Core M-5Y51 vs Athlon II X4 620
Core M-5Y51
Athlon II X4 620
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. The Core M-5Y51 is positioned at rank 1154 and the Athlon II X4 620 is on rank 789, so the Athlon II X4 620 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core M-5Y51
Performance Per Dollar Athlon II X4 620
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core M-5Y51 | Athlon II X4 620 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($281) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Broadwell-Y (2014) / 14 nm) | 🛑 Legacy (Propus (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core M-5Y51 | Athlon II X4 620 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1770%) |
| Upfront Cost | ⚠️ Higher cost ($281) | ✅ More affordable ($15) |
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 M-5Y51 and Athlon II X4 620
Core M-5Y51
The Core M-5Y51 is manufactured by Intel. It was released in 27 October 2014 (11 years ago). It is based on the Broadwell-Y (2014) architecture. It features 2 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1234. Thermal design power (TDP): 4.5 Watt. Memory support: DDR3. Passmark benchmark score: 2,030 points. Launch price was $69.
Athlon II X4 620
The Athlon II X4 620 is manufactured by AMD. It was released in 16 September 2009 (16 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. 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: 2,026 points. Launch price was $65.
Processing Power
The Core M-5Y51 packs 2 cores / 4 threads, while the Athlon II X4 620 offers 4 cores / 4 threads — the Athlon II X4 620 has 2 more cores. Boost clocks reach 2.6 GHz on the Core M-5Y51 versus 2.6 GHz on the Athlon II X4 620 — identical boost frequencies (base: 1.1 GHz vs 2.6 GHz). The Core M-5Y51 uses the Broadwell-Y (2014) architecture (14 nm), while the Athlon II X4 620 uses Propus (2009−2011) (45 nm). In PassMark, the Core M-5Y51 scores 2,030 against the Athlon II X4 620's 2,026 — a 0.2% lead for the Core M-5Y51. L3 cache: 4 MB (total) on the Core M-5Y51 vs 0 kB on the Athlon II X4 620.
| Feature | Core M-5Y51 | Athlon II X4 620 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 2.6 GHz | 2.6 GHz |
| Base Clock | 1.1 GHz | 2.6 GHz+136% |
| L3 Cache | 4 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 512 kB (per core)+100% |
| Process | 14 nm-69% | 45 nm |
| Architecture | Broadwell-Y (2014) | Propus (2009−2011) |
| PassMark | 2,030 | 2,026 |
Memory & Platform
The Core M-5Y51 uses the FCBGA1234 socket (PCIe 3.0), while the Athlon II X4 620 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core M-5Y51 | Athlon II X4 620 |
|---|---|---|
| Socket | FCBGA1234 | AM3 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Value Analysis
The Core M-5Y51 launched at $281 MSRP, while the Athlon II X4 620 debuted at $99. At current prices ($281 vs $15), the Athlon II X4 620 is $266 cheaper. In terms of value (PassMark points per dollar), the Core M-5Y51 delivers 7.2 pts/$ vs 135.1 pts/$ for the Athlon II X4 620 — making the Athlon II X4 620 the 179.7% better value option.
| Feature | Core M-5Y51 | Athlon II X4 620 |
|---|---|---|
| MSRP | $281 | $99-65% |
| Avg Price (30d) | $281 | $15-95% |
| Performance per Dollar | 7.2 | 135.1+1776% |
| Release Date | 2014 | 2009 |
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