
Celeron 1000M vs Pentium 3556U

Celeron 1000M

Pentium 3556U
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 1000M is positioned at rank 1026 and the Pentium 3556U is on rank 253, so the Pentium 3556U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 1000M
Performance Per Dollar Pentium 3556U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 1000M | Pentium 3556U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($86) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Celeron 1000M | Pentium 3556U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($86) | ✅ More affordable ($0) |
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 1000M and Pentium 3556U

Celeron 1000M
The Celeron 1000M is manufactured by Intel. It was released in 20 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,070 points. Launch price was $86.

Pentium 3556U
The Pentium 3556U is manufactured by Intel. It was released in 2007-01-01. It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,072 points. Launch price was $69.
Processing Power
Both the Celeron 1000M and Pentium 3556U share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Celeron 1000M versus 1.7 GHz on the Pentium 3556U — a 5.7% clock advantage for the Celeron 1000M (base: 1.8 GHz vs 1.7 GHz). The Celeron 1000M uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Pentium 3556U uses Haswell (2013−2015) (22 nm). In PassMark, the Celeron 1000M scores 1,070 against the Pentium 3556U's 1,072 — a 0.2% lead for the Pentium 3556U. Both processors carry 2 MB (total) of L3 cache.
| Feature | Celeron 1000M | Pentium 3556U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.8 GHz+6% | 1.7 GHz |
| Base Clock | 1.8 GHz+6% | 1.7 GHz |
| L3 Cache | 2 MB (total) | 2 MB (total) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 22 nm | 22 nm |
| Architecture | Ivy Bridge (2012−2013) | Haswell (2013−2015) |
| PassMark | 1,070 | 1,072 |
Memory & Platform
The Celeron 1000M uses the PGA988 socket (PCIe 3.0), while the Pentium 3556U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Celeron 1000M | Pentium 3556U |
|---|---|---|
| Socket | PGA988 | FCBGA1168 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3-1600 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
The Celeron 1000M includes integrated graphics (Intel HD Graphics (Ivy Bridge)), while the Pentium 3556U requires a dedicated GPU.
| Feature | Celeron 1000M | Pentium 3556U |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics (Ivy Bridge) | — |
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