Phenom X4 9100e vs Celeron 3865U
Phenom X4 9100e
Celeron 3865U
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 Phenom X4 9100e is positioned at rank 453 and the Celeron 3865U is on rank 645, so the Phenom X4 9100e offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom X4 9100e
Performance Per Dollar Celeron 3865U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom X4 9100e | Celeron 3865U |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($35) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Agena (2007−2008) / 65 nm) | ✨ Modern (Kaby Lake-U (2017) / 14 nm) |
💎 Value Proposition
| Insight | Phenom X4 9100e | Celeron 3865U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($35) | ✅ 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 Phenom X4 9100e and Celeron 3865U
Phenom X4 9100e
The Phenom X4 9100e is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 1.8 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 65 Watt. Passmark benchmark score: 1,353 points. Launch price was $149.
Celeron 3865U
The Celeron 3865U is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake-U (2017) 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 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,343 points. Launch price was $107.
Processing Power
The Phenom X4 9100e packs 4 cores / 4 threads, while the Celeron 3865U offers 2 cores / 2 threads — the Phenom X4 9100e has 2 more cores. Boost clocks reach 1.8 GHz on the Phenom X4 9100e versus 1.8 GHz on the Celeron 3865U — identical boost frequencies. The Phenom X4 9100e uses the Agena (2007−2008) architecture (65 nm), while the Celeron 3865U uses Kaby Lake-U (2017) (14 nm). In PassMark, the Phenom X4 9100e scores 1,353 against the Celeron 3865U's 1,343 — a 0.7% lead for the Phenom X4 9100e. Both processors carry 2 MB (total) of L3 cache.
| Feature | Phenom X4 9100e | Celeron 3865U |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 1.8 GHz | 1.8 GHz |
| Base Clock | — | 1.8 GHz |
| L3 Cache | 2 MB (total) | 2 MB (total) |
| L2 Cache | 512 kB (per core)+100% | 256K (per core) |
| Process | 65 nm | 14 nm-78% |
| Architecture | Agena (2007−2008) | Kaby Lake-U (2017) |
| PassMark | 1,353 | 1,343 |
| Geekbench 6 Single | — | 389 |
| Geekbench 6 Multi | — | 674 |
Memory & Platform
The Phenom X4 9100e uses the AM2+ socket (PCIe 2.0), while the Celeron 3865U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Phenom X4 9100e | Celeron 3865U |
|---|---|---|
| Socket | AM2+ | BGA1356 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR4-2133 / LPDDR3-1866 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 10 |
Advanced Features
Virtualization: not specified (Phenom X4 9100e) / VT-x / VT-d / EPT (Celeron 3865U). The Celeron 3865U includes integrated graphics (Intel HD Graphics 610), while the Phenom X4 9100e requires a dedicated GPU. Primary use case: Celeron 3865U targets Entry-level. Direct competitor: Celeron 3865U rivals Pentium Gold 4415U.
| Feature | Phenom X4 9100e | Celeron 3865U |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics 610 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x / VT-d / EPT |
| Target Use | — | Entry-level |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Phenom X4 9100e and Celeron 3865U
