CPU Comparison

The Intel Core i7-870 and the Intel Celeron G6900TE represent two radically different eras of Intel desktop design, yet the benchmark data places them in an extraordinarily tight statistical dead heat. The i7-870 is a legacy Lynnfield part from 2009, while the G6900TE is a modern Alder Lake-S chip from 2022. Despite a 13-year gap in release dates, their average benchmark scores are nearly identical: 928 for the i7-870 versus 925 for the Celeron. This collision of old flagship and new entry-level silicon raises immediate questions about how architecture and core count interact to produce such similar results.

Head-to-Head Benchmarks

The head-to-head Cinebench results show a consistent, though razor-thin, advantage for the Intel Core i7-870 across every test. In Cinebench R15 multi-core, the i7-870 scores 271 against the Celeron's 270, a delta of just 0.4%. The pattern repeats in Cinebench R20 multi-core, where the i7-870 posts 1132 versus 1128, again a 0.4% edge. The R23 multi-core test shows 2697 for the i7-870 and 2687 for the Celeron, maintaining that same 0.4% margin. The single-core results are even closer: both chips hit exactly 159 in R20 single-core, and in R23 single-core the i7-870 edges ahead with 380 versus 379, a 0.3% difference.

What does this near-zero delta imply? The i7-870 wins all five head-to-head benchmarks, but the margins are statistically negligible. The largest winning margin is 0.4%, which is within run-to-run noise for most benchmarking. The data suggests that for raw Cinebench throughput, these two processors are functionally interchangeable. However, the path to that equality is completely different. The i7-870 achieves its scores with 4 cores and 8 threads at a 2.93 GHz base and 3.60 GHz boost, while the Celeron uses only 2 cores and 2 threads at a fixed 2.40 GHz. The Celeron is doing far more work per core to stay within 0.4% of the older chip.

Looking at the nearest rivals for each processor reinforces this picture. The i7-870's closest competitor is the Intel Core i5-4288U with an average score of 927, a delta of 0.1%. The Celeron G6900TE sits right there too, at 925, which is only 0.4% behind the i7-870. The fact that a dual-core Celeron lands in the same performance neighborhood as quad-core Core i5 and i7 parts from previous generations is the central story of this comparison.

Architecture Differences

The architectural gap between these two chips is vast. The i7-870 is built on Intel's 45 nm process with a Nehalem architecture, codenamed Lynnfield. It packs 774 million transistors into a 296 mm² die. The Celeron G6900TE uses the much newer 10 nm process with an Alder Lake architecture, codenamed Alder Lake-S. This is a generational leap in manufacturing technology, which explains how the Celeron can compete with far fewer resources.

Core and thread counts differ dramatically. The i7-870 offers 4 cores and 8 threads, enabling simultaneous multithreading. The Celeron is a pure dual-core part with 2 cores and 2 threads, no hyper-threading. Cache hierarchies also tell different stories. The i7-870 has 64 KB of L1 per core, 256 KB of L2 per core, and a large 8 MB shared L3 cache. The Celeron counters with 80 KB of L1 per core, a substantially larger 1.25 MB of L2 per core, but only 4 MB of shared L3. The Celeron's bigger L2 cache likely helps compensate for its smaller L3.

Clock speeds are another divergence. The i7-870 runs at 2.93 GHz base and boosts to 3.60 GHz, while the Celeron operates at a modest 2.40 GHz with no boost clock listed. The i7-870's higher clocks are its primary weapon, while the Celeron relies on architectural efficiency and cache improvements. Memory support also differs: the i7-870 uses dual-channel DDR3, whereas the Celeron supports dual-channel DDR4 and DDR5, giving it access to much faster memory technologies.

Platform features are similarly split. The i7-870 uses Intel Socket 1156 with PCIe Gen 2, offering 16 lanes from the CPU only. The Celeron uses the modern Intel Socket 1700 with PCIe Gen 5. The i7-870 has no integrated graphics, while the Celeron includes UHD Graphics 710. Thermal design power is a stark contrast: the i7-870 is rated at 95W, while the Celeron sips just 35W. This is nearly a three-fold difference in power draw, yet the performance output is nearly identical.

Where Each One Wins

The benchmark data shows the Intel Core i7-870 winning every single head-to-head test, but the margins are so small that practical wins are negligible. The i7-870's largest advantage is 0.4% in multi-core tests, which is not perceptible in real-world workloads. The single-core tests show a 0% or 0.3% edge for the i7-870, meaning neither chip has a meaningful lead in lightly threaded tasks.

Where the i7-870 conceptually wins is in multi-threaded workloads that can leverage its 8 threads. The R15, R20, and R23 multi-core scores all favor the i7-870, even if only by a hair. The Celeron's 2-thread limitation is offset by its superior per-core performance, but the data still shows the i7-870 ahead in every multi-core metric.

The Celeron G6900TE's wins are not visible in the benchmark scores, it loses all five tests, but the data implies wins in efficiency and platform modernity. Its 35W TDP versus 95W for the i7-870 means it accomplishes the same work with less than half the power budget. The Celeron also has access to DDR4/DDR5 memory and PCIe Gen 5, which are substantial platform advantages. The presence of integrated graphics is another practical win for the Celeron, as the i7-870 requires a discrete GPU for any display output.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Core i7-870 has an average benchmark score of 928, while the Intel Celeron G6900TE scores 925. This is a difference of only 0.4%, placing the Celeron as the i7-870's third-closest rival.

Q: How do the core counts compare between the two?

A: The i7-870 has 4 cores and 8 threads, while the Celeron G6900TE has 2 cores and 2 threads. Despite having half the cores and a quarter of the threads, the Celeron's average score is within 0.4% of the i7-870.

Q: What is the largest single benchmark margin between them?

A: The largest margin is 0.4%, which occurs in Cinebench R15 multi-core (271 vs 270), R20 multi-core (1132 vs 1128), and R23 multi-core (2697 vs 2687). In R20 single-core, the scores are identical at 159.

Q: Do these processors support the same memory types?

A: No. The i7-870 supports dual-channel DDR3, while the Celeron G6900TE supports dual-channel DDR4 and DDR5. This gives the Celeron access to significantly newer memory technology.

Q: What are the process node differences?

A: The i7-870 is built on a 45 nm process, while the Celeron G6900TE uses a 10 nm process. The Celeron also benefits from a newer Alder Lake architecture compared to the i7-870's Nehalem architecture.

Q: Which chip has integrated graphics?

A: Only the Celeron G6900TE has integrated graphics, specifically UHD Graphics 710. The i7-870 has no integrated graphics, requiring a separate GPU for display output.

The Verdict

The data presents a curious verdict: the Intel Core i7-870 is technically the faster processor, winning all five head-to-head benchmarks, but the margins are so thin that the result is effectively a tie. The i7-870's 4.3% advantage in core count and 8.3% advantage in boost clock are completely neutralized by the Celeron's architectural efficiency. In raw Cinebench scores, neither chip offers a meaningful performance advantage over the other.

The choice between them should be driven by platform considerations rather than benchmark scores. The i7-870 belongs to the end-of-life Socket 1156 platform with DDR3 memory and PCIe Gen 2. The Celeron G6900TE is an active product on Socket 1700 with DDR4/DDR5 support and PCIe Gen 5. The Celeron also consumes 60W less power (35W vs 95W) and includes integrated graphics, making it a far more practical modern choice for basic desktop tasks.

For users with legacy DDR3 memory and older motherboards, the i7-870 could still serve adequately, as its multi-core scores are competitive. However, the data strongly favors the Celeron for new builds. The 0.4% benchmark delta is invisible in practice, while the platform advantages, modern memory, PCIe Gen 5, integrated graphics, and dramatically lower power draw, are substantial. The i7-870 wins on paper; the Celeron wins in real-world context.

Specification Differences

| Specification | Intel Core i7-870 | Intel Celeron G6900TE |

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

| Cores | 4 | 2 |

| Threads | 8 | 2 |

| Base Clock | 2.93 GHz | 2.40 GHz |

| Boost Clock | 3.60 GHz | None |

| TDP | 95 W | 35 W |

| Socket | Intel Socket 1156 | Intel Socket 1700 |

| Architecture | Nehalem | Alder Lake |

| Codename | Lynnfield | Alder Lake-S |

| Process Node | 45 nm | 10 nm |

| Transistors | 774 million | Not listed |

| Die Size | 296 mm² | Not listed |

| L1 Cache | 64 KB (per core) | 80 KB (per core) |

| L2 Cache | 256 KB (per core) | 1.25 MB (per core) |

| L3 Cache | 8 MB (shared) | 4 MB (shared) |

| Memory Support | DDR3 | DDR4, DDR5 |

| PCIe | Gen 2, 16 Lanes (CPU only) | Gen 5 |

| Integrated Graphics | None | UHD Graphics 710 |

| Production Status | End-of-life | Active |

| Release Date | 2009-09-07 | 2022-01-03 |

| Part Number | SLBJG | SRL68 |