AMD Ryzen 3 4300U vs Intel Xeon E3-1241 v3 Comparison

The Intel Xeon E3-1241 v3 and the AMD Ryzen 3 4300U represent two very different eras of CPU design, yet they land in the same performance percentile. Both processors sit at the 41st percentile of all CPUs in the database, with average benchmark scores of 1756 and 1742, respectively. The data reveals a fascinating split: the older Intel server chip dominates multi-threaded workloads, while the newer AMD mobile chip offers significantly better single-thread performance and efficiency.

Where Each One Wins

The Intel Xeon E3-1241 v3 is the clear victor in multi-threaded, heavily parallel workloads. In Cinebench R23 multi-core, it scores 6072 against the Ryzen's 3571, a decisive 70% advantage. This lead extends to Cinebench R15 multi-core, where the Xeon posts 612 versus 562.5, an 8.8% edge. The Xeon's 8 threads, compared to the Ryzen's 4, allow it to sustain higher throughput in rendering and encoding tasks that scale with thread count. For any workload that can utilize more than four threads, the Xeon's lead is substantial.

The AMD Ryzen 3 4300U wins decisively in single-threaded performance and efficiency. In Cinebench R23 single-core, the Ryzen scores 1074 versus the Xeon's 857, a 20.2% advantage. The gap is even more dramatic in Cinebench R15 single-core, where the Ryzen scores 163.9 against the Xeon's 86, a 47.5% difference. This makes the Ryzen the better choice for everyday responsiveness, lightly-threaded applications, and tasks like web browsing or office productivity where single-core speed is paramount.

The Ryzen also wins on power efficiency. Its TDP is 15 watts, compared to the Xeon's 80 watts. This five-fold difference in power envelope makes the Ryzen suitable for thin-and-light laptops, while the Xeon requires a desktop workstation platform. The Ryzen also includes integrated graphics, the Radeon Graphics 320SP, whereas the Xeon has no integrated graphics at all, requiring a discrete GPU for any display output.

Architecture Differences

The architectural gap between these two CPUs is generational. The Intel Xeon E3-1241 v3 is built on the Haswell architecture, specifically Haswell-WS, using Intel's 22 nm process node. It packs 1,400 million transistors on a 160 mm² die. The AMD Ryzen 3 4300U uses the Zen 2 architecture, codenamed Renoir, fabricated on TSMC's 7 nm process. It contains 9,800 million transistors on a 156 mm² die, showing a dramatic increase in transistor density.

The memory subsystems differ significantly. The Xeon supports DDR3 memory in a dual-channel configuration, with a memory bandwidth of 25.6 GB/s. The Ryzen supports DDR4 and LPDDR4, also in dual-channel, but with double the memory bandwidth at 51.2 GB/s. The Ryzen also supports ECC memory, a feature the Xeon lacks.

Cache layouts are distinct as well. Both have 64 KB of L1 cache per core, but the Ryzen has 512 KB of L2 per core compared to the Xeon's 256 KB. The Xeon counters with a larger 8 MB shared L3 cache, versus the Ryzen's 4 MB shared L3. The Xeon's larger L3 cache likely contributes to its multi-threaded strength, as more data can stay resident closer to the cores.

The Xeon is a server/workstation part on the Intel Socket 1150 platform, released in May 2014. The Ryzen is a mobile part on AMD Socket FP6, released in January 2020. The Xeon is end-of-life, while the Ryzen remains active in production. The Xeon's PCIe implementation is Gen 3 with 16 lanes from the CPU, while the Ryzen also supports PCIe Gen 3 but with no lane count specified in the data.

FAQ

Q: Which processor has better multi-core performance?

A: The Intel Xeon E3-1241 v3. It leads by 70% in Cinebench R23 multi-core (6072 vs 3571) and by 8.8% in Cinebench R15 multi-core (612 vs 562.5).

Q: Is the AMD Ryzen 3 4300U faster in single-core tasks?

A: Yes, significantly. It wins Cinebench R23 single-core by 20.2% (1074 vs 857) and Cinebench R15 single-core by 47.5% (163.9 vs 86).

Q: How do their power requirements compare?

A: The Ryzen 3 4300U has a 15 watt TDP, while the Xeon E3-1241 v3 has an 80 watt TDP. This makes the Ryzen far more suitable for mobile applications.

Q: Do both processors support ECC memory?

A: No. The Intel Xeon E3-1241 v3 supports ECC memory, while the AMD Ryzen 3 4300U does not.

Q: Which processor includes integrated graphics?

A: Only the AMD Ryzen 3 4300U, which features Radeon Graphics 320SP. The Intel Xeon E3-1241 v3 has no integrated graphics.

Q: What are the average benchmark scores for each?

A: The Xeon E3-1241 v3 has an average score of 1756, and the Ryzen 3 4300U has an average score of 1742. Both sit at the 41st percentile of all CPUs.

Specification Differences

The two processors differ in nearly every key specification. The Xeon E3-1241 v3 has 4 cores and 8 threads, while the Ryzen 3 4300U has 4 cores and 4 threads. The Xeon's base clock is 3.50 GHz with a boost of 3.90 GHz; the Ryzen's base clock is 2.70 GHz with a boost of 3.70 GHz. The Xeon's TDP is 80 watts, versus the Ryzen's 15 watts.

Process technology separates them: the Xeon uses 22 nm, the Ryzen uses 7 nm. Transistor counts are 1,400 million for the Xeon and 9,800 million for the Ryzen, on similar die sizes of 160 mm² and 156 mm², respectively. Cache differs: both have 64 KB L1 per core, but the Xeon has 256 KB L2 per core while the Ryzen has 512 KB. The Xeon's L3 is 8 MB shared, the Ryzen's is 4 MB shared.

Memory support is another differentiator: the Xeon uses DDR3, the Ryzen uses DDR4 and LPDDR4. Memory bandwidth is 25.6 GB/s for the Xeon and 51.2 GB/s for the Ryzen. ECC support is present on the Xeon but absent on the Ryzen. The Xeon has no integrated graphics; the Ryzen has Radeon Graphics 320SP. The Xeon targets the server/workstation market on Intel Socket 1150, while the Ryzen is a mobile part on AMD Socket FP6. The Xeon is end-of-life and had a launch MSRP of $273; the Ryzen is active with no MSRP listed.

Head-to-Head Benchmarks

The head-to-head results show a perfect 2-2 split, but the margins tell the real story. The Xeon's largest win comes in Cinebench R23 multi-core, where it scores 6072 versus the Ryzen's 3571. That 70% delta is a massive advantage for any multi-threaded rendering or video encoding workload. The Xeon also wins Cinebench R15 multi-core, but by a much smaller margin of 8.8%, scoring 612 versus 562.5. This suggests that the Xeon's advantage grows as the workload becomes more intensive and longer-running, likely due to its 8 threads and larger 8 MB L3 cache.

The Ryzen's wins are equally emphatic in single-core tests. In Cinebench R15 single-core, the Ryzen scores 163.9, which is 47.5% higher than the Xeon's 86. This is a staggering difference that reflects the architectural improvements of Zen 2 over Haswell. In Cinebench R23 single-core, the Ryzen scores 1074 versus 857, a 20.2% lead. The Ryzen's IPC advantage, enabled by the 7 nm process and newer architecture, is evident across both single-core tests.

The average benchmark scores are nearly identical — 1756 for the Xeon and 1742 for the Ryzen — which explains why both land at the 41st percentile. However, this average masks the divergent strengths. The Xeon's nearest rivals include the Intel Core i7-4790T with a delta of 0%, and the AMD Ryzen 3 PRO 3200GE at 0.4% faster. The Ryzen 3 4300U's nearest rival is the Intel Core i3-10100 at 0% delta, with the Intel Core i5-6600 just 0.1% faster. These comparisons show both CPUs are competitive within their respective performance classes.

For a user deciding between these two, the choice hinges on workload. The Xeon E3-1241 v3 is the multi-threaded workhorse with ECC support and higher power draw, suited for server or workstation use. The Ryzen 3 4300U is the efficient, single-thread performer with integrated graphics, built for mobile devices. The data shows no overall winner — only different tools for different jobs.