
Core 2 Duo E8400

Pentium A1020
Core 2 Duo E8400 vs Pentium A1020 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.
Core 2 Duo E8400 vs Pentium A1020 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
Core 2 Duo E8400 vs Pentium A1020: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core 2 Duo E8400
2008Why buy it
- ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
- ✅Includes a boxed cooler (true), unlike Pentium A1020.
Trade-offs
- ❌Lower PassMark (1,165 vs 1,167).
- ❌550% higher power demand at 65W vs 10W.
Pentium A1020
2016Why buy it
- ✅+0.2% higher PassMark.
- ✅Draws 10W instead of 65W, a 55W reduction.
Trade-offs
- ❌Launch MSRP is still $86 MSRP, while Core 2 Duo E8400 mostly shows up through inconsistent older-market listings.
- ❌No boxed cooler included, unlike Core 2 Duo E8400.
Quick Answers
So, is Pentium A1020 better than Core 2 Duo E8400?
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?
Core 2 Duo E8400 vs Pentium A1020 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core 2 Duo E8400
The Core 2 Duo E8400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,165 points. Launch price was $249.

Pentium A1020
The Pentium A1020 is manufactured by Intel. It was released in 2007-01-01. It features 4 cores and 4 threads. Base frequency is 2.41 GHz, with boost up to 2.7 GHz. L3 cache: 2 MB L2 Cache. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 10 Watt. Memory support: DDR3L-1333. Passmark benchmark score: 1,167 points. Launch price was $69.
Processing Power
The Core 2 Duo E8400 packs 2 cores / 2 threads, while the Pentium A1020 offers 4 cores / 4 threads — the Pentium A1020 has 2 more cores. Boost clocks reach 3 GHz on the Core 2 Duo E8400 versus 2.7 GHz on the Pentium A1020 — a 10.5% clock advantage for the Core 2 Duo E8400 (base: 3 GHz vs 2.41 GHz). The Core 2 Duo E8400 is built on the Wolfdale (2008−2010) architecture. In PassMark, the Core 2 Duo E8400 scores 1,165 against the Pentium A1020's 1,167 — a 0.2% lead for the Pentium A1020. L3 cache: 0 kB on the Core 2 Duo E8400 vs 2 MB L2 Cache on the Pentium A1020.
| Feature | Core 2 Duo E8400 | Pentium A1020 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 3 GHz+11% | 2.7 GHz |
| Base Clock | 3 GHz+24% | 2.41 GHz |
| L3 Cache | 0 kB | 2 MB L2 Cache |
| L2 Cache | 6 MB (total) | — |
| Process | 45 nm | 22 nm-51% |
| Architecture | Wolfdale (2008−2010) | — |
| PassMark | 1,165 | 1,167 |
Memory & Platform
The Core 2 Duo E8400 uses the LGA775 socket (PCIe 1.1), while the Pentium A1020 uses FCBGA1170 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo E8400 | Pentium A1020 |
|---|---|---|
| Socket | LGA775 | FCBGA1170 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | 1333 | — |
| Max RAM Capacity | 16 | — |
| RAM Channels | 2 | — |
| ECC Support | No | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: true (Core 2 Duo E8400) / not specified (Pentium A1020). Direct competitor: Core 2 Duo E8400 rivals Phenom II X2 550.
| Feature | Core 2 Duo E8400 | Pentium A1020 |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
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