Phenom II X6 1055T (95W) vs Core i5-10400F
Phenom II X6 1055T (95W)
Core i5-10400F
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. The Phenom II X6 1055T (95W) is positioned at rank #37 in our cost-efficiency ranking, representing a Great cost-benefit for your build. 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 Phenom II X6 1055T (95W)
Performance Per Dollar Core i5-10400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X6 1055T (95W) | Core i5-10400F |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($102) |
| Longevity | 🛑 Legacy (Thuban (2010) / 45 nm) | ✨ Modern (Comet Lake (2020−2025) / 14 nm) |
💎 Value Proposition
| Insight | Phenom II X6 1055T (95W) | Core i5-10400F |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($102) |
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 Phenom II X6 1055T (95W) and Core i5-10400F
Phenom II X6 1055T (95W)
The Phenom II X6 1055T (95W) is manufactured by AMD. It was released in 2009-01-01. It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 2.8 GHz, with boost up to 3.3 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: 4,965 points. Launch price was $149.
Core i5-10400F
The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.
Processing Power
The Phenom II X6 1055T (95W) packs 6 cores / 6 threads, matching the Core i5-10400F's 6 cores. Boost clocks reach 3.3 GHz on the Phenom II X6 1055T (95W) versus 4.3 GHz on the Core i5-10400F — a 26.3% clock advantage for the Core i5-10400F (base: 2.8 GHz vs 2.9 GHz). The Phenom II X6 1055T (95W) uses the Thuban (2010) architecture (45 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Phenom II X6 1055T (95W) scores 4,965 against the Core i5-10400F's 13,029 — a 89.6% lead for the Core i5-10400F. L3 cache: 6 MB (total) on the Phenom II X6 1055T (95W) vs 12 MB (total) on the Core i5-10400F.
| Feature | Phenom II X6 1055T (95W) | Core i5-10400F |
|---|---|---|
| Cores / Threads | 6 / 6 | 6 / 12 |
| Boost Clock | 3.3 GHz | 4.3 GHz+30% |
| Base Clock | 2.8 GHz | 2.9 GHz+4% |
| L3 Cache | 6 MB (total) | 12 MB (total)+100% |
| L2 Cache | 512 kB (per core)+100% | 256K (per core) |
| Process | 45 nm | 14 nm-69% |
| Architecture | Thuban (2010) | Comet Lake (2020−2025) |
| PassMark | 4,965 | 13,029+162% |
| Cinebench R23 Multi | — | 8,191 |
| Geekbench 6 Single | — | 1,454 |
| Geekbench 6 Multi | — | 5,783 |
Memory & Platform
The Phenom II X6 1055T (95W) uses the AM3 socket (PCIe 2.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X6 1055T (95W) | Core i5-10400F |
|---|---|---|
| Socket | AM3 | LGA1200 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Phenom II X6 1055T (95W)) / VT-x, VT-d (Core i5-10400F). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.
| Feature | Phenom II X6 1055T (95W) | Core i5-10400F |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Gaming |
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