Pentium 977 vs Phenom X3 8550
Pentium 977
Phenom X3 8550
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 Pentium 977 is positioned at rank 1117 and the Phenom X3 8550 is on rank 513, so the Phenom X3 8550 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium 977
Performance Per Dollar Phenom X3 8550
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 977 | Phenom X3 8550 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Toliman (2008) / 65 nm) |
💎 Value Proposition
| Insight | Pentium 977 | Phenom X3 8550 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ 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 Pentium 977 and Phenom X3 8550
Pentium 977
The Pentium 977 is manufactured by Intel. It was released in 1 January 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,148 points. Launch price was $134.
Phenom X3 8550
The Phenom X3 8550 is manufactured by AMD. It was released in Abril 2008 (17 years ago). It is based on the Toliman (2008) architecture. It features 3 cores and 3 threads. Max frequency: 2.2 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,151 points. Launch price was $170.
Processing Power
The Pentium 977 packs 2 cores / 2 threads, while the Phenom X3 8550 offers 3 cores / 3 threads — the Phenom X3 8550 has 1 more core. Boost clocks reach 1.4 GHz on the Pentium 977 versus 2.2 GHz on the Phenom X3 8550 — a 44.4% clock advantage for the Phenom X3 8550. The Pentium 977 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Phenom X3 8550 uses Toliman (2008) (65 nm). In PassMark, the Pentium 977 scores 1,148 against the Phenom X3 8550's 1,151 — a 0.3% lead for the Phenom X3 8550. Both processors carry 2 MB (total) of L3 cache.
| Feature | Pentium 977 | Phenom X3 8550 |
|---|---|---|
| Cores / Threads | 2 / 2 | 3 / 3+50% |
| Boost Clock | 1.4 GHz | 2.2 GHz+57% |
| Base Clock | 1.4 GHz | — |
| L3 Cache | 2 MB (total) | 2 MB (total) |
| L2 Cache | 256K (per core) | 512 kB (per core)+100% |
| Process | 32 nm-51% | 65 nm |
| Architecture | Sandy Bridge (2011−2013) | Toliman (2008) |
| PassMark | 1,148 | 1,151 |
Memory & Platform
The Pentium 977 uses the BGA1023 socket (PCIe 2.0), while the Phenom X3 8550 uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium 977 | Phenom X3 8550 |
|---|---|---|
| Socket | BGA1023 | AM2+ |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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