides 4 cores and 4 threads. This fundamental difference drives the multi-core performance gap. Clock speeds also diverged sharply: the Xeon runs at 2.40 GHz base and 3.20 GHz boost, whereas the i3 operates at 3.60 GHz base and 4.20 GHz boost.

The memory subsystem presents another major divergence. Both support DDR4, but the Xeon uses a quad-channel memory bus with a peak bandwidth of 59.7 GB/s, while the i3 uses a dual-channel bus with 38.4 GB/s. This 55% bandwidth advantage for the Xeon is significant for memory-intensive server workloads. The L3 cache also differs substantially: the Xeon has 15 MB shared L3 cache, while the i3 has only 6 MB shared.

The processors target different sockets and platforms. The Xeon uses Intel Socket 2011-3, while the i3 uses Intel Socket 1151. The Xeon provides 40 PCIe Gen 3 lanes from the CPU, compared to 16 lanes for the i3. The Xeon's die size is 356 mm², nearly three times larger than the i3's 126 mm², reflecting the additional cores and cache. The Xeon also has a higher TDP of 85 watts versus 65 watts for the i3.

Market positioning and timing further separate the two. The Xeon is a server and workstation part released in September 2014, while the i3 is a desktop chip released in April 2019. The Xeon's process node is 22 nm, while the i3 uses 14 nm. The Xeon's transistor count is listed at 2,600 million, while the i3's transistor count is not specified. Both processors are end-of-life and have locked multipliers.

Architecture Differences

The architectural gap between these two chips spans multiple generations and design philosophies. The Xeon E5-2620 v3 uses the Haswell-EP architecture built on a 22 nm process, a server-oriented design optimized for throughput and scalability. The i3-9100F uses the Coffee Lake Refresh architecture on a 14 nm process, a desktop design optimized for clock speed and cost efficiency.

The Xeon's Haswell architecture is designed for multi-socket server environments, which explains its 40 PCIe lanes, quad-channel memory support, and substantial 15 MB L3 cache. The 2,600 million transistors packed into a 356 mm² die reflect a focus on raw compute capability. In contrast, the i3's Coffee Lake architecture is a monolithic desktop design with a 126 mm² die and 6 MB L3 cache, prioritizing high clock speeds and power efficiency over parallel throughput.

The integration of Hyper-Threading is a critical architectural difference. The Xeon supports it, doubling its 6 cores into 12 threads. The i3-9100F does not support Hyper-Threading, leaving it with 4 threads from 4 cores. This means the Xeon can process three times as many threads simultaneously, which directly explains its consistent multi-core benchmark wins.

Despite these architectural differences, both processors share certain features. Both support ECC memory, both are fabricated by Intel, and both lack integrated graphics. The Xeon's server pedigree provides ECC support naturally, but the i3's inclusion of ECC is notable for a desktop part. The i3's smaller process node (14 nm vs 22 nm) represents newer manufacturing technology, yet this advantage does not translate into benchmark wins in the Cinebench suite, where the Xeon's larger core count and thread support dominate the results.