Core i7-620UM vs Athlon 64 X2 3800+
Core i7-620UM
Athlon 64 X2 3800+
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 i7-620UM is positioned at rank 1228 and the Athlon 64 X2 3800+ is on rank 1094, so the Athlon 64 X2 3800+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-620UM
Performance Per Dollar Athlon 64 X2 3800+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-620UM | Athlon 64 X2 3800+ |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($278) | ✅ More affordable ($20) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Manchester (2005−2006) / 90 nm) |
💎 Value Proposition
| Insight | Core i7-620UM | Athlon 64 X2 3800+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1295%) |
| Upfront Cost | ⚠️ Higher cost ($278) | ✅ More affordable ($20) |
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 i7-620UM and Athlon 64 X2 3800+
Core i7-620UM
The Core i7-620UM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.06 GHz, with boost up to 2.13 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,091 points. Launch price was $278.
Athlon 64 X2 3800+
The Athlon 64 X2 3800+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Manchester (2005−2006) architecture. It features 2 cores and 2 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,095 points. Launch price was $149.
Processing Power
The Core i7-620UM packs 2 cores / 4 threads, matching the Athlon 64 X2 3800+'s 2 cores. Boost clocks reach 2.13 GHz on the Core i7-620UM versus 2 GHz on the Athlon 64 X2 3800+ — a 6.3% clock advantage for the Core i7-620UM. The Core i7-620UM uses the Arrandale (2010−2011) architecture (32 nm), while the Athlon 64 X2 3800+ uses Manchester (2005−2006) (90 nm). In PassMark, the Core i7-620UM scores 1,091 against the Athlon 64 X2 3800+'s 1,095 — a 0.4% lead for the Athlon 64 X2 3800+. L3 cache: 4 MB (total) on the Core i7-620UM vs 0 kB on the Athlon 64 X2 3800+.
| Feature | Core i7-620UM | Athlon 64 X2 3800+ |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2.13 GHz+6% | 2 GHz |
| Base Clock | 1.06 GHz | — |
| L3 Cache | 4 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 512 kB+100% |
| Process | 32 nm-64% | 90 nm |
| Architecture | Arrandale (2010−2011) | Manchester (2005−2006) |
| PassMark | 1,091 | 1,095 |
| Geekbench 6 Single | 350 | — |
| Geekbench 6 Multi | 700 | — |
Memory & Platform
The Core i7-620UM uses the BGA1288 socket (PCIe 2.0), while the Athlon 64 X2 3800+ uses 939 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Core i7-620UM versus DDR2-800 on the Athlon 64 X2 3800+ — the Core i7-620UM supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon 64 X2 3800+ supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-620UM) vs 0 (Athlon 64 X2 3800+) — the Core i7-620UM offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM55,QM57 (Core i7-620UM) and AMD AM2 (Athlon 64 X2 3800+).
| Feature | Core i7-620UM | Athlon 64 X2 3800+ |
|---|---|---|
| Socket | BGA1288 | 939 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1066+50% | DDR2-800 |
| Max RAM Capacity | 8 GB | 16 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization: VT-x (Core i7-620UM) / not specified (Athlon 64 X2 3800+). The Core i7-620UM includes integrated graphics (Intel HD Graphics (Ironlake)), while the Athlon 64 X2 3800+ requires a dedicated GPU. Primary use case: Core i7-620UM targets Ultra-Portable Laptop. Direct competitor: Core i7-620UM rivals Core 2 Duo SU9600.
| Feature | Core i7-620UM | Athlon 64 X2 3800+ |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics (Ironlake) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Ultra-Portable Laptop | — |
Value Analysis
The Core i7-620UM launched at $278 MSRP, while the Athlon 64 X2 3800+ debuted at $354.
| Feature | Core i7-620UM | Athlon 64 X2 3800+ |
|---|---|---|
| MSRP | $278-21% | $354 |
| Avg Price (30d) | — | $20 |
| Release Date | 2010 | 2005 |
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