CPU Comparison

Intel Xeon E5530 and AMD A10-5800B represent two very different answers to the same question: how to get four cores of computing on a platform. The E5530 is a server-class Nehalem part from 2009, while the A10-5800B is a desktop Piledriver APU from 2012. Benchmark data shows both land at the 21st percentile of all CPUs, with the Xeon averaging an 801 benchmark score against the AMD's 794. The Xeon edges out the A10 by a razor-thin margin in aggregate performance, but the story is far more complex when you look at the specifics of how they achieve those scores.

Head-to-Head Benchmarks

The head-to-head benchmark table between these two processors is empty, meaning no direct comparison tests exist in the database. Instead, the available benchmark suites reveal a clear divergence in workload strengths. The Xeon E5530's results come exclusively from Cinebench rendering tests: it scores 234 in Cinebench R15 multi-core, 977 in R20 multi-core, 137 in R20 single-core, 2328 in R23 multi-core, and 328 in R23 single-core. These numbers show a processor that scales well with thread count, its multi-core scores are roughly seven times its single-core scores in the R20 and R23 tests, indicating the eight threads are being utilized effectively.

The AMD A10-5800B, by contrast, has only Geekbench results in the database: 1128 in multi-core and 459 in single-core. The single-core score of 459 is significantly higher than the Xeon's R20 single-core score of 137, but these are different benchmark suites measuring different workloads, so direct comparison is not possible. What the data does show is that the A10's multi-core score is only 2.46 times its single-core score, a much lower scaling ratio than the Xeon's. This reflects the A10's four threads versus the Xeon's eight, the AMD part simply doesn't have the extra logical processors to feed.

Looking at aggregate performance, the Xeon's average benchmark score of 801 places it exactly level with the AMD A10-7700K and Intel Pentium Silver J5040 (both at 801, 0% delta). The A10-5800B's average of 794 sits just 0.1% behind the AMD A6-9400 (794) and 0.3% behind the AMD A10-7850K (796). The Xeon also holds a slight edge over the A10 in raw average score, 801 versus 794, a difference of about 0.9%. This is a marginal gap, well within the noise of different benchmark generations. The Xeon's nearest rival, the Intel Core i5-3320M, scores 803 (0.2% higher), while the A10's nearest rival, the Intel Core 2 Extreme QX9770, scores 790 (0.5% lower). Both processors are firmly planted in the same performance tier, trading blows with mid-range parts from several generations.

Architecture Differences

The architectural gulf between these two chips is vast. The Xeon E5530 uses the Nehalem architecture (codename Gainestown) built on Intel's 45 nm process, containing 731 million transistors on a 263 mm² die. It features 4 cores with 8 threads via Hyper-Threading, a 64 KB L1 cache per core, 256 KB L2 per core, and a shared 8 MB L3 cache. Memory support is DDR3 over a triple-channel bus, delivering 25.6 GB/s of bandwidth, and it supports ECC memory. The chip runs at a 2.40 GHz base clock with a 2.67 GHz boost, has a TDP of 80 W, and uses Intel Socket 1366. It has no integrated graphics and targets the server/workstation segment.

The A10-5800B uses AMD's Piledriver architecture (codename Trinity) on a 32 nm process from GlobalFoundries, packing 1,303 million transistors onto a 246 mm² die. It has 4 cores and 4 threads, no SMT equivalent, with a 192 KB L1 cache and a 4 MB shared L2 cache, but no L3 cache at all. Memory support is DDR3 over a dual-channel bus, providing 29.9 GB/s of bandwidth, and ECC is not supported. The base clock is much higher at 3.80 GHz, boosting to 4.20 GHz, with a TDP of 100 W on AMD Socket FM2. Critically, it includes integrated Radeon HD 7660D graphics, making it an APU rather than a pure CPU.

The process node difference is significant: 45 nm versus 32 nm. This explains the transistor count disparity, the AMD packs nearly 78% more transistors (1,303 million versus 731 million) into a smaller die (246 mm² versus 263 mm²). The Xeon compensates with a larger L3 cache and eight threads, while the AMD relies on higher clock speeds (3.80 GHz versus 2.40 GHz base) and faster memory bandwidth (29.9 GB/s versus 25.6 GB/s). Neither chip has an unlocked multiplier, and both use PCIe Gen 2. The Xeon launched on March 29, 2009 with a launch MSRP of $530, while the A10 arrived October 1, 2012 with no recorded launch MSRP.

Where Each One Wins

The Xeon E5530 wins in multi-threaded rendering workloads. Its Cinebench R23 multi-core score of 2328, achieved with eight threads, demonstrates strong scaling that the A10's four threads cannot match. The Xeon also wins on platform features: it supports ECC memory, which the A10 does not, making it suitable for error-sensitive workloads. The triple-channel memory architecture, while offering lower total bandwidth than the A10's dual-channel setup (25.6 GB/s versus 29.9 GB/s), is a server-grade feature. The Xeon's lower TDP of 80 W versus 100 W also gives it an efficiency advantage in sustained compute tasks.

The A10-5800B wins on raw clock speed. Its 3.80 GHz base and 4.20 GHz boost clocks are dramatically higher than the Xeon's 2.40 GHz and 2.67 GHz. This translates to better single-thread responsiveness in lightly threaded applications, as evidenced by its Geekbench single-core score of 459, which is competitive despite the Xeon's higher thread count. The A10 also wins on memory bandwidth per channel, 29.9 GB/s from dual-channel versus the Xeon's 25.6 GB/s from triple-channel, meaning each memory channel on the AMD part is faster. The integrated Radeon HD 7660D graphics is a decisive advantage for systems that need display output without a discrete GPU, something the Xeon cannot offer at all. The A10's newer manufacturing process (32 nm versus 45 nm) also suggests better power efficiency per transistor, though the higher TDP tells a different story at the package level.

For a server or workstation environment, the Xeon's ECC support, eight threads, and larger L3 cache make it the clear choice. For a desktop build where integrated graphics and high clock speeds matter more than multi-threading, the A10 takes the lead. The data shows a 0.9% average score difference in favor of the Xeon, but that margin is irrelevant compared to the architectural mismatch in use cases.

FAQ

Q: Which processor has more threads?

A: The Intel Xeon E5530 has 8 threads (4 cores with Hyper-Threading), while the AMD A10-5800B has 4 threads (4 cores without SMT).

Q: Does the AMD A10-5800B have L3 cache?

A: No, the A10-5800B has no L3 cache. It only has a 192 KB L1 cache and a 4 MB shared L2 cache. The Xeon E5530, by contrast, has an 8 MB shared L3 cache.

Q: Can either processor use ECC memory?

A: Only the Intel Xeon E5530 supports ECC memory. The AMD A10-5800B does not support ECC.

Q: Which chip has integrated graphics?

A: The AMD A10-5800B includes Radeon HD 7660D integrated graphics. The Intel Xeon E5530 has no integrated graphics.

Q: How do their average benchmark scores compare?

A: The Xeon E5530 has an average benchmark score of 801, while the A10-5800B scores 794. The Xeon's nearest rival, the AMD A10-7700K, scores 801 (0% delta), and the A10's nearest rival, the AMD A6-9400, scores 794 (-0.1% delta).

Q: What are the clock speeds of each processor?

A: The Xeon E5530 runs at a 2.40 GHz base clock with a 2.67 GHz boost. The A10-5800B runs at a 3.80 GHz base clock with a 4.20 GHz boost.

Q: Which processor has higher memory bandwidth?

A: The AMD A10-5800B has higher memory bandwidth at 29.9 GB/s over dual-channel DDR3, compared to the Xeon E5530's 25.6 GB/s over triple-channel DDR3.

The Verdict

The benchmark data points to a clear division of labor. The Intel Xeon E5530 is the better choice for multi-threaded, server-class workloads. Its eight threads deliver strong Cinebench multi-core results, and its ECC memory support and triple-channel memory controller are essential for workstation reliability. The 21st percentile ranking places it in the same performance tier as the A10, but the Xeon's thread advantage becomes decisive in rendering tasks where the Cinebench R23 multi-core score of 2328 shows effective parallel scaling.

The AMD A10-5800B is the better choice for a desktop system where single-thread performance and integrated graphics matter. Its 4.20 GHz boost clock is nearly 60% higher than the Xeon's boost, and the Radeon HD 7660D eliminates the need for a separate graphics card. The dual-channel memory bandwidth of 29.9 GB/s is actually higher than the Xeon's triple-channel configuration, which helps in memory-sensitive desktop applications. The lack of ECC and L3 cache are drawbacks, but for a consumer desktop, they are rarely deal-breakers.

For a builder choosing between these two, the decision comes down to platform priorities. If the system needs to run error-corrected memory and handle heavily threaded compute tasks, the Xeon E5530 is the only option with ECC support and eight threads. If the build is a compact desktop that needs to output video without a discrete GPU and respond quickly to single-threaded inputs, the A10-5800B's higher clocks and integrated graphics win. The average scores are nearly identical, 801 versus 794, but the architecture tells you which one to pick for your specific workload.

Specification Differences

| Specification | Intel Xeon E5530 | AMD A10-5800B |

|---|---|---|

| Cores | 4 | 4 |

| Threads | 8 | 4 |

| Base Clock | 2.40 GHz | 3.80 GHz |

| Boost Clock | 2.67 GHz | 4.20 GHz |

| TDP | 80 W | 100 W |

| Socket | Intel Socket 1366 | AMD Socket FM2 |

| Architecture | Nehalem | Piledriver |

| Process Node | 45 nm | 32 nm |

| Transistors | 731 million | 1,303 million |

| Die Size | 263 mm² | 246 mm² |

| L1 Cache | 64 KB (per core) | 192 KB |

| L2 Cache | 256 KB (per core) | 4 MB (shared) |

| L3 Cache | 8 MB (shared) | None |

| Memory Bus | Triple-channel | Dual-channel |

| Memory Bandwidth | 25.6 GB/s | 29.9 GB/s |

| ECC Memory | Yes | No |

| Integrated Graphics | None | Radeon HD 7660D |

| Market Segment | Server/Workstation | Desktop |

| Release Date | 2009-03-29 | 2012-10-01 |

| Launch MSRP | $530 | Not recorded |

| Part Number | SLBF7 | AD580BWOA44HJ |