AMD Athlon X4 830 vs Intel Core i7-3520M Comparison

The AMD Athlon X4 830 and Intel Core i7-3520M are separated by razor-thin margins in every benchmark, yet the data consistently favors the AMD part. Across all five head-to-head Cinebench tests, the Athlon X4 830 wins outright, with deltas ranging from 1.6% to 2.1%. The average benchmark scores reinforce this: the Athlon sits at 848, while the Intel chip trails at 843, a 0.6% gap. Both CPUs occupy the same 23rd percentile of all processors, meaning they deliver nearly identical overall performance tiers, but the AMD part edges ahead in every measured workload.

Head-to-Head Benchmarks

The most decisive victory for the AMD Athlon X4 830 comes in Cinebench R20 single-core, where it scores 146 against the Intel Core i7-3520M's 143, a 2.1% advantage. This is the largest delta in the entire comparison, surprising given that the Intel chip has a higher boost clock of 3.60 GHz versus the AMD's 3.40 GHz. The Athlon's 3.00 GHz base clock is also higher than the Intel's 2.90 GHz, but the single-core result suggests that raw frequency alone does not explain the outcome.

In multi-core workloads, the pattern holds but with slightly smaller margins. Cinebench R20 multicore shows the Athlon scoring 1035 versus 1018, a 1.7% win. Cinebench R23 multicore follows with 2465 against 2426, also a 1.6% edge. The older Cinebench R15 multicore test shows 248 versus 244, again a 1.6% margin. These results are remarkably consistent, with the AMD part winning by roughly the same percentage across all multi-threaded tests regardless of the benchmark generation.

Single-core results in the newer Cinebench suites mirror the older ones. Cinebench R23 single-core has the Athlon at 348 and the Intel at 342, a 1.8% difference. This is a clean sweep: five wins for the AMD Athlon X4 830 and zero for the Intel Core i7-3520M. Notably, the Intel chip does have additional benchmark data—Geekbench multicore (1156) and single-core (570)—that the AMD part lacks, so the head-to-head comparison cannot be extended to that suite. However, within the shared Cinebench tests, the AMD processor's advantage is uniform and measurable.

Where Each One Wins

The AMD Athlon X4 830 wins every benchmark where both CPUs have results, so the use-case split is straightforward. For any Cinebench rendering workload—whether single-core or multi-core, R15, R20, or R23—the data points to the AMD part as the faster choice. The margins are small, never exceeding 2.1%, but they are consistent across all five tests. This suggests that the Athlon X4 830 holds a slight but reliable edge in CPU-bound tasks that stress both single-threaded performance and multi-threaded throughput.

The Intel Core i7-3520M does not win any of the five head-to-head benchmarks, but it does offer something the AMD part cannot: integrated graphics. The Intel HD 4000 is listed in the data, while the Athlon X4 830 has no integrated graphics specified. For a system builder who needs a display output without a discrete GPU, the Intel chip has a functional advantage that benchmarks do not capture. Additionally, the Intel part has a much lower TDP of 35 watts versus the AMD's 65 watts, making it the more power-efficient choice for mobile or compact builds.

In terms of pure compute performance, the AMD Athlon X4 830 is the winner. The data shows no scenario in the shared benchmark suite where the Intel chip comes out ahead. The Intel part's strengths lie outside raw Cinebench scores: its integrated GPU, lower power draw, and mobile socket (Intel BGA 1023) position it for different system types, even if the benchmark results favor AMD.

Architecture Differences

The two processors come from fundamentally different design philosophies. The AMD Athlon X4 830 uses the Steamroller architecture on the Kaveri codename, built on a 28 nm process at GlobalFoundries. It packs 2,411 million transistors into a 245 mm² die. The Intel Core i7-3520M uses Ivy Bridge, built on a 22 nm process at Intel, with a much smaller 118 mm² die. Transistor counts for the Intel part are not listed, but the die-size difference is stark: the AMD chip is more than double the area of the Intel chip.

Core and thread configurations differ significantly. The AMD part has 4 physical cores and 4 threads, while the Intel part has 2 physical cores and 4 threads thanks to Hyper-Threading. This means the AMD chip relies on true quad-core parallelism, whereas the Intel chip uses two cores with two threads each. Cache layouts also diverge: the AMD part has 256 KB L1 and 4 MB L2 with no L3, while the Intel part has 64 KB L1 per core, 256 KB L2 per core, and 4 MB shared L3. The L3 cache on the Intel side is a notable architectural advantage that does not translate into benchmark wins.

Memory support shows another split. The AMD part supports DDR3 with dual-channel memory and a listed memory bandwidth of 34.1 GB/s, while the Intel part's memory support and bandwidth are not specified. Both have ECC memory disabled. The AMD part also supports PCIe Gen 3 with 16 lanes on the CPU, while the Intel part has no PCIe data listed. Process node advantages belong to Intel (22 nm versus 28 nm), but the benchmark results indicate that architectural efficiency differences do not overcome the AMD part's core-count advantage.

Specification Differences

The specification tables reveal several key differences between the two parts. The AMD Athlon X4 830 has 4 cores and 4 threads, while the Intel Core i7-3520M has 2 cores and 4 threads. Base clocks are 3.00 GHz for AMD and 2.90 GHz for Intel, with boost clocks of 3.40 GHz and 3.60 GHz respectively. TDP is a major differentiator: 65 watts for AMD versus 35 watts for Intel. Sockets are entirely different—AMD Socket FM2+ versus Intel BGA 1023—meaning they cannot be swapped into the same motherboard.

Cache specifications differ in structure: AMD lists 256 KB L1 and 4 MB L2 (with no L3), while Intel lists 64 KB L1 per core, 256 KB L2 per core, and 4 MB shared L3. The AMD part has a higher memory bandwidth figure (34.1 GB/s) and supports dual-channel DDR3, while the Intel part only lists dual-channel memory bus. Manufacturing process differs: 28 nm for AMD at GlobalFoundries versus 22 nm for Intel. The AMD die is 245 mm²; the Intel die is 118 mm².

Additional differences include the AMD part's unlocked multiplier, while the Intel part is locked. The AMD part has a market segment of Desktop and is end-of-life, while the Intel part is Mobile with a release date of 2012-06-02. The AMD part has no integrated graphics listed, while the Intel part includes Intel HD 4000. The AMD part's part number is AD830XYBI44JA; the Intel part's is SR0MU. Neither part has a launch MSRP listed.

FAQ

Q: Which CPU has a higher single-core Cinebench R23 score?

A: The AMD Athlon X4 830 scores 348, which is 1.8% higher than the Intel Core i7-3520M's 342.

Q: How do the two CPUs compare in multi-core Cinebench R20?

A: The AMD Athlon X4 830 scores 1035, beating the Intel Core i7-3520M's 1018 by 1.7%.

Q: Does the Intel Core i7-3520M have more physical cores than the AMD Athlon X4 830?

A: No. The AMD Athlon X4 830 has 4 physical cores and 4 threads, while the Intel Core i7-3520M has 2 physical cores and 4 threads.

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

A: The AMD Athlon X4 830 has a TDP of 65 watts, while the Intel Core i7-3520M has a TDP of 35 watts.

Q: Which CPU includes integrated graphics?

A: The Intel Core i7-3520M includes Intel HD 4000, while the AMD Athlon X4 830 has no integrated graphics listed.

Q: Are both CPUs in the same performance percentile?

A: Yes, both the AMD Athlon X4 830 and Intel Core i7-3520M are in the 23rd percentile of all CPUs.

The Verdict

The data is unambiguous: the AMD Athlon X4 830 wins all five shared benchmarks against the Intel Core i7-3520M. If the decision rests solely on Cinebench performance, the AMD part is the correct choice. Its wins range from 1.6% to 2.1% across single-core and multi-core tests, with an average benchmark score of 848 versus 843. The AMD part's four physical cores provide a consistent edge over the Intel chip's two cores with four threads.

However, the Intel Core i7-3520M is not without merit. Its 35-watt TDP is nearly half the AMD part's 65 watts, making it far more suitable for power-constrained mobile systems. The integrated Intel HD 4000 graphics is a functional feature absent from the AMD part. The Intel chip's smaller 22 nm process and 118 mm² die also indicate a more efficient manufacturing design. For a compact or battery-powered system, the Intel part's advantages are compelling.

The verdict depends on the system context. For a desktop build where power draw is not a concern and raw rendering performance is the priority, the AMD Athlon X4 830 wins on every measured metric. For a mobile or low-power build requiring integrated graphics, the Intel Core i7-3520M offers capabilities the AMD part lacks, even though it loses every benchmark comparison. Both CPUs sit at the 23rd percentile, so neither is a high-performance part, but the AMD chip is the faster one in the tests that matter for compute workloads.