A8-7650K vs Pentium Gold G6405T
A8-7650K
Pentium Gold G6405T
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 A8-7650K is positioned at rank #412 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 A8-7650K
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A8-7650K | Pentium Gold G6405T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) | ✨ Modern (Comet Lake-R (2021) / 14 nm) |
💎 Value Proposition
| Insight | A8-7650K | Pentium Gold G6405T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 A8-7650K and Pentium Gold G6405T
A8-7650K
The A8-7650K is manufactured by AMD. It was released in 7 January 2015 (10 years ago). It is based on the Kaveri (2014−2015) architecture. It features 4 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.8 GHz. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 95 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,114 points. Launch price was $152.
Pentium Gold G6405T
The Pentium Gold G6405T is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,095 points. Launch price was $64.
Processing Power
The A8-7650K packs 4 cores / 4 threads, while the Pentium Gold G6405T offers 2 cores / 4 threads — the A8-7650K has 2 more cores. Boost clocks reach 3.8 GHz on the A8-7650K versus 3.5 GHz on the Pentium Gold G6405T — a 8.2% clock advantage for the A8-7650K (base: 3.3 GHz vs 3.5 GHz). The A8-7650K uses the Kaveri (2014−2015) architecture (28 nm), while the Pentium Gold G6405T uses Comet Lake-R (2021) (14 nm). In PassMark, the A8-7650K scores 3,114 against the Pentium Gold G6405T's 3,095 — a 0.6% lead for the A8-7650K.
| Feature | A8-7650K | Pentium Gold G6405T |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 4 |
| Boost Clock | 3.8 GHz+9% | 3.5 GHz |
| Base Clock | 3.3 GHz | 3.5 GHz+6% |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 4096 kB+1500% | 256 kB (per core) |
| Process | 28 nm | 14 nm-50% |
| Architecture | Kaveri (2014−2015) | Comet Lake-R (2021) |
| PassMark | 3,114 | 3,095 |
Memory & Platform
The A8-7650K uses the FM2+ socket (PCIe 3.0), while the Pentium Gold G6405T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | A8-7650K | Pentium Gold G6405T |
|---|---|---|
| Socket | FM2+ | LGA1200 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 2133 | — |
| Max RAM Capacity | 64 | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: true (A8-7650K) / not specified (Pentium Gold G6405T). The A8-7650K includes integrated graphics (Radeon R7 Graphics), while the Pentium Gold G6405T requires a dedicated GPU. Direct competitor: A8-7650K rivals Core i3-4170.
| Feature | A8-7650K | Pentium Gold G6405T |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon R7 Graphics | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | true | — |
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