AMD Ryzen 5 7520C vs Intel Xeon W-2123 Comparison

FAQ

Q: How do the AMD Ryzen 5 7520C and Intel Xeon W-2123 compare in overall benchmark scores?

A: The Ryzen 5 7520C has an average benchmark score of 2127, while the Xeon W-2123 scores 2079. The Ryzen sits 0.2% above the Intel Core i7-1160G7 and 0.3% above the Intel Atom C5125, while the Xeon is 0.1% below the Intel Core i3-9350KF and 0.1% above the Intel Xeon E5-2628 v3.

Q: Which processor wins in Cinebench R23 tests?

A: The Ryzen 5 7520C wins all Cinebench R23 tests. In multicore, it scores 7355 versus 7189 for the Xeon, a 2.3% advantage. In singlecore, it scores 1038 versus 1014, a 2.4% advantage.

Q: Do both processors have the same core and thread counts?

A: Yes, both have 4 cores and 8 threads. However, the Ryzen has a base clock of 2.80 GHz and boost of 4.30 GHz, while the Xeon has a base of 3.60 GHz and boost of 3.90 GHz.

Q: What are the power consumption differences?

A: The Ryzen 5 7520C has a TDP of 15 watts, while the Xeon W-2123 has a TDP of 120 watts. The Ryzen is a mobile processor, while the Xeon is a server/workstation part.

Q: Which processor supports ECC memory?

A: The Intel Xeon W-2123 supports ECC memory, while the AMD Ryzen 5 7520C does not. The Xeon also uses quad-channel DDR4 memory, while the Ryzen uses dual-channel LPDDR5.

Q: What is the production status of each processor?

A: The AMD Ryzen 5 7520C is listed as active, with a release date of 2023-05-22. The Intel Xeon W-2123 is end-of-life, with a release date of 2017-08-28.

Architecture Differences

The AMD Ryzen 5 7520C is built on the Zen 2 architecture with the Mendocino codename, manufactured on a 6 nm process at TSMC. The die size is 100 mm². The Intel Xeon W-2123 uses the Skylake architecture with the Skylake-W codename, manufactured on a 14 nm process at Intel, with a die size of 484 mm². This process advantage gives the Ryzen a significantly smaller physical footprint.

Both processors have 4 cores and 8 threads, but the cache layouts differ. The Ryzen has 64 KB of L1 cache per core, 512 KB of L2 cache per core, and 4 MB of shared L3 cache. The Xeon has 64 KB of L1 cache per core, 1 MB of L2 cache per core, and 8.25 MB of shared L3 cache. The Xeon's larger L2 and L3 caches reflect its workstation heritage, though the Ryzen compensates with a higher boost clock.

Memory architecture also separates these parts. The Ryzen 5 7520C supports LPDDR5 memory in a dual-channel configuration with 88.0 GB/s bandwidth. The Xeon W-2123 supports DDR4 in a quad-channel configuration with 85.3 GB/s bandwidth. The Xeon also supports ECC memory, which the Ryzen does not. PCIe connectivity differs substantially: the Ryzen offers Gen 3 with 4 lanes (CPU only), while the Xeon offers Gen 3 with 48 lanes (CPU only).

The Ryzen includes integrated Radeon 610M graphics, while the Xeon has no integrated graphics. The Ryzen is a mobile part in the 7000 series, while the Xeon is a server/workstation part. The Ryzen uses AMD Socket FT6, while the Xeon uses Intel Socket 2066. The Ryzen's part number is 100-000000773, and the Xeon's is SR3LJ.

Head-to-Head Benchmarks

The head-to-head data shows a clean sweep for the AMD Ryzen 5 7520C across all six Cinebench tests, with wins in both multicore and singlecore workloads. The margins are consistent, ranging from 2.0% to 2.4%. The Ryzen wins 6 tests, while the Xeon wins 0.

In Cinebench R15 multicore, the Ryzen scores 741 against the Xeon's 724, a 2.3% lead. In R15 singlecore, the Ryzen scores 104 against 102, a 2.0% advantage. These are the smallest margins in the comparison, suggesting the older Skylake design still holds its own in legacy workloads.

Moving to Cinebench R20, the Ryzen extends its lead slightly. In R20 multicore, it scores 3089 versus 3019, again a 2.3% delta. In R20 singlecore, it scores 435 versus 425, a 2.4% advantage. The singlecore gap grows from 2.0% in R15 to 2.4% in R20, indicating the Ryzen's higher boost clock of 4.30 GHz becomes more effective in newer test iterations.

Cinebench R23 shows the same pattern. In R23 multicore, the Ryzen scores 7355 versus 7189, a 2.3% delta. In R23 singlecore, it scores 1038 versus 1014, a 2.4% delta. The consistent singlecore advantage of 2.4% across R20 and R23 suggests the Ryzen's Zen 2 architecture scales better with modern instruction sets.

The average benchmark scores tell a similar story. The Ryzen's 2127 average is 48 points higher than the Xeon's 2079. Both processors sit at the 46th percentile among all CPUs, meaning they occupy the same performance tier overall, despite the Ryzen's consistent test wins.

Specification Differences

The two processors differ in several key specification fields. The Ryzen 5 7520C has a base clock of 2.80 GHz and a boost clock of 4.30 GHz, while the Xeon W-2123 has a base clock of 3.60 GHz and a boost clock of 3.90 GHz. The Xeon runs at a higher base clock, but the Ryzen has a higher boost clock.

TDP is a major differentiator: the Ryzen uses 15 watts, while the Xeon uses 120 watts. This reflects their market segments, with the Ryzen being a mobile part and the Xeon a server/workstation part. The sockets differ as well: AMD Socket FT6 for the Ryzen versus Intel Socket 2066 for the Xeon.

Cache configurations differ in L2 and L3. The Ryzen has 512 KB of L2 per core and 4 MB of shared L3, while the Xeon has 1 MB of L2 per core and 8.25 MB of shared L3. The Xeon's larger cache hierarchy may help in cache-sensitive workloads, though the benchmark data does not isolate this effect.

Memory support differs in type and channel count. The Ryzen supports LPDDR5 in dual-channel mode with 88.0 GB/s bandwidth. The Xeon supports DDR4 in quad-channel mode with 85.3 GB/s bandwidth. The Xeon also supports ECC memory, which the Ryzen does not. PCIe lanes differ dramatically: 4 lanes for the Ryzen versus 48 lanes for the Xeon.

The Ryzen includes integrated Radeon 610M graphics, while the Xeon has none. The process nodes differ: 6 nm TSMC for the Ryzen versus 14 nm Intel for the Xeon. The Ryzen is active and was released on 2023-05-22, while the Xeon is end-of-life and was released on 2017-08-28. The Xeon had a launch MSRP of $294.

Where Each One Wins

The AMD Ryzen 5 7520C wins in every benchmark recorded in the database. Its advantages are most pronounced in singlecore tests, where it leads by 2.4% in both Cinebench R20 and R23 singlecore. This makes it the better choice for lightly threaded workloads such as everyday desktop use, web browsing, and office applications, where the higher 4.30 GHz boost clock can be fully utilized.

The Ryzen also wins multicore tests, with a 2.3% advantage in Cinebench R15, R20, and R23 multicore. Its 15 watt TDP makes it far more suitable for thin-and-light laptops or fanless designs, where thermal constraints are tight. The integrated Radeon 610M graphics mean no separate GPU is needed for basic display output, simplifying system design.

The Intel Xeon W-2123 does not win any benchmark tests, but it holds advantages in specific use cases that the benchmarks do not capture. Its quad-channel DDR4 memory with 85.3 GB/s bandwidth and 48 PCIe Gen 3 lanes make it suited for workstation tasks requiring high memory throughput or many expansion cards. The ECC memory support is critical for error-sensitive workloads like data processing or financial calculations.

The Xeon's larger L3 cache of 8.25 MB may benefit workloads with large working sets, though the recorded benchmarks show no such advantage. Its higher 3.60 GHz base clock provides consistent performance under sustained loads, whereas the Ryzen relies on boost behavior. The Xeon's server-grade platform offers features like more robust I/O and longer lifecycle support, though it is now end-of-life.

The Verdict

The data shows a clear winner in raw benchmark performance: the AMD Ryzen 5 7520C takes all six Cinebench tests with margins between 2.0% and 2.4%. Its average benchmark score of 2127 exceeds the Xeon's 2079, and both sit at the same 46th percentile among all CPUs. For any user prioritizing Cinebench-style rendering workloads, the Ryzen is the superior choice.

However, the choice depends on platform requirements, not just benchmark scores. The Ryzen 5 7520C is a low-power mobile processor with integrated graphics, suitable for laptops and compact systems where 15 watts of thermal headroom is the limit. It offers LPDDR5 memory support and a modern 6 nm process, but only 4 PCIe Gen 3 lanes, limiting expansion options.

The Intel Xeon W-2123 is a workstation processor with ECC memory support, quad-channel DDR4, and 48 PCIe Gen 3 lanes. It consumes 120 watts and requires a Socket 2066 platform. For systems needing ECC reliability, extensive PCIe connectivity, or high memory channel counts, the Xeon remains viable despite losing every benchmark in the database.

The verdict is straightforward: choose the Ryzen 5 7520C for benchmark performance, power efficiency, and integrated graphics in a mobile or compact form factor. Choose the Xeon W-2123 for workstation features like ECC memory, quad-channel memory, and extensive PCIe lanes, accepting lower benchmark scores and higher power consumption. The Ryzen wins the performance comparison outright, but the Xeon wins on platform capabilities that benchmarks do not measure. For most users, the Ryzen 5 7520C is the more practical choice given its active production status and superior test results.