
Core i5-13600K vs Phenom II X3 B77

Core i5-13600K

Phenom II X3 B77
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-13600K
Performance Per Dollar Phenom II X3 B77
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-13600K | Phenom II X3 B77 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($319) | ✅ More affordable ($35) |
| Longevity | ✨ Modern (Raptor Lake, Raptor Cove, Gracemont (2022) / Intel 7 nm) | 🛑 Legacy (Heka (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Core i5-13600K | Phenom II X3 B77 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+124%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($319) | ✅ More affordable ($35) |
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 Core i5-13600K and Phenom II X3 B77

Core i5-13600K
The Core i5-13600K is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 14 cores and 20 threads. Base frequency is 3.5 GHz, with boost up to 5.1 GHz. L3 cache: 24 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 37,655 points. Launch price was $319.

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.
Processing Power
The Core i5-13600K packs 14 cores / 20 threads, while the Phenom II X3 B77 offers 3 cores / 3 threads — the Core i5-13600K has 11 more cores. Boost clocks reach 5.1 GHz on the Core i5-13600K versus 3.2 GHz on the Phenom II X3 B77 — a 45.8% clock advantage for the Core i5-13600K (base: 3.5 GHz vs 3.2 GHz). The Core i5-13600K uses the Raptor Lake, Raptor Cove, Gracemont (2022) architecture (Intel 7 nm), while the Phenom II X3 B77 uses Heka (2009−2010) (45 nm). In PassMark, the Core i5-13600K scores 37,655 against the Phenom II X3 B77's 1,844 — a 181.3% lead for the Core i5-13600K. L3 cache: 24 MB on the Core i5-13600K vs 6 MB (total) on the Phenom II X3 B77.
| Feature | Core i5-13600K | Phenom II X3 B77 |
|---|---|---|
| Cores / Threads | 14 / 20+367% | 3 / 3 |
| Boost Clock | 5.1 GHz+59% | 3.2 GHz |
| Base Clock | 3.5 GHz+9% | 3.2 GHz |
| L3 Cache | 24 MB+300% | 6 MB (total) |
| L2 Cache | 2 MB (per core)+300% | 512 kB (per core) |
| Process | Intel 7 nm-84% | 45 nm |
| Architecture | Raptor Lake, Raptor Cove, Gracemont (2022) | Heka (2009−2010) |
| PassMark | 37,655+1942% | 1,844 |
Memory & Platform
The Core i5-13600K uses the LGA1700 socket (PCIe 5.0), while the Phenom II X3 B77 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i5-13600K versus DDR3-1333 on the Phenom II X3 B77 — the Core i5-13600K supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-13600K supports up to 192 GB of RAM compared to 32 GB — 142.9% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-13600K) vs 0 (Phenom II X3 B77) — the Core i5-13600K offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 600 series,Intel 700 series (Core i5-13600K) and AM3 (Phenom II X3 B77).
| Feature | Core i5-13600K | Phenom II X3 B77 |
|---|---|---|
| Socket | LGA1700 | AM3 |
| PCIe Generation | PCIe 5.0+150% | PCIe 2.0 |
| Max RAM Speed | DDR5-5600+67% | DDR3-1333 |
| Max RAM Capacity | 192 GB+500% | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 0 |
Advanced Features
Virtualization: VT-x, VT-d (Core i5-13600K) / not specified (Phenom II X3 B77). The Core i5-13600K includes integrated graphics (UHD Graphics 770), while the Phenom II X3 B77 requires a dedicated GPU. Primary use case: Core i5-13600K targets Desktop.
| Feature | Core i5-13600K | Phenom II X3 B77 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD Graphics 770 | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Desktop | — |
Value Analysis
The Core i5-13600K launched at $329 MSRP, while the Phenom II X3 B77 debuted at $281. At current prices ($319 vs $35), the Phenom II X3 B77 is $284 cheaper. In terms of value (PassMark points per dollar), the Core i5-13600K delivers 118.0 pts/$ vs 52.7 pts/$ for the Phenom II X3 B77 — making the Core i5-13600K the 76.6% better value option.
| Feature | Core i5-13600K | Phenom II X3 B77 |
|---|---|---|
| MSRP | $329 | $281-15% |
| Avg Price (30d) | $319 | $35-89% |
| Performance per Dollar | 118.0+124% | 52.7 |
| Release Date | 2022 | 2010 |
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