Intel Core 5 221E vs Intel Xeon 6507P Comparison

The Intel Xeon 6507P and Intel Core 5 221E occupy different corners of the Intel lineup, yet their benchmark averages are remarkably close. The Xeon 6507P, a Granite Rapids server part, posts an average benchmark score of 40426, while the Core 5 221E, a Bartlett Lake desktop chip, scores 40144. Both sit at the 87th percentile among all CPUs. The Xeon edges ahead in 12 of 17 head-to-head tests, but the Core 5 wins the other five, often by wide margins. The data shows two very different designs that happen to land in the same performance neighborhood, making the choice entirely dependent on workload.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Core 5 221E has 14 cores and 20 threads, compared to the Intel Xeon 6507P's 8 cores and 16 threads. Despite having fewer cores, the Xeon still wins most multi-threaded benchmarks.

Q: How do their memory systems differ?

A: The Xeon 6507P uses eight-channel DDR5 with 409.6 GB/s of bandwidth, while the Core 5 221E uses dual-channel DDR4 or DDR5 with 89.6 GB/s. The Xeon's memory bandwidth is over 4.5 times higher.

Q: Which CPU has higher single-thread performance?

A: The Core 5 221E wins PassMark single-thread tests with a score of 4147, which is 12.2% higher than the Xeon's 3643. The Xeon's higher base clock of 3.50 GHz and boost of 4.30 GHz do not compensate for the Core 5's 5.20 GHz boost clock in this test.

Q: Do both processors support ECC memory?

A: Yes, both the Xeon 6507P and the Core 5 221E support ECC memory. This makes the desktop-oriented Core 5 an option for error-sensitive workloads, though the Xeon's eight-channel controller is built for much larger memory pools.

Q: What are the manufacturing process nodes?

A: The Xeon 6507P is built on Intel's 5 nm process, while the Core 5 221E uses a 10 nm process. The Xeon also has a larger 48 MB shared L3 cache versus 24 MB on the Core 5.

Q: Which CPU offers integrated graphics?

A: Only the Core 5 221E includes integrated graphics in the form of UHD Graphics 730. The Xeon 6507P has no integrated graphics, requiring a discrete GPU for any display output.

Where Each One Wins

The Xeon 6507P dominates in server-style and data-heavy workloads. It wins all six Cinebench tests (R15, R20, R23) in both single and multi-core, with consistent 2.3-2.4% margins. Its biggest advantages come in PassMark extended instructions (50.3% ahead), physics (31.6% ahead), and prime number finding (29.5% ahead). Data compression also favors the Xeon by 9.8%, and random string sorting by 5.3%. The Xeon's 88 PCIe Gen 5 lanes and eight-channel memory bandwidth make it the clear choice for high-throughput compute, virtualization, and database work.

The Core 5 221E wins where raw integer and floating-point throughput matter. It leads PassMark integer math by 24.6% and floating-point math by 11.9%, reflecting its higher core count and boost clock. It also wins data encryption by 7.6% and single-thread performance by 12.2%. With 14 cores and a 5.20 GHz boost, the Core 5 is better suited for code compilation, spreadsheet-style number crunching, and general desktop productivity where burst performance and per-core speed are more valuable than memory bandwidth.

Architecture Differences

The Xeon 6507P uses the Granite Rapids architecture on a 5 nm process, built for the Xeon 6 generation (Granite Rapids-SP). It packs 8 cores with 16 threads, each core having 112 KB of L1 and 2 MB of L2 cache, plus a shared 48 MB L3. The Core 5 221E uses the Bartlett Lake architecture on a 10 nm process, with a die size of 257 mm². Its 14 cores and 20 threads share 24 MB of L3, with 80 KB L1 and 2 MB L2 per core. The Xeon's process advantage and larger cache per core help it overcome a 6-core deficit in many tests.

Memory architecture is the starkest difference. The Xeon uses eight-channel DDR5 with 409.6 GB/s bandwidth, while the Core 5 uses dual-channel DDR4 or DDR5 with 89.6 GB/s. The Xeon also provides 88 PCIe Gen 5 lanes versus 16 on the Core 5. Both support ECC memory, but the Xeon's controller is clearly designed for massive memory footprints. The Core 5 includes UHD Graphics 730; the Xeon has no iGPU. These are not merely different SKUs — they are different platforms with different physical sockets (Socket 4710 vs Socket 1700).

Specification Differences

• Cores: Xeon 6507P has 8; Core 5 221E has 14.
• Threads: Xeon 6507P has 16; Core 5 221E has 20.
• Base Clock: Xeon 6507P runs at 3.50 GHz; Core 5 221E at 2.70 GHz.
• Boost Clock: Xeon 6507P reaches 4.30 GHz; Core 5 221E reaches 5.20 GHz.
• TDP: Xeon 6507P is rated at 150 W; Core 5 221E at 65 W.
• Socket: Xeon 6507P uses Intel Socket 4710; Core 5 221E uses Intel Socket 1700.
• Process Node: Xeon 6507P is 5 nm; Core 5 221E is 10 nm.
• L1 Cache: Xeon 6507P has 112 KB per core; Core 5 221E has 80 KB per core.
• L3 Cache: Xeon 6507P has 48 MB shared; Core 5 221E has 24 MB shared.
• Memory Support: Xeon 6507P supports DDR5 only; Core 5 221E supports DDR4 and DDR5.
• Memory Bus: Xeon 6507P is eight-channel; Core 5 221E is dual-channel.
• Memory Bandwidth: Xeon 6507P offers 409.6 GB/s; Core 5 221E offers 89.6 GB/s.
• PCIe: Xeon 6507P has 88 Gen 5 lanes; Core 5 221E has 16 Gen 5 lanes.
• Integrated Graphics: Xeon 6507P has none; Core 5 221E has UHD Graphics 730.
• Die Size: Xeon 6507P is not specified; Core 5 221E is 257 mm².
• Launch MSRP: Xeon 6507P is $765; Core 5 221E is $232.

Head-to-Head Benchmarks

The Xeon 6507P sweeps the Cinebench suite by narrow but consistent margins. In Cinebench R23 multi-core, it scores 26548 versus 25933, a 2.4% lead. Single-core R23 shows 3747 versus 3661, also 2.3% ahead. This pattern repeats across R15 and R20, with the Xeon winning every variant by 2.3-2.4%. The multi-thread PassMark test follows suit: Xeon scores 31233, Core 5 scores 30510, a 2.4% edge. These results suggest the Xeon's architecture extracts more work per clock from its 8 cores than the Core 5 does from its 14.

The biggest Xeon wins are in specialized compute. PassMark extended instructions show a 50.3% gap (27385 vs 18216), indicating the Xeon's instruction set and pipeline handle complex operations far better. Physics simulation favors the Xeon by 31.6% (2935 vs 2230), and prime number finding by 29.5% (224 vs 173). Data compression is 9.8% better on the Xeon (356190 vs 324285). These are not marginal differences — they represent workload categories where the Xeon is in a different class entirely.

The Core 5 221E strikes back in math-heavy tasks. PassMark integer math shows a 24.6% lead for the Core 5 (117813 vs 88877), and floating-point math is 11.9% better (79028 vs 69604). Single-thread performance goes to the Core 5 by 12.2% (4147 vs 3643). Data encryption is also a Core 5 win, 19205 vs 17753, a 7.6% margin. These wins align with the Core 5's higher boost clock and additional cores, which help in tasks that scale with raw instruction throughput rather than memory bandwidth or cache efficiency.

The Verdict

The data supports a clear split: choose the Intel Xeon 6507P for workloads that depend on memory bandwidth, cache, and specialized instruction execution. Its 50.3% lead in extended instructions and 31.6% lead in physics make it the pick for scientific computing, simulation, and database workloads. The eight-channel memory and 88 PCIe Gen 5 lanes are built for heavy I/O and large data sets. The Xeon wins 12 of 17 benchmarks, including every Cinebench test, making it the safer choice for mixed multi-threaded workloads.

Choose the Intel Core 5 221E if your work is dominated by integer math, floating-point math, or single-threaded responsiveness. Its 24.6% integer lead and 12.2% single-thread lead are substantial, and its 65 W TDP makes it far easier to cool and power. The integrated UHD Graphics 730 removes the need for a discrete GPU in basic systems. For desktop productivity, code compilation, and encryption tasks, the Core 5 is the better fit — and its dual-channel memory is adequate for those workloads.

The Xeon 6507P costs $765 at launch MSRP, while the Core 5 221E costs $232. Both sit at the 87th percentile, but they achieve it through opposite means: the Xeon via platform-level advantages, the Core 5 via raw core count and clock speed. If your software can use the Xeon's memory bandwidth and extended instructions, it will be the faster part. If not, the Core 5's math throughput and single-thread speed will serve you better. The benchmark averages are nearly identical (40426 vs 40144), but the workload-specific gaps are anything but.