
Celeron J3455 vs Core 2 Duo T6500

Celeron J3455

Core 2 Duo T6500
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 Celeron J3455 is positioned at rank 994 and the Core 2 Duo T6500 is on rank 178, so the Core 2 Duo T6500 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron J3455
Performance Per Dollar Core 2 Duo T6500
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron J3455 | Core 2 Duo T6500 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Apollo Lake (2014−2016) / 14 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Celeron J3455 | Core 2 Duo T6500 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Celeron J3455 and Core 2 Duo T6500

Celeron J3455
The Celeron J3455 is manufactured by Intel. It was released in 30 August 2016 (9 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.3 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 10 Watt. Memory support: DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s. Passmark benchmark score: 2,247 points. Launch price was $107.

Core 2 Duo T6500
The Core 2 Duo T6500 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.1 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,249 points. Launch price was $249.
Processing Power
The Celeron J3455 packs 4 cores / 4 threads, while the Core 2 Duo T6500 offers 2 cores / 2 threads — the Celeron J3455 has 2 more cores. Boost clocks reach 2.3 GHz on the Celeron J3455 versus 2.1 GHz on the Core 2 Duo T6500 — a 9.1% clock advantage for the Celeron J3455 (base: 1.5 GHz vs 2.1 GHz). The Celeron J3455 uses the Apollo Lake (2014−2016) architecture (14 nm), while the Core 2 Duo T6500 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron J3455 scores 2,247 against the Core 2 Duo T6500's 2,249 — a 0.1% lead for the Core 2 Duo T6500. L3 cache: 0 kB on the Celeron J3455 vs 2 MB L2 Cache on the Core 2 Duo T6500.
| Feature | Celeron J3455 | Core 2 Duo T6500 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.3 GHz+10% | 2.1 GHz |
| Base Clock | 1.5 GHz | 2.1 GHz+40% |
| L3 Cache | 0 kB | 2 MB L2 Cache |
| L2 Cache | 2 MB | 2 MB |
| Process | 14 nm-69% | 45 nm |
| Architecture | Apollo Lake (2014−2016) | Penryn (2008−2011) |
| PassMark | 2,247 | 2,249 |
| Geekbench 6 Single | 450 | — |
| Geekbench 6 Multi | 850 | — |
Memory & Platform
The Celeron J3455 uses the FCBGA1296 socket (PCIe 3.0), while the Core 2 Duo T6500 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Celeron J3455 versus DDR2-800 on the Core 2 Duo T6500 — the Celeron J3455 supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 6 (Celeron J3455) vs 16 (Core 2 Duo T6500) — the Core 2 Duo T6500 offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: N/A (SoC) (Celeron J3455) and PM45 (Core 2 Duo T6500).
| Feature | Celeron J3455 | Core 2 Duo T6500 |
|---|---|---|
| Socket | FCBGA1296 | PGA478 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR4-2400+100% | DDR2-800 |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 6 | 16+167% |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Celeron J3455) vs false (Core 2 Duo T6500). The Celeron J3455 includes integrated graphics (HD Graphics 500), while the Core 2 Duo T6500 requires a dedicated GPU. Primary use case: Celeron J3455 targets Low Power. Direct competitor: Celeron J3455 rivals Pentium J4205.
| Feature | Celeron J3455 | Core 2 Duo T6500 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 500 | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | false |
| Target Use | Low Power | — |
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