AMD Athlon X4 860K vs Intel Core i7-950 Comparison

# Head-to-Head Benchmarks

The recorded measurements place the Intel Core i7-950 and AMD Athlon X4 860K in a tight performance band. Across five Cinebench workloads, the AMD part wins all five head-to-head matchups, but by narrow margins. The largest single advantage is 4.8% in Cinebench R15 multi-core (280 vs. 294), and the smallest is 4.6% in Cinebench R23 single-core (392 vs 411). The pattern is consistent: AMD leads by roughly 4.7% in every test. The Intel part trails by 4.6% to 4.8% depending on the workload. These deltas are small enough that real-world application differences would be hard to perceive, yet the data shows a consistent, repeatable edge for the AMD silicon in these specific Cinebench runs.

Looking at the aggregate picture, the average benchmark score across all recorded tests is 957 for the Intel and 943 for the AMD, a 1.5% gap. The percentile ranking tells a similar story: the Intel i7-950 sits at the 26th percentile of all CPUs in the database, while the Athlon X4 860K sits at the 25th percentile. Both are firmly in the lower-middle band of the performance distribution. The nearest rivals confirm this neighborhood. The AMD Opteron 4386 matches the Intel with a 0% delta at 957 average. The Intel Xeon W3550 records 956, just 0.1% behind. The AMD A8-7670K and Intel Core i3-8145U are also at the same level. This cluster of chips around the 950-960 average benchmark mark shows that both of these CPUs belong to a crowded, tightly-packed performance tier. The i7-950's 8 MB of shared L3 cache and triple-channel memory path do not translate into a benchmark advantage in these tests.

Architecture Differences

The Intel Core i7-950 is built on the Nehalem architecture, produced on a 45 nm process at Intel. It packs 731 million transistors on a 263 mm² die. The chip has 4 cores and 8 threads, meaning Hyper-Threading is active. Its base clock is 3.07 GHz with a boost to 3.33 GHz. Cache is configured as 64 KB L1 per core, 256 KB L2 per core, and an 8 MB shared L3. It supports DDR3 memory over a triple-channel interface. The package is Socket 1366.

The AMD Athlon X4 860K uses the Steamroller architecture (Kaveri family), built on a 28 nm process at GlobalFoundries. It integrates 2,411 million transistors on a 245 mm² die. It has 4 cores and 4 threads, no SMT. Base clock is 3.70 GHz, boosting to 4.00 GHz. Each core gets 256 KB of L1 and 4 MB of L2, with no L3. Memory support is DDR3 over a dual-channel bus with 34.1 GB/s of bandwidth. The socket is AMD Socket FM2+.

The most consequential architectural splits are thread count and cache topology. The Intel part has twice the threads (8 vs 4) and a large shared L3 (8 MB) that the AMD lacks entirely. Yet the benchmark data shows the AMD winning. This suggests the AMD's higher base and boost clocks (3.70/4.00 vs 3.07/3.33 GHz) and its larger per-core L2 (4 MB vs 256 KB) offset Intel's thread and L3 advantage in these Cinebench workloads.

FAQ

Q: Which CPU has more threads?

A: Intel Core i7-950 has 8 threads via Hyper-Threading, AMD Athlon X4 860K has 4 threads, no SMT.

Q: Do both CPUs support ECC memory?

A: Neither part supports ECC. Both list DDR3 memory support, but ECC is not enabled on either.

Q: Which part has a larger process node?

A: The AMD is built on a 28 nm node, the Intel on a 45 nm node. The AMD uses a newer, denser manufacturing process.

Q: Is there an integrated GPU?

A: No, both chips lack integrated graphics. They need a separate graphics card.

Specification Differences

| Field | Intel Core i7-950 | AMD Athlon X4 860K |

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

| Cores / Threads | 4 / 8 | 4 / 4 |

| Base Clock | 3.07 GHz | 3.70 GHz |

| Boost Clock | 3.33 GHz | 4.00 GHz |

| TDP | 130 W | 95 W |

| Process | 45 nm | 28 nm |

| Transistors | 731 million | 2,411 million |

| Die Size | 263 mm² | 245 mm² |

| L1 Cache | 64 KB (per core) | 256 KB |

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

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

| Memory Support | DDR3 | DDR3 |

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

| Memory Bandwidth | Not specified | 34.1 GB/s |

| Socket | Intel Socket 1366 | AMD Socket FM2+ |

| Release | 2009-06-01 | 2014-08-11 |

The Verdict

The data points to the AMD Athlon X4 860K as the pick between these two for Cinebench workloads. It wins all five head-to-head comparisons. The wins are narrow, 4.6% to 4.8%, but they are consistent across both multi-core and single-core tests. The Intel i7-950 has the more sophisticated memory architecture, with 8 threads, an L3 and triple-channel memory, but those features fail to translate into benchmark wins. The AMD draws its advantage from the higher clocks (3.70/4.00 GHz vs 3.07/3.33 GHz) and the larger L2 partition. For a user buying today on a database of these recorded results, the AMD is the pick.

Where Each One Wins

Database rendering and 3D modeling (Cinebench R15, R20, R23 multicore): AMD Athlon X4 860K wins all four multicore tests. The margin is 4.8% in R15, 4.7% in R20, and 4.7% in R23. The Intel Core i7-950 follows at the same distance in every generation. The AMD's dual-thread advantage is not present, and the Intel's shared L3 cache does not provide enough of a single-threaded advantage.

Single-threaded rendering tasks (Cinebench R20/R23 single-core): The AMD chip also wins these, by 4.7% (R20) and 4.6% (R23). The Intel's higher base/boost clocks do not overcome the AMD's large L2/L1 partition and higher raw clocks in these lightly threaded loads.

Legacy productivity workloads (Cinebench R15): Again, the AMD Athlon 860K wins by a 4.8% margin. The results are stable and reproducible in each benchmark and in both multi-core and single-core modes.

Mixed workloads / general desktop use: The benchmark database does not have a general-purpose or mixed-workload test, but the pattern of the Cinebench group is clear. The AMD's consistent win in all five tests indicates that its architecture is better suited to the render and compute mix that Cinebench represents. If the work is mostly batch rendering and content creation, the AMD is the one with the recorded edge.