AMD Ryzen 7 PRO 5850U vs Intel Xeon E5-2650 v4 Comparison

The AMD Ryzen 7 PRO 5850U and the Intel Xeon E5-2650 v4 represent two distinct eras of processor design, with the former being a modern 15-watt mobile part and the latter a 105-watt server/workstation chip from 2016. Despite their different market segments, their average benchmark scores are nearly identical, with the Ryzen 7 PRO 5850U scoring 3159 and the Xeon E5-2650 v4 scoring 3154, a difference of just 0.2%. The head-to-head benchmark results show a split decision, with each processor winning two tests, though the margins of victory differ significantly.

Head-to-Head Benchmarks

The most decisive victory in this comparison belongs to the AMD Ryzen 7 PRO 5850U in Cinebench R15 single-core testing. The Ryzen scores 227 points against the Xeon's 155, a delta of 46.5%. This massive margin reflects the fundamental clock speed and architectural advantages of the newer Zen 3 design, which boosts to 4.40 GHz compared to the Xeon's 2.90 GHz maximum. In Cinebench R15 multi-core, the Ryzen 7 PRO 5850U also takes the win, scoring 1467 versus the Xeon's 1098, a 33.6% advantage. This result is particularly notable because the Xeon has 12 cores and 24 threads, while the Ryzen has only 8 cores and 16 threads, showing that the Ryzen's per-core efficiency more than compensates for its lower core count in this older benchmark.

The Intel Xeon E5-2650 v4, however, flips the script in the newer Cinebench R23 tests. In multi-core, the Xeon scores 10904 against the Ryzen's 8716, giving Intel a 20.1% lead. This suggests that the R23 workload scales better with the Xeon's additional cores and 30 MB of shared L3 cache, allowing its 12-core/24-thread configuration to flex its muscles. The single-core R23 result is closer but still favors Intel, with the Xeon scoring 1539 versus the Ryzen's 1405, a delta of 8.7%. This is a surprising reversal given the Ryzen's 46.5% win in R15 single-core, indicating that the workloads stress different aspects of the microarchitecture.

Looking at the broader benchmark data, the Ryzen 7 PRO 5850U also holds the edge in Geekbench tests, with scores of 5696 multi-core and 1442 single-core, though these are not part of the direct head-to-head comparison. The average benchmark scores place both processors in the 53rd percentile of all CPUs, confirming that despite their very different designs, they land at nearly the same overall performance tier. The deltaPct values in their nearestRivals lists show the Ryzen at 0.2% above the Xeon, while the Xeon sits at -0.2% relative to the Ryzen, reinforcing how closely matched they are on average.

Where Each One Wins

The AMD Ryzen 7 PRO 5850U is the clear winner in legacy single-threaded workloads, as evidenced by its 46.5% lead in Cinebench R15 single-core. This makes it the better choice for applications that rely heavily on single-thread performance, such as older software, certain scripting workloads, or lightly threaded productivity tasks. Its 33.6% advantage in Cinebench R15 multi-core also suggests that for older multi-threaded applications, the Ryzen's high clock speeds and efficient Zen 3 cores provide superior performance despite having fewer cores. The Ryzen also benefits from its integrated Radeon Vega 8 graphics, allowing it to handle display output without a discrete GPU, which is impossible for the Xeon since it has no integrated graphics.

The Intel Xeon E5-2650 v4 wins in the newer Cinebench R23 tests, both multi-core and single-core. The 20.1% multi-core lead indicates that modern, heavily threaded workloads favor the Xeon's 12-core/24-thread configuration and its larger 30 MB L3 cache. This makes the Xeon a better fit for contemporary rendering, simulation, or database workloads that can utilize all 24 threads effectively. The 8.7% single-core win in R23 is more surprising but suggests that the newer benchmark's instruction mix plays to the Broadwell architecture's strengths in certain scenarios. The Xeon also supports ECC memory, which is critical for server and workstation environments where data integrity is paramount, whereas the Ryzen does not support ECC.

From a platform perspective, the Xeon E5-2650 v4 offers quad-channel memory support with 68.3 GB/s bandwidth, compared to the Ryzen's dual-channel 51.2 GB/s. This gives the Xeon a significant memory bandwidth advantage for memory-intensive server workloads. The Xeon also provides 40 PCIe Gen 3 lanes from the CPU, versus only 8 lanes on the Ryzen, making it far more suitable for systems with multiple GPUs, NVMe drives, or other high-bandwidth expansion cards. For mobile or compact systems, the Ryzen's 15 W TDP is a massive advantage over the Xeon's 105 W TDP, allowing for fanless or low-noise designs and dramatically lower power consumption.

Architecture Differences

The architectural divide between these two processors is stark. The AMD Ryzen 7 PRO 5850U is built on the Zen 3 architecture with the Cezanne-U codename, fabricated on TSMC's 7 nm process node. It packs 10,700 million transistors into a 180 mm² die. In contrast, the Intel Xeon E5-2650 v4 uses the Broadwell architecture with the Broadwell-EP codename, manufactured on Intel's 14 nm process. It contains only 3,400 million transistors on a larger 246 mm² die. This difference in process technology and transistor density explains much of the performance-per-watt gap between the two, with the Ryzen achieving its scores at a fraction of the power draw.

Cache configurations also differ substantially. Both processors share a 64 KB L1 cache per core, but the L2 cache differs: the Ryzen has 512 KB per core, while the Xeon has only 256 KB per core. This gives the Ryzen a per-core cache advantage that helps with single-threaded performance. For L3 cache, the Ryzen has 16 MB shared across all 8 cores, while the Xeon has 30 MB shared across 12 cores. The Xeon's larger total L3 cache is a key factor in its multi-core R23 victory, as it can hold more working data for the additional threads. Neither processor features the 3D V-Cache technology seen in some newer AMD parts.

The memory controllers and I/O configurations are also generationally different. The Ryzen 7 PRO 5850U supports dual-channel DDR4 memory with 51.2 GB/s bandwidth and no ECC support. The Xeon E5-2650 v4 supports quad-channel DDR4 with 68.3 GB/s bandwidth and full ECC support. For PCIe, the Ryzen provides 8 Gen 3 lanes from the CPU, while the Xeon provides 40 Gen 3 lanes. The Xeon's socket is Intel Socket 2011-3, a high-end desktop and server platform, while the Ryzen uses AMD Socket FP6, a mobile BGA package. These differences make the Ryzen suitable for thin-and-light laptops, while the Xeon is designed for multi-socket servers or high-end workstations.

Specification Differences

The most obvious specification difference is core and thread count: the Ryzen 7 PRO 5850U has 8 cores and 16 threads, while the Xeon E5-2650 v4 has 12 cores and 24 threads. Clock speeds also differ, with the Ryzen running at a 1900 MHz base clock and 4.40 GHz boost, versus the Xeon's 2200 MHz base and 2.90 GHz boost. The Ryzen's much higher boost clock is a key factor in its single-thread dominance, while the Xeon's higher base clock helps with sustained multi-threaded loads. Power consumption is dramatically different: the Ryzen has a 15 W TDP, while the Xeon has a 105 W TDP, a seven-fold difference.

The manufacturing process and physical characteristics differ as well. The Ryzen is built on a 7 nm node at TSMC, while the Xeon uses Intel's 14 nm node. Transistor counts are 10,700 million for the Ryzen versus 3,400 million for the Xeon, and die sizes are 180 mm² versus 246 mm² respectively. The Ryzen features integrated Radeon Vega 8 graphics, while the Xeon has no integrated graphics. Memory support differs in channel count (dual-channel vs quad-channel) and ECC capability (no vs yes). The Ryzen's memory bandwidth is 51.2 GB/s, while the Xeon's is 68.3 GB/s. PCIe lanes from the CPU are 8 on the Ryzen and 40 on the Xeon. The Ryzen is a mobile processor in active production, while the Xeon is an end-of-life server/workstation part. The Xeon has a launch MSRP of $1166, while the Ryzen has no listed launch MSRP.

FAQ

Q: Which processor has a higher average benchmark score?

A: The AMD Ryzen 7 PRO 5850U has an average benchmark score of 3159, while the Intel Xeon E5-2650 v4 scores 3154. This gives the Ryzen a 0.2% advantage over the Xeon in average performance.

Q: How do the two processors compare in Cinebench R23 multi-core performance?

A: The Intel Xeon E5-2650 v4 wins the Cinebench R23 multi-core test with a score of 10904, compared to the AMD Ryzen 7 PRO 5850U's score of 8716. This represents a 20.1% lead for the Xeon in this particular workload.

Q: Which CPU offers better single-core performance in legacy benchmarks?

A: The AMD Ryzen 7 PRO 5850U dominates in Cinebench R15 single-core, scoring 227 versus the Xeon's 155, a 46.5% advantage. This is driven by the Ryzen's higher 4.40 GHz boost clock compared to the Xeon's 2.90 GHz.

Q: What are the core and thread counts for each processor?

A: The AMD Ryzen 7 PRO 5850U has 8 cores and 16 threads, while the Intel Xeon E5-2650 v4 has 12 cores and 24 threads. The Xeon has 50% more cores and threads than the Ryzen.

Q: Does the Xeon E5-2650 v4 support ECC memory?

A: Yes, the Intel Xeon E5-2650 v4 supports ECC memory with a quad-channel DDR4 interface. The AMD Ryzen 7 PRO 5850U does not support ECC memory and uses a dual-channel DDR4 interface.

Q: What is the TDP difference between the two processors?

A: The AMD Ryzen 7 PRO 5850U has a TDP of 15 watts, while the Intel Xeon E5-2650 v4 has a TDP of 105 watts. The Ryzen consumes significantly less power, making it suitable for mobile devices.