Intel Core i9-10850K vs Intel Core i9-12900TE Comparison

Head-to-Head Benchmarks

The recorded data shows a consistent pattern across every shared benchmark: the Intel Core i9-10850K leads the Intel Core i9-12900TE by a uniform margin. In Cinebench R15 multi-core, the i9-10850K scores 1873 against 1759 for the i9-12900TE, a 6.5% advantage. The single-core R15 result mirrors this exactly: 264 versus 248, again 6.5% ahead. This uniformity extends through the entire Cinebench suite.

Moving to Cinebench R20, the i9-10850K posts 7808 in multi-core while the i9-12900TE manages 7333, a 6.5% gap. The single-core R20 score of 1102 versus 1035 maintains the same 6.5% delta. In Cinebench R23, the most demanding multi-threaded test, the i9-10850K reaches 18592 against 17461 for the i9-12900TE, and in single-core R23 it records 2624 versus 2465. Every head-to-head result shows the same 6.5% lead for the older chip, with the i9-10850K winning all six recorded comparisons.

The broader database averages tell a slightly different story. The i9-10850K holds an average benchmark score of 5240 across all tests, while the i9-12900TE averages 5050. This 190-point gap (roughly 3.8%) is smaller than the Cinebench-specific delta, indicating that the i9-10850K's advantage concentrates in rendering workloads. Both processors sit at the 60th percentile among all CPUs, meaning they occupy the same performance tier overall despite the i9-10850K's consistent edge in these particular tests.

Architecture Differences

The two processors come from different generations and design philosophies. The i9-10850K uses the Comet Lake architecture on a 14 nm process node from Intel, with a die size of 206 mm². It features 10 cores and 20 threads, with base and boost clocks of 3.60 GHz and 5.20 GHz respectively. The i9-12900TE uses the Alder Lake-S architecture on Intel's 10 nm node, with a larger die at 215 mm². It offers 16 cores and 24 threads, but its clock strategy differs substantially: the base clock is 1100.00 MHz (1.10 GHz) with a boost of 4.80 GHz.

Cache configurations diverge meaningfully. The i9-10850K carries 64 KB of L1 and 256 KB of L2 per core, with 20 MB of shared L3. The i9-12900TE provides 80 KB of L1 and a much larger 1.25 MB of L2 per core, plus 30 MB of shared L3. This larger L2 allocation reflects Alder Lake's hybrid design, which typically pairs performance and efficiency cores, though the database does not break down core types here.

Memory support separates the two as well. The i9-10850K supports DDR4 only with dual-channel access, delivering a memory bandwidth of 46.9 GB/s. The i9-12900TE supports both DDR4 and DDR5 in dual-channel mode, though its bandwidth figure is not recorded. PCIe capabilities also differ: the i9-10850K provides Gen 3 with 16 CPU lanes, while the i9-12900TE offers Gen 5 with 20 lanes, a substantial upgrade for storage and expansion throughput.

Integrated graphics progress from UHD Graphics 630 on the i9-10850K to UHD Graphics 770 on the i9-12900TE. The i9-10850K fits the Intel Socket 1200, while the i9-12900TE uses Intel Socket 1700, meaning they are not interchangeable in motherboards. The i9-10850K launched on 2020-07-26 and is now end-of-life, whereas the i9-12900TE released on 2022-01-03 and remains active in production. Both have unlocked multipliers, and neither supports ECC memory.

The Verdict

The data points to a straightforward conclusion for rendering workloads: the Intel Core i9-10850K outperforms the Intel Core i9-12900TE in every Cinebench metric recorded. The 6.5% advantage across both single-core and multi-core tests is consistent and non-trivial. Users prioritizing raw Cinebench scores, whether for short renders or single-threaded tasks, should favor the i9-10850K based on these measurements alone.

However, the i9-12900TE counters with architectural strengths that the benchmarks do not capture. It offers 6 additional cores and 4 additional threads, a larger L3 cache (30 MB vs 20 MB), and a more modern 10 nm process. It also supports DDR5 memory and PCIe Gen 5, which future-proofs a system for newer storage and graphics hardware. The i9-12900TE's launch MSRP is $494, stated once here for reference only.

The i9-10850K's 125 W TDP versus the i9-12900TE's 35 W TDP indicates a major efficiency difference, though the database does not provide thermal or power measurements. The i9-12900TE also remains an active product, while the i9-10850K has reached end-of-life status. For users building new systems today, the i9-12900TE's platform longevity and connectivity options may outweigh its slightly lower Cinebench scores, especially given that its average benchmark score (5050) sits only 190 points behind the i9-10850K (5240).

FAQ

Q: Which processor wins in Cinebench R23 multi-core?

A: The Intel Core i9-10850K scores 18592 versus 17461 for the Intel Core i9-12900TE, a 6.5% advantage.

Q: How many cores and threads does each CPU have?

A: The i9-10850K has 10 cores and 20 threads. The i9-12900TE has 16 cores and 24 threads.

Q: What is the TDP difference between the two?

A: The i9-10850K has a TDP of 125 W, while the i9-12900TE has a TDP of 35 W.

Q: Do both processors support DDR5 memory?

A: No. The i9-10850K supports DDR4 only. The i9-12900TE supports both DDR4 and DDR5.

Q: Which CPU has a higher boost clock?

A: The i9-10850K boosts to 5.20 GHz, while the i9-12900TE boosts to 4.80 GHz.

Q: Are these CPUs on the same socket?

A: No. The i9-10850K uses Intel Socket 1200, and the i9-12900TE uses Intel Socket 1700.

Where Each One Wins

The Intel Core i9-10850K wins in every directly compared benchmark, all of which are Cinebench R15, R20, and R23 variants. Its consistent 6.5% lead across both single-core and multi-core tests suggests it is the stronger choice for Cinebench-specific workloads, including 3D rendering and animation previews that rely on these specific CPU paths. The high boost clock of 5.20 GHz likely contributes to its single-core dominance, and the 10-core, 20-thread configuration proves sufficient to outperform the larger-core-count rival in these tests.

The Intel Core i9-12900TE wins on platform-level features rather than benchmark scores. Its 16 cores and 24 threads provide more parallelism for heavily threaded applications that do not appear in the recorded benchmark set. The 30 MB shared L3 cache and 1.25 MB L2 per core can benefit workloads with large working sets that repeatedly access cached data. The PCIe Gen 5, 20-lane configuration supports faster storage and expansion devices, and the dual DDR4/DDR5 memory support offers flexibility in system building. The 35 W TDP makes it a lower-power option for always-on or thermally constrained systems, and its active production status ensures ongoing availability.

Specification Differences

The table below highlights only the fields where the two processors differ, per the database records.

| Specification | Intel Core i9-10850K | Intel Core i9-12900TE |

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

| Series | Core 10th Gen | Core 12th Gen |

| Cores | 10 | 16 |

| Threads | 20 | 24 |

| Base clock | 3.60 GHz | 1100.00 MHz |

| Boost clock | 5.20 GHz | 4.80 GHz |

| TDP | 125 W | 35 W |

| Socket | Intel Socket 1200 | Intel Socket 1700 |

| Architecture | Comet Lake | Alder Lake |

| Codename | Comet Lake | Alder Lake-S |

| Generation | Core i9 (Comet Lake) | Core i9 (Alder Lake-S) |

| Process node | 14 nm | 10 nm |

| Die size | 206 mm² | 215 mm² |

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

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

| L3 cache | 20 MB (shared) | 30 MB (shared) |

| Memory support | DDR4 | DDR4, DDR5 |

| Memory bandwidth | 46.9 GB/s | Not recorded |

| PCIe | Gen 3, 16 Lanes (CPU only) | Gen 5, 20 Lanes (CPU only) |

| Integrated graphics | UHD Graphics 630 | UHD Graphics 770 |

| Production status | End-of-life | Active |

| Release date | 2020-07-26 | 2022-01-03 |

| Launch MSRP | Not recorded | $494 |

| Part number | SRK51 | Not recorded |

| Average benchmark score | 5240 | 5050 |

| Percentile vs all CPUs | 60 | 60 |

The two CPUs share several traits: both come from Intel, both have unlocked multipliers, both lack ECC support, both use dual-channel memory buses, and both are classified as desktop market segment parts. The i9-10850K's 206 mm² die is slightly smaller than the i9-12900TE's 215 mm², despite the newer process node on the latter. The i9-12900TE's base clock of 1100.00 MHz is dramatically lower than the i9-10850K's 3.60 GHz, reflecting a power-oriented design, yet its boost clock of 4.80 GHz remains competitive. The i9-10850K's memory bandwidth of 46.9 GB/s is recorded, while the i9-12900TE's bandwidth is not available in the database.