
Athlon II X4 620

Core i7-920XM
Athlon II X4 620 vs Core i7-920XM Performance Spectrum
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.
Athlon II X4 620 vs Core i7-920XM FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Athlon II X4 620 vs Core i7-920XM: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Athlon II X4 620
2009Why buy it
- ✅+0.6% higher PassMark.
Trade-offs
- ❌Launch MSRP is still $99 MSRP, while Core i7-920XM mostly shows up through inconsistent older-market listings.
- ❌72.7% higher power demand at 95W vs 55W.
Core i7-920XM
2009Why buy it
- ✅Draws 55W instead of 95W, a 40W reduction.
- ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
Trade-offs
- ❌Lower PassMark (2,014 vs 2,026).
Quick Answers
So, is Athlon II X4 620 better than Core i7-920XM?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Athlon II X4 620 vs Core i7-920XM Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

Core i7-920XM
The Core i7-920XM is manufactured by Intel. It was released in 23 September 2009 (16 years ago). It is based on the Clarksfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: PGA988. Thermal design power (TDP): 55 Watt. Memory support: DDR3-1066, DDR3-1333. Passmark benchmark score: 2,014 points. Launch price was $1,054.
Processing Power
The Athlon II X4 620 packs 4 cores / 4 threads, matching the Core i7-920XM's 4 cores. Boost clocks reach 2.6 GHz on the Athlon II X4 620 versus 3.2 GHz on the Core i7-920XM — a 20.7% clock advantage for the Core i7-920XM (base: 2.6 GHz vs 2 GHz). The Athlon II X4 620 uses the Propus (2009−2011) architecture (45 nm), while the Core i7-920XM uses Clarksfield (2009−2010) (45 nm). In PassMark, the Athlon II X4 620 scores 2,026 against the Core i7-920XM's 2,014 — a 0.6% lead for the Athlon II X4 620. L3 cache: 0 kB on the Athlon II X4 620 vs 8 MB (total) on the Core i7-920XM.
| Feature | Athlon II X4 620 | Core i7-920XM |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 2.6 GHz | 3.2 GHz+23% |
| Base Clock | 2.6 GHz+30% | 2 GHz |
| L3 Cache | 0 kB | 8 MB (total) |
| L2 Cache | 512 kB (per core)+100% | 256 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Propus (2009−2011) | Clarksfield (2009−2010) |
| PassMark | 2,026 | 2,014 |
Memory & Platform
The Athlon II X4 620 uses the AM3 socket (PCIe 2.0), while the Core i7-920XM uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Athlon II X4 620 supports up to 32 GB of RAM compared to 8 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X4 620) vs 16 (Core i7-920XM) — the Core i7-920XM offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM3 (Athlon II X4 620) and PM55,HM55,QM57 (Core i7-920XM).
| Feature | Athlon II X4 620 | Core i7-920XM |
|---|---|---|
| Socket | AM3 | PGA988 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | 1333 |
| Max RAM Capacity | 32 GB+300% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | No | No |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Athlon II X4 620) / true (Core i7-920XM). Direct competitor: Core i7-920XM rivals Core i7-2720QM.
| Feature | Athlon II X4 620 | Core i7-920XM |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | true |
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