Core 2 Duo E8400 vs Pentium A1020

Intel

Core 2 Duo E8400

2 Cores2 Thrd65 WWMax: 3 GHz2008
Similar parts
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VS
Intel

Pentium A1020

4 Cores4 Thrd10 WWMax: 2.7 GHz2016
Similar parts
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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.

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

2008

Why 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

2016

Why 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?
It depends on what you want from the system. For gaming, Core 2 Duo E8400 is ahead with a 1.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Pentium A1020 pulls ahead with 0.2% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Pentium A1020 is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Pentium A1020 is the better buy right now. Pentium A1020 comes in at an unclear MSRP at $86 MSRP versus unclear MSRP, and it still gives you 0.2% better PassMark. The compromise is that Core 2 Duo E8400 is still the better pure gaming CPU with a 1.9% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (13.6 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Pentium A1020 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2008) and more multi-core headroom with 4 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Duo E8400 vs Pentium A1020 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

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.

Intel

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.

FeatureCore 2 Duo E8400Pentium 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
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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.

FeatureCore 2 Duo E8400Pentium 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
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Advanced Features

Virtualization: true (Core 2 Duo E8400) / not specified (Pentium A1020). Direct competitor: Core 2 Duo E8400 rivals Phenom II X2 550.

FeatureCore 2 Duo E8400Pentium A1020
Integrated GPU
No
IGPU Model
None
Unlocked
No
AVX-512
No
Virtualization
true