Core i7-12700K vs Phenom II X6 1035T
Core i7-12700K
Phenom II X6 1035T
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-12700K
Performance Per Dollar Phenom II X6 1035T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-12700K | Phenom II X6 1035T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($285) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) | 🛑 Legacy (Thuban (2010) / 45 nm) |
💎 Value Proposition
| Insight | Core i7-12700K | Phenom II X6 1035T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($285) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Core i7-12700K and Phenom II X6 1035T
Core i7-12700K
The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.
Phenom II X6 1035T
The Phenom II X6 1035T is manufactured by AMD. It was released in 27 April 2010 (15 years ago). It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 2.6 GHz, with boost up to 3.1 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,012 points. Launch price was $189.
Processing Power
The Core i7-12700K packs 12 cores / 20 threads, while the Phenom II X6 1035T offers 6 cores / 6 threads — the Core i7-12700K has 6 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 3.1 GHz on the Phenom II X6 1035T — a 46.9% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2.6 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Phenom II X6 1035T uses Thuban (2010) (45 nm). In PassMark, the Core i7-12700K scores 34,347 against the Phenom II X6 1035T's 3,012 — a 167.8% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 6 MB (total) on the Phenom II X6 1035T.
| Feature | Core i7-12700K | Phenom II X6 1035T |
|---|---|---|
| Cores / Threads | 12 / 20+100% | 6 / 6 |
| Boost Clock | 5 GHz+61% | 3.1 GHz |
| Base Clock | 3.6 GHz+38% | 2.6 GHz |
| L3 Cache | 25 MB (total)+317% | 6 MB (total) |
| L2 Cache | 1.25 MB (per core)+150% | 512 kB (per core) |
| Process | 10 nm-78% | 45 nm |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Thuban (2010) |
| PassMark | 34,347+1040% | 3,012 |
| Cinebench R23 Multi | — | 2,670 |
Memory & Platform
The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Phenom II X6 1035T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus DDR3-1333 on the Phenom II X6 1035T — the Core i7-12700K supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both feature 2-channel memory with ECC support. Chipset compatibility: Z690,B660 (Core i7-12700K) and AM3 (Phenom II X6 1035T).
| Feature | Core i7-12700K | Phenom II X6 1035T |
|---|---|---|
| Socket | LGA1700 | AM3 |
| PCIe Generation | PCIe 5.0+150% | PCIe 2.0 |
| Max RAM Speed | 4800+159900% | DDR3-1333 |
| Max RAM Capacity | 128 | — |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | — |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d (Core i7-12700K) vs AMD-V (Phenom II X6 1035T). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Phenom II X6 1035T requires a dedicated GPU. Primary use case: Phenom II X6 1035T targets Budget. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; Phenom II X6 1035T rivals Core i5-750.
| Feature | Core i7-12700K | Phenom II X6 1035T |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | — |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | — | Budget |
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