Pentium Silver J5040 vs Phenom II X6 1045T
Pentium Silver J5040
Phenom II X6 1045T
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
Performance Per Dollar Phenom II X6 1045T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Silver J5040 | Phenom II X6 1045T |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Gemini Lake Refresh (2019) / 14 nm) | 🛑 Legacy (Thuban (2010) / 45 nm) |
💎 Value Proposition
| Insight | Pentium Silver J5040 | Phenom II X6 1045T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Pentium Silver J5040 and Phenom II X6 1045T
Pentium Silver J5040
The Pentium Silver J5040 is manufactured by Intel. It was released in 4 November 2019 (6 years ago). It is based on the Gemini Lake Refresh (2019) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB. L2 cache: 4 MB (total). Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 3,252 points. Launch price was $161.
Phenom II X6 1045T
The Phenom II X6 1045T is manufactured by AMD. It was released in 1 September 2010 (15 years ago). It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 2.7 GHz, with boost up to 3.2 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: 3,244 points. Launch price was $175.
Processing Power
The Pentium Silver J5040 packs 4 cores / 4 threads, while the Phenom II X6 1045T offers 6 cores / 6 threads — the Phenom II X6 1045T has 2 more cores. Boost clocks reach 3.2 GHz on the Pentium Silver J5040 versus 3.2 GHz on the Phenom II X6 1045T — identical boost frequencies (base: 2 GHz vs 2.7 GHz). The Pentium Silver J5040 uses the Gemini Lake Refresh (2019) architecture (14 nm), while the Phenom II X6 1045T uses Thuban (2010) (45 nm). In PassMark, the Pentium Silver J5040 scores 3,252 against the Phenom II X6 1045T's 3,244 — a 0.2% lead for the Pentium Silver J5040. L3 cache: 4 MB on the Pentium Silver J5040 vs 6 MB (total) on the Phenom II X6 1045T.
| Feature | Pentium Silver J5040 | Phenom II X6 1045T |
|---|---|---|
| Cores / Threads | 4 / 4 | 6 / 6+50% |
| Boost Clock | 3.2 GHz | 3.2 GHz |
| Base Clock | 2 GHz | 2.7 GHz+35% |
| L3 Cache | 4 MB | 6 MB (total)+50% |
| L2 Cache | 4 MB (total)+700% | 512 kB (per core) |
| Process | 14 nm-69% | 45 nm |
| Architecture | Gemini Lake Refresh (2019) | Thuban (2010) |
| PassMark | 3,252 | 3,244 |
| Cinebench R23 Multi | 1,640 | — |
| Geekbench 6 Single | 435 | — |
| Geekbench 6 Multi | 1,180 | — |
Memory & Platform
The Pentium Silver J5040 uses the FCBGA1090 socket (PCIe 3.0), while the Phenom II X6 1045T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium Silver J5040 | Phenom II X6 1045T |
|---|---|---|
| Socket | FCBGA1090 | AM3 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400 / LPDDR4-2400 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 6 | — |
Advanced Features
Virtualization: VT-x / VT-d / EPT (Pentium Silver J5040) / not specified (Phenom II X6 1045T). The Pentium Silver J5040 includes integrated graphics (Intel UHD Graphics 605), while the Phenom II X6 1045T requires a dedicated GPU. Primary use case: Pentium Silver J5040 targets Mini-PC.
| Feature | Pentium Silver J5040 | Phenom II X6 1045T |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics 605 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x / VT-d / EPT | — |
| Target Use | Mini-PC | — |
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