Core i7-4650U vs Phenom II X4 840
Core i7-4650U
Phenom II X4 840
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 i7-4650U is positioned at rank 793 and the Phenom II X4 840 is on rank 250, so the Phenom II X4 840 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-4650U
Performance Per Dollar Phenom II X4 840
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-4650U | Phenom II X4 840 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell-ULT (2013) / 22 nm) | 🛑 Legacy (Propus (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Core i7-4650U | Phenom II X4 840 |
|---|---|---|
| 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 Core i7-4650U and Phenom II X4 840
Core i7-4650U
The Core i7-4650U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell-ULT (2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,463 points. Launch price was $454.
Phenom II X4 840
The Phenom II X4 840 is manufactured by AMD. It was released in 4 January 2011 (14 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.2 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: 2,449 points. Launch price was $90.
Processing Power
The Core i7-4650U packs 2 cores / 4 threads, while the Phenom II X4 840 offers 4 cores / 4 threads — the Phenom II X4 840 has 2 more cores. Boost clocks reach 3.3 GHz on the Core i7-4650U versus 3.2 GHz on the Phenom II X4 840 — a 3.1% clock advantage for the Core i7-4650U (base: 1.7 GHz vs 3.2 GHz). The Core i7-4650U uses the Haswell-ULT (2013) architecture (22 nm), while the Phenom II X4 840 uses Propus (2009−2011) (45 nm). In PassMark, the Core i7-4650U scores 2,463 against the Phenom II X4 840's 2,449 — a 0.6% lead for the Core i7-4650U. L3 cache: 4 MB (total) on the Core i7-4650U vs 0 kB on the Phenom II X4 840.
| Feature | Core i7-4650U | Phenom II X4 840 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.3 GHz+3% | 3.2 GHz |
| Base Clock | 1.7 GHz | 3.2 GHz+88% |
| L3 Cache | 4 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 512 kB (per core)+100% |
| Process | 22 nm-51% | 45 nm |
| Architecture | Haswell-ULT (2013) | Propus (2009−2011) |
| PassMark | 2,463 | 2,449 |
Memory & Platform
The Core i7-4650U uses the FCBGA1168 socket (PCIe 3.0), while the Phenom II X4 840 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i7-4650U | Phenom II X4 840 |
|---|---|---|
| Socket | FCBGA1168 | AM3 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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