
Celeron 3755U vs Ryzen 7 7800X3D

Celeron 3755U
Popular choices:

Ryzen 7 7800X3D
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. The Celeron 3755U is positioned at rank #348 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 3755U
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3755U | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($384) |
| Longevity | 🛑 Legacy (Broadwell-U (2015) / 14 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Celeron 3755U | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($384) |
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 3755U and Ryzen 7 7800X3D

Celeron 3755U
The Celeron 3755U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (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 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,182 points. Launch price was $107.

Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Processing Power
The Celeron 3755U packs 2 cores / 2 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 6 more cores. Boost clocks reach 1.7 GHz on the Celeron 3755U versus 5 GHz on the Ryzen 7 7800X3D — a 98.5% clock advantage for the Ryzen 7 7800X3D (base: 1.7 GHz vs 4.4 GHz). The Celeron 3755U uses the Broadwell-U (2015) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Celeron 3755U scores 1,182 against the Ryzen 7 7800X3D's 34,293 — a 186.7% lead for the Ryzen 7 7800X3D. Multi-core Geekbench: 625 vs 15,000 (184% advantage for the Ryzen 7 7800X3D). L3 cache: 2 MB (total) on the Celeron 3755U vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Celeron 3755U | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 2 / 2 | 8 / 16+300% |
| Boost Clock | 1.7 GHz | 5 GHz+194% |
| Base Clock | 1.7 GHz | 4.4 GHz+159% |
| L3 Cache | 2 MB (total) | 96 MB (total)+4700% |
| L2 Cache | 256K (per core) | 1 MB (per core)+300% |
| Process | 14 nm | 5 nm-64% |
| Architecture | Broadwell-U (2015) | Raphael (Zen4) (2022−2023) |
| PassMark | 1,182 | 34,293+2801% |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | — | 2,700 |
| Geekbench 6 Multi | 625 | 15,000+2300% |
Memory & Platform
The Celeron 3755U uses the FCBGA1168 socket (PCIe 3.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1600 on the Celeron 3755U versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Celeron 3755U) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Wildcat Point-LP (Celeron 3755U) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | Celeron 3755U | Ryzen 7 7800X3D |
|---|---|---|
| Socket | FCBGA1168 | AM5 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR3L-1600 | DDR5-5200+67% |
| Max RAM Capacity | 16 GB | 128 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 12 | 28+133% |
Advanced Features
Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Celeron 3755U) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — HD Graphics (Broadwell) (Celeron 3755U) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 3755U targets Budget, Ryzen 7 7800X3D targets Gaming. Direct competitor: Celeron 3755U rivals Pentium 3825U; Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Celeron 3755U | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Broadwell) | AMD Radeon Graphics (2-core) |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | Budget | Gaming |
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