AMD Ryzen 9 4900HS vs Intel Xeon E5-4650 v3 Comparison

Where Each One Wins

The AMD Ryzen 9 4900HS and the Intel Xeon E5-4650 v3 occupy entirely different corners of the processor market, and the benchmark data reflects that divide clearly. The Ryzen 9 4900HS is a mobile part, built for thin-and-light laptops where power efficiency and single-thread responsiveness matter most. The Xeon E5-4650 v3 is a server and workstation chip, designed for sustained multi-threaded workloads in large chassis with abundant cooling and power delivery.

In the recorded head-to-head benchmarks, the Ryzen 9 4900HS wins both tests outright. It takes the Cinebench R15 multi-core test with a score of 1863 against the Xeon's 928, a 100.8% advantage. It also wins the single-core test, scoring 193 versus 131, a 47.3% lead. There are no benchmark categories in the database where the Xeon E5-4650 v3 claims a victory over the Ryzen 9 4900HS.

However, the Xeon's strengths lie elsewhere in the database. It carries a higher average benchmark score of 2664 compared to the Ryzen's 2573, and it sits at the 50th percentile of all CPUs, just above the Ryzen's 49th percentile. This suggests that when the full benchmark suite is considered, including tests not shared between the two, the Xeon's additional cores and larger cache pool help it edge ahead in aggregate performance. The Ryzen 9 4900HS is the clear winner in the direct comparisons available, but the Xeon's overall database standing hints at capabilities in workloads not covered by the head-to-head tests.

Architecture Differences

The two processors represent different generations and design philosophies. The Ryzen 9 4900HS uses AMD's Zen 2 architecture, codenamed Renoir, built on a 7 nm process at TSMC. It packs 8 cores and 16 threads, with a base clock of 3.00 GHz and a boost clock of 4.30 GHz. The Xeon E5-4650 v3 uses Intel's Haswell architecture, codenamed Haswell-EP, on a 22 nm process at Intel. It offers 12 cores and 24 threads, with a base clock of 2.10 GHz and a boost clock of 2.80 GHz.

The transistor counts and die sizes tell a striking story. The Ryzen 9 4900HS packs 9,800 million transistors into a 156 mm² die, while the Xeon E5-4650 v3 has only 2,600 million transistors across a much larger 356 mm² die. The 7 nm process allows AMD to fit nearly four times as many transistors into less than half the silicon area. This density difference helps explain the Ryzen's higher clock speeds and superior single-thread performance despite having fewer cores.

Cache configurations also diverge significantly. The Ryzen 9 4900HS has 64 KB of L1 per core, 512 KB of L2 per core, and 8 MB of shared L3. The Xeon E5-4650 v3 has 64 KB of L1 per core, 256 KB of L2 per core, and a much larger 30 MB of shared L3. The Xeon's larger L3 cache, combined with its quad-channel memory bus and 68.3 GB/s memory bandwidth, positions it for server workloads that benefit from large working sets and high memory throughput. The Ryzen's dual-channel bus delivers 51.2 GB/s, which is ample for mobile use but clearly smaller.

Memory support differs in another key way: the Xeon E5-4650 v3 supports ECC memory, while the Ryzen 9 4900HS does not. The Xeon also provides 40 PCIe Gen 3 lanes from the CPU, whereas the Ryzen's PCIe configuration is listed simply as Gen 3 without a lane count. The Xeon has no integrated graphics, while the Ryzen 9 4900HS includes Radeon Graphics with 512 shader processors, a necessity for a mobile chip that must drive displays without a discrete GPU.

Head-to-Head Benchmarks

The Cinebench R15 results provide the clearest illustration of the performance gap between these two processors. In the multi-core test, the Ryzen 9 4900HS scores 1863, which is 100.8% higher than the Xeon's 928. This is a remarkable margin, especially considering the Xeon has 50% more cores and 50% more threads. The Ryzen's higher clock speeds, more modern architecture, and superior IPC (instructions per clock) allow it to overcome the Xeon's core-count advantage in this workload.

The single-core test shows an even more dramatic efficiency difference. The Ryzen 9 4900HS scores 193, while the Xeon E5-4650 v3 manages only 131. That is a 47.3% lead for AMD. Single-core performance is heavily dependent on clock speed and architectural efficiency, and the Ryzen's 4.30 GHz boost clock versus the Xeon's 2.80 GHz boost clock explains much of this gap. The Zen 2 architecture's IPC advantage over Haswell compounds the clock-speed difference.

The average benchmark scores from the database add context. The Xeon E5-4650 v3 averages 2664 across all recorded benchmarks, while the Ryzen 9 4900HS averages 2573. That puts the Xeon roughly 3.5% ahead in aggregate, despite losing both head-to-head tests. The Xeon's nearest rivals include the Intel Core i7-9750HF at 2662 (0.1% behind), the Intel Core i7-9700T at 2668 (0.1% ahead), and the Intel Core i5-9500F at 2670 (0.2% ahead). The Ryzen's nearest rivals include the Intel Xeon E5-4620 v3 at 2587 (0.6% ahead), the Intel Xeon E-2174G at 2588 (0.6% ahead), and the AMD Ryzen 7 4800HS at 2557 (0.6% behind). These proximity bands show both processors sitting in competitive clusters, but the Xeon's cluster is slightly higher overall.

FAQ

Q: Which processor wins in multi-core performance?

A: The AMD Ryzen 9 4900HS scores 1863 in Cinebench R15 multi-core, while the Intel Xeon E5-4650 v3 scores 928. The Ryzen wins by 100.8%.

Q: Does the Xeon E5-4650 v3 have more cores?

A: Yes, the Xeon has 12 cores and 24 threads, while the Ryzen 9 4900HS has 8 cores and 16 threads.

Q: Which processor has a higher boost clock?

A: The Ryzen 9 4900HS boosts to 4.30 GHz, while the Xeon E5-4650 v3 boosts to 2.80 GHz.

Q: Do both processors support ECC memory?

A: No. The Intel Xeon E5-4650 v3 supports ECC memory, while the AMD Ryzen 9 4900HS does not.

Q: Which processor has a larger L3 cache?

A: The Xeon E5-4650 v3 has 30 MB of shared L3 cache, while the Ryzen 9 4900HS has 8 MB of shared L3.

Q: What is the average benchmark score for each processor?

A: The Xeon E5-4650 v3 averages 2664, while the Ryzen 9 4900HS averages 2573, putting the Xeon about 3.5% ahead in aggregate database performance.

Specification Differences

The database records the following key specification differences between the two processors:

• Cores: 8 (AMD) versus 12 (Intel)
• Threads: 16 (AMD) versus 24 (Intel)
• Base Clock: 3.00 GHz (AMD) versus 2.10 GHz (Intel)
• Boost Clock: 4.30 GHz (AMD) versus 2.80 GHz (Intel)
• TDP: 35 W (AMD) versus 105 W (Intel)
• Socket: AMD Socket FP6 versus Intel Socket 2011-3
• Process Node: 7 nm (AMD) versus 22 nm (Intel)
• Transistors: 9,800 million (AMD) versus 2,600 million (Intel)
• Die Size: 156 mm² (AMD) versus 356 mm² (Intel)
• L2 Cache: 512 KB per core (AMD) versus 256 KB per core (Intel)
• L3 Cache: 8 MB shared (AMD) versus 30 MB shared (Intel)
• Memory Bus: Dual-channel (AMD) versus Quad-channel (Intel)
• Memory Bandwidth: 51.2 GB/s (AMD) versus 68.3 GB/s (Intel)
• ECC Memory: No (AMD) versus Yes (Intel)
• Integrated Graphics: Radeon Graphics 512SP (AMD) versus None (Intel)
• Market Segment: Mobile (AMD) versus Server/Workstation (Intel)
• Production Status: Active (AMD) versus End-of-life (Intel)
• Release Date: 2020-03-06 (AMD) versus 2015-05-31 (Intel)
• Launch MSRP: None listed (AMD) versus $2838 (Intel)

The Verdict

The data points to a clear split based on use case. The AMD Ryzen 9 4900HS is the better choice for any workload that prioritizes single-thread performance, clock speed, power efficiency, or portability. Its 47.3% lead in single-core Cinebench R15, its 4.30 GHz boost clock, and its 35 W TDP make it the obvious pick for laptops and mobile workstations. The integrated Radeon Graphics also eliminates the need for a discrete GPU in basic display scenarios.

The Intel Xeon E5-4650 v3, despite losing both head-to-head comparisons, remains relevant for server and workstation environments where its 12 cores, 24 threads, 30 MB L3 cache, quad-channel memory, and ECC support matter more than raw clock speed. Its 68.3 GB/s memory bandwidth and 40 PCIe lanes suit memory-heavy and I/O-intensive workloads. The higher average benchmark score of 2664 versus 2573 suggests that in the broader database context, the Xeon's overall capability is slightly greater, even though it loses the specific tests shared with the Ryzen.

The production status tells a practical story: the Ryzen 9 4900HS is listed as Active, while the Xeon E5-4650 v3 is End-of-life. For new system designs, the Ryzen is the forward-looking option. For existing server infrastructure built around Socket 2011-3, the Xeon remains a known quantity with established support. The launch MSRP of $2838 for the Xeon reflects its enterprise positioning, though no equivalent figure is recorded for the Ryzen.

Benchmark results indicate that the Ryzen 9 4900HS delivers modern mobile efficiency and strong single-thread performance, while the Xeon E5-4650 v3 offers legacy server features and a larger core count. Neither processor dominates the other across all metrics; the choice depends entirely on whether the workload favors clock speed and efficiency or core count and memory bandwidth.