AMD Ryzen 5 PRO 5650U vs Intel Xeon E5-4627 v3 Comparison

The Intel Xeon E5-4627 v3 and the AMD Ryzen 5 PRO 5650U occupy opposite ends of the computing spectrum: one is a server/workstation part from 2015, the other a mobile processor from 2021. Their average benchmark scores are nearly identical, with the Xeon at 2789 and the Ryzen at 2713, and their percentile rankings sit at 51 and 50 respectively. Yet the head-to-head results reveal a split personality: the Xeon dominates one heavy multi-threaded test, while the Ryzen sweeps the other three, including a near-tie in single-core performance. This analysis walks through the recorded data to show where each chip actually wins.

Head-to-Head Benchmarks

The four direct comparisons in the database paint a clear picture of two very different strengths. In Cinebench R23 multi-core, the Intel Xeon E5-4627 v3 posts a score of 9642 against the Ryzen's 6429, a 50% advantage. That is the single largest delta in the entire head-to-head set, and it reflects the Xeon's higher core count and larger shared cache. For workloads that scale across many threads, the Xeon is decisively ahead.

The other three tests go to the AMD Ryzen 5 PRO 5650U. In Cinebench R15 multi-core, the Ryzen scores 1207 versus the Xeon's 971, a 19.6% lead. This is interesting because R15 is an older benchmark, but the data shows the Ryzen still wins it. In Cinebench R15 single-core, the Ryzen is far ahead: 218 versus 137, a 37.2% gap. That is a massive single-thread advantage, driven by the Ryzen's much higher boost clock of 4.20 GHz compared to the Xeon's 3.20 GHz.

The closest contest is Cinebench R23 single-core, where the Ryzen scores 1363 and the Xeon scores 1361, a delta of only 0.1%. This is effectively a tie, and it suggests that the Xeon's older Haswell architecture can still hold its own in lightly threaded tasks when clocked at its boost speed. However, the Ryzen's win in R15 single-core by 37.2% shows that the Xeon's single-thread performance is inconsistent across different benchmark versions.

Overall, the Ryzen wins three of the four head-to-head tests, but the Xeon's one win is by a huge margin. The average benchmark scores are close, but the distribution of wins is lopsided. The data indicates that the Xeon is a specialist for heavily parallel workloads, while the Ryzen is more balanced, with a clear edge in single-threaded and older multi-threaded tests.

Architecture Differences

The two processors come from different eras and design philosophies. The Intel Xeon E5-4627 v3 is built on a 22 nm process at Intel's foundry, using the Haswell-EP architecture. It packs 2,600 million transistors into a 356 mm² die. The AMD Ryzen 5 PRO 5650U uses a 7 nm process from TSMC, based on Zen 3 (Cezanne-U), with 10,700 million transistors on a 180 mm² die. The node difference is stark: 22 nm versus 7 nm, which explains the Ryzen's much lower power draw and higher clock speeds.

Core and thread counts differ significantly. The Xeon has 10 cores and 20 threads, while the Ryzen has 6 cores and 12 threads. The Xeon's L3 cache is 25 MB shared, compared to the Ryzen's 16 MB shared. Per-core L2 cache also differs: the Xeon has 256 KB per core, the Ryzen has 512 KB per core. L1 cache is identical at 64 KB per core.

Memory support is another major divergence. The Xeon uses quad-channel DDR4 with a theoretical bandwidth of 68.3 GB/s, and it supports ECC memory. The Ryzen uses dual-channel DDR4 with 51.2 GB/s bandwidth and no ECC support. The Xeon also offers 40 PCIe Gen 3 lanes (CPU only), while the Ryzen provides just 8 lanes. The Xeon has no integrated graphics, but the Ryzen includes a Radeon Vega 7 iGPU.

Power and packaging are worlds apart. The Xeon has a TDP of 135 W and uses the Intel Socket 2011-3. The Ryzen has a TDP of 15 W and uses the AMD Socket FP6. The Xeon is a server/workstation part, end-of-life, released in May 2015. The Ryzen is a mobile processor, still active, released in March 2021. The Xeon's launch MSRP was $2225; the Ryzen has no recorded launch MSRP.

FAQ

Q: Which processor has more cores and threads?

A: The Intel Xeon E5-4627 v3 has 10 cores and 20 threads, while the AMD Ryzen 5 PRO 5650U has 6 cores and 12 threads.

Q: Which processor has the higher boost clock?

A: The AMD Ryzen 5 PRO 5650U boosts to 4.20 GHz, while the Intel Xeon E5-4627 v3 boosts to 3.20 GHz.

Q: Does the AMD Ryzen 5 PRO 5650U support ECC memory?

A: No. The Ryzen does not support ECC memory, while the Intel Xeon E5-4627 v3 does.

Q: Which processor includes integrated graphics?

A: The AMD Ryzen 5 PRO 5650U includes a Radeon Vega 7 iGPU. The Intel Xeon E5-4627 v3 has no integrated graphics.

Q: Which processor has the higher single-core score in Cinebench R23?

A: The AMD Ryzen 5 PRO 5650U scores 1363, just 2 points ahead of the Intel Xeon E5-4627 v3's 1361, a 0.1% difference.

Q: Which processor has the higher multi-core score in Cinebench R23?

A: The Intel Xeon E5-4627 v3 scores 9642, which is 50% higher than the AMD Ryzen 5 PRO 5650U's 6429.

Specification Differences

The following fields differ between the two processors, based on the recorded data:

• Cores: Intel 10, AMD 6
• Threads: Intel 20, AMD 12
• Base Clock: Intel 2.60 GHz, AMD 2.30 GHz
• Boost Clock: Intel 3.20 GHz, AMD 4.20 GHz
• TDP: Intel 135 W, AMD 15 W
• Socket: Intel Socket 2011-3, AMD Socket FP6
• Architecture: Intel Haswell-EP, AMD Zen 3 (Cezanne-U)
• Process Node: Intel 22 nm, AMD 7 nm
• Foundry: Intel, TSMC
• Transistors: Intel 2,600 million, AMD 10,700 million
• Die Size: Intel 356 mm², AMD 180 mm²
• L2 Cache: Intel 256 KB per core, AMD 512 KB per core
• L3 Cache: Intel 25 MB shared, AMD 16 MB shared
• Memory Bus: Intel Quad-channel, AMD Dual-channel
• Memory Bandwidth: Intel 68.3 GB/s, AMD 51.2 GB/s
• ECC Memory: Intel true, AMD false
• PCIe: Intel Gen 3, 40 lanes, AMD Gen 3, 8 lanes
• Integrated Graphics: Intel none, AMD Radeon Vega 7
• Market Segment: Intel Server/Workstation, AMD Mobile
• Production Status: Intel End-of-life, AMD Active
• Release Date: Intel 2015-05-31, AMD 2021-03-15
• Launch MSRP: Intel $2225, AMD not recorded

The Verdict

The data points to a clear split. The Intel Xeon E5-4627 v3 is the choice for workloads that demand massive multi-threaded throughput, as evidenced by its 50% lead in Cinebench R23 multi-core. It also offers ECC memory, quad-channel bandwidth, and 40 PCIe lanes, making it suitable for server or workstation environments where those features matter. However, it is end-of-life, has a 135 W TDP, and no integrated graphics.

The AMD Ryzen 5 PRO 5650U wins the other three head-to-head tests, including a 37.2% margin in Cinebench R15 single-core and a 19.6% margin in R15 multi-core. Its 15 W TDP, integrated Radeon Vega 7, and active production status make it a practical choice for mobile or low-power systems. The near-tie in R23 single-core (0.1% delta) shows that the Xeon is not completely outclassed in lightly threaded tasks, but the Ryzen's overall balance and efficiency are hard to ignore.

For a user who prioritizes raw multi-threaded rendering in modern benchmarks like Cinebench R23, the Xeon is the clear winner. For anyone who needs a versatile, power-efficient processor with strong single-thread performance and integrated graphics, the Ryzen is the better fit. The average benchmark scores are close, but the specific wins tell the real story.

Where Each One Wins

Intel Xeon E5-4627 v3 wins in:

• Heavy multi-threaded workloads that scale with core count, as shown by the 50% lead in Cinebench R23 multi-core.
• Environments requiring ECC memory, quad-channel bandwidth, or 40 PCIe lanes.
• Server or workstation builds where the 135 W TDP and socket 2011-3 are acceptable.

AMD Ryzen 5 PRO 5650U wins in:

• Single-threaded tasks, with a 37.2% lead in Cinebench R15 single-core and a 0.1% edge in R23 single-core.
• Older multi-threaded benchmarks like Cinebench R15, where it leads by 19.6%.
• Mobile or low-power systems, thanks to its 15 W TDP and integrated Radeon Vega 7 graphics.
• Active production and modern 7 nm process, which suggests longer availability and better efficiency.

The recorded data does not support a single "best" processor. Instead, it shows two specialized tools: the Xeon for parallel compute, the Ryzen for balanced, efficient performance. Choose based on the workload, not on the average score.