Celeron J1800 vs Pentium D 940
Celeron J1800
Pentium D 940
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 J1800 is positioned at rank 750 and the Pentium D 940 is on rank 1055, so the Celeron J1800 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron J1800
Performance Per Dollar Pentium D 940
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron J1800 | Pentium D 940 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Bay Trail-D (2013) / 22 nm) | 🛑 Legacy (NetBurst (2000−2006) / 65 nm) |
💎 Value Proposition
| Insight | Celeron J1800 | Pentium D 940 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
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 J1800 and Pentium D 940
Celeron J1800
The Celeron J1800 is manufactured by Intel. It was released in 1 November 2013 (12 years ago). It is based on the Bay Trail-D (2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.41 GHz, with boost up to 2.58 GHz. L3 cache: 1 MB L2 Cache. L2 cache: 1 MB. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 10 Watt. Memory support: DDR3. Passmark benchmark score: 820 points. Launch price was $72.
Pentium D 940
The Pentium D 940 is manufactured by Intel. It was released in 5 January 2006 (19 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 130 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 875 points. Launch price was $423.
Processing Power
Both the Celeron J1800 and Pentium D 940 share an identical 2-core/2-thread configuration. Boost clocks reach 2.58 GHz on the Celeron J1800 versus 3.2 GHz on the Pentium D 940 — a 21.5% clock advantage for the Pentium D 940 (base: 2.41 GHz vs 3.2 GHz). The Celeron J1800 uses the Bay Trail-D (2013) architecture (22 nm), while the Pentium D 940 uses NetBurst (2000−2006) (65 nm). In PassMark, the Celeron J1800 scores 820 against the Pentium D 940's 875 — a 6.5% lead for the Pentium D 940. L3 cache: 1 MB L2 Cache on the Celeron J1800 vs 0 kB on the Pentium D 940.
| Feature | Celeron J1800 | Pentium D 940 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.58 GHz | 3.2 GHz+24% |
| Base Clock | 2.41 GHz | 3.2 GHz+33% |
| L3 Cache | 1 MB L2 Cache | 0 kB |
| L2 Cache | 1 MB | 2 MB (total)+100% |
| Process | 22 nm-66% | 65 nm |
| Architecture | Bay Trail-D (2013) | NetBurst (2000−2006) |
| PassMark | 820 | 875+7% |
| Geekbench 6 Single | 150 | — |
| Geekbench 6 Multi | 250 | — |
Memory & Platform
The Celeron J1800 uses the FCBGA1170 socket (PCIe 2.0), while the Pentium D 940 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Celeron J1800 | Pentium D 940 |
|---|---|---|
| Socket | FCBGA1170 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3L-1333 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 4 | — |
Advanced Features
Virtualization: VT-x (Celeron J1800) / not specified (Pentium D 940). The Celeron J1800 includes integrated graphics (HD Graphics (Bay Trail)), while the Pentium D 940 requires a dedicated GPU. Primary use case: Celeron J1800 targets Low Power. Direct competitor: Celeron J1800 rivals Pentium J2850.
| Feature | Celeron J1800 | Pentium D 940 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics (Bay Trail) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Low Power | — |
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