
Athlon II M300

Xeon E5502
Athlon II M300 vs Xeon E5502 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 M300 vs Xeon E5502 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 M300 vs Xeon E5502: 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 M300
2009Why buy it
- ✅Costs $88 less on MSRP ($100 MSRP vs $188 MSRP).
- ✅Delivers 85.3% more PassMark for each dollar spent, at 17.0 vs 9.2 PassMark/$ ($100 MSRP vs $188 MSRP).
- ✅Draws 1W instead of 80W, a 79W reduction.
Trade-offs
- ❌Lower PassMark (1,700 vs 1,725).
- ❌Less compelling for workstation-style loads than Xeon E5502, which brings 2 cores / 2 threads and 32 PCIe lanes.
Xeon E5502
2009Why buy it
- ✅+1.5% higher PassMark.
- ✅Better for workstations and heavier parallel workloads: 2 cores / 2 threads, plus 32 PCIe lanes vs 0.
- ✅100+% more PCIe lanes (32 vs 0) for storage and expansion-heavy builds.
Trade-offs
- ❌Lower PassMark per dollar, at 9.2 vs 17.0 PassMark/$ ($188 MSRP vs $100 MSRP).
- ❌7900% higher power demand at 80W vs 1W.
Quick Answers
So, is Athlon II M300 better than Xeon E5502?
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 M300 vs Xeon E5502 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Athlon II M300
The Athlon II M300 is manufactured by AMD. It was released in 2009-01-01. It is based on the Caspian (2009) architecture. It features 2 cores and 2 threads. Max frequency: 2 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1g3. Thermal design power (TDP): 1 MB. Memory support: DDR2. Passmark benchmark score: 1,700 points. Launch price was $149.

Xeon E5502
The Xeon E5502 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 1.87 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,725 points. Launch price was $95.
Processing Power
Both the Athlon II M300 and Xeon E5502 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Athlon II M300 versus 1.87 GHz on the Xeon E5502 — a 6.7% clock advantage for the Athlon II M300. The Athlon II M300 uses the Caspian (2009) architecture (45 nm), while the Xeon E5502 uses Gainestown (2009−2010) (45 nm). In PassMark, the Athlon II M300 scores 1,700 against the Xeon E5502's 1,725 — a 1.5% lead for the Xeon E5502.
| Feature | Athlon II M300 | Xeon E5502 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2 GHz+7% | 1.87 GHz |
| Base Clock | — | 1.86 GHz |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 1 MB+300% | 256 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Caspian (2009) | Gainestown (2009−2010) |
| PassMark | 1,700 | 1,725+1% |
| Geekbench 6 Single | — | 200 |
| Geekbench 6 Multi | — | 800 |
Memory & Platform
The Athlon II M300 uses the S1g3 socket (PCIe 2.0), while the Xeon E5502 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to 800 memory speed. The Xeon E5502 supports up to 144 GB of RAM compared to 8 GB — 1700% more capacity for professional workloads. Memory channels: 2 (Athlon II M300) vs 3 (Xeon E5502). PCIe lanes: 0 (Athlon II M300) vs 32 (Xeon E5502) — the Xeon E5502 offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: S1g3 (Athlon II M300) and Intel 5500,Intel 5520,Intel X58 (Xeon E5502).
| Feature | Athlon II M300 | Xeon E5502 |
|---|---|---|
| Socket | S1g3 | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | 800 | DDR3-800 |
| Max RAM Capacity | 8 GB | 144 GB+1700% |
| RAM Channels | 2 | 3+50% |
| ECC Support | No | Yes |
| PCIe Lanes | 0 | 32 |
Advanced Features
Both support true virtualization. Direct competitor: Athlon II M300 rivals Core 2 Duo T6400.
| Feature | Athlon II M300 | Xeon E5502 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | No |
| Virtualization | true | true |
Value Analysis
At launch, the Athlon II M300 was priced at $100, while the Xeon E5502 came in at $188. On launch pricing ($100 vs $188), Athlon II M300 was $88 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II M300 delivers 17.0 pts/$ vs 9.2 pts/$ for the Xeon E5502 — making the Athlon II M300 the 59.8% better value option.
| Feature | Athlon II M300 | Xeon E5502 |
|---|---|---|
| MSRP | $100-47% | $188 |
| Performance per Dollar | 17.0+85% | 9.2 |
| Release Date | 2009 | 2009 |
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