Phenom II X3 B77 vs Celeron G3900TE
Phenom II X3 B77
Celeron G3900TE
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 II X3 B77 is positioned at rank 1057 and the Celeron G3900TE is on rank 467, so the Celeron G3900TE offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom II X3 B77
Performance Per Dollar Celeron G3900TE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X3 B77 | Celeron G3900TE |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($35) | ⚠️ Higher cost ($45) |
| Longevity | 🛑 Legacy (Heka (2009−2010) / 45 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Phenom II X3 B77 | Celeron G3900TE |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+28%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($35) | ⚠️ Higher cost ($45) |
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 II X3 B77 and Celeron G3900TE
Phenom II X3 B77
The Phenom II X3 B77 is manufactured by AMD. It was released in 2009-01-01. It is based on the Heka (2009−2010) architecture. It features 3 cores and 3 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,844 points. Launch price was $149.
Celeron G3900TE
The Celeron G3900TE is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Max frequency: 2.3 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR3L-1600. Passmark benchmark score: 1,850 points. Launch price was $42.
Processing Power
The Phenom II X3 B77 packs 3 cores / 3 threads, while the Celeron G3900TE offers 2 cores / 2 threads — the Phenom II X3 B77 has 1 more core. Boost clocks reach 3.2 GHz on the Phenom II X3 B77 versus 2.3 GHz on the Celeron G3900TE — a 32.7% clock advantage for the Phenom II X3 B77. The Phenom II X3 B77 uses the Heka (2009−2010) architecture (45 nm), while the Celeron G3900TE uses Skylake (2015−2016) (14 nm). In PassMark, the Phenom II X3 B77 scores 1,844 against the Celeron G3900TE's 1,850 — a 0.3% lead for the Celeron G3900TE. L3 cache: 6 MB (total) on the Phenom II X3 B77 vs 2 MB on the Celeron G3900TE.
| Feature | Phenom II X3 B77 | Celeron G3900TE |
|---|---|---|
| Cores / Threads | 3 / 3+50% | 2 / 2 |
| Boost Clock | 3.2 GHz+39% | 2.3 GHz |
| Base Clock | 3.2 GHz | — |
| L3 Cache | 6 MB (total)+200% | 2 MB |
| L2 Cache | 512 kB (per core) | 512 kB |
| Process | 45 nm | 14 nm-69% |
| Architecture | Heka (2009−2010) | Skylake (2015−2016) |
| PassMark | 1,844 | 1,850 |
| Geekbench 6 Single | — | 514 |
| Geekbench 6 Multi | — | 903 |
Memory & Platform
The Phenom II X3 B77 uses the AM3 socket (PCIe 2.0), while the Celeron G3900TE uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Phenom II X3 B77 versus DDR4-2133 on the Celeron G3900TE — the Celeron G3900TE supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G3900TE supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Phenom II X3 B77) vs 16 (Celeron G3900TE) — the Celeron G3900TE offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM3 (Phenom II X3 B77) and H110,Q170 (Celeron G3900TE).
| Feature | Phenom II X3 B77 | Celeron G3900TE |
|---|---|---|
| Socket | AM3 | LGA1151 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR4-2133+33% |
| Max RAM Capacity | 32 GB | 64 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Phenom II X3 B77) / VT-x, VT-d (Celeron G3900TE). The Celeron G3900TE includes integrated graphics (Intel HD Graphics 510), while the Phenom II X3 B77 requires a dedicated GPU. Primary use case: Celeron G3900TE targets Embedded. Direct competitor: Celeron G3900TE rivals Pentium G4400T.
| Feature | Phenom II X3 B77 | Celeron G3900TE |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel HD Graphics 510 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Embedded |
Value Analysis
The Phenom II X3 B77 launched at $281 MSRP, while the Celeron G3900TE debuted at $42. At current prices ($35 vs $45), the Phenom II X3 B77 is $10 cheaper. In terms of value (PassMark points per dollar), the Phenom II X3 B77 delivers 52.7 pts/$ vs 41.1 pts/$ for the Celeron G3900TE — making the Phenom II X3 B77 the 24.7% better value option.
| Feature | Phenom II X3 B77 | Celeron G3900TE |
|---|---|---|
| MSRP | $281 | $42-85% |
| Avg Price (30d) | $35-22% | $45 |
| Performance per Dollar | 52.7+28% | 41.1 |
| Release Date | 2010 | 2015 |
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