CPU
GPU
Ryzen 9 PRO 3900
Ryzen 7 8700G
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 Ryzen 9 PRO 3900
Performance Per Dollar Ryzen 7 8700G
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 PRO 3900 | Ryzen 7 8700G |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($200) | ⚠️ Higher cost ($269) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 12 nm) | ✨ Modern (Phoenix (2023−2024) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 PRO 3900 | Ryzen 7 8700G |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+33%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($200) | ⚠️ Higher cost ($269) |
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 Ryzen 9 PRO 3900 and Ryzen 7 8700G
Ryzen 9 PRO 3900
The Ryzen 9 PRO 3900 is manufactured by AMD. It was released in 30 September 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 6 MB. Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 31,251 points. Launch price was $499.
Ryzen 7 8700G
The Ryzen 7 8700G is manufactured by AMD. It was released in 8 January 2024 (1 year ago). It is based on the Phoenix (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 4.2 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 31,649 points. Launch price was $329.
Processing Power
The Ryzen 9 PRO 3900 packs 12 cores / 24 threads, while the Ryzen 7 8700G offers 8 cores / 16 threads — the Ryzen 9 PRO 3900 has 4 more cores. Boost clocks reach 4.3 GHz on the Ryzen 9 PRO 3900 versus 5.1 GHz on the Ryzen 7 8700G — a 17% clock advantage for the Ryzen 7 8700G (base: 3.1 GHz vs 4.2 GHz). The Ryzen 9 PRO 3900 uses the Zen 2 (2017−2020) architecture (7 nm, 12 nm), while the Ryzen 7 8700G uses Phoenix (2023−2024) (4 nm). In PassMark, the Ryzen 9 PRO 3900 scores 31,251 against the Ryzen 7 8700G's 31,649 — a 1.3% lead for the Ryzen 7 8700G. Cinebench R23 multi-core: 17,500 vs 18,000 (2.8% advantage for the Ryzen 7 8700G). Geekbench 6 single-core — the metric most relevant to gaming — records 1,688 vs 2,720, a 46.8% lead for the Ryzen 7 8700G that directly translates to higher frame rates. Multi-core Geekbench: 10,000 vs 14,326 (35.6% advantage for the Ryzen 7 8700G). L3 cache: 64 MB on the Ryzen 9 PRO 3900 vs 16 MB (total) on the Ryzen 7 8700G.
| Feature | Ryzen 9 PRO 3900 | Ryzen 7 8700G |
|---|---|---|
| Cores / Threads | 12 / 24+50% | 8 / 16 |
| Boost Clock | 4.3 GHz | 5.1 GHz+19% |
| Base Clock | 3.1 GHz | 4.2 GHz+35% |
| L3 Cache | 64 MB+300% | 16 MB (total) |
| L2 Cache | 6 MB+500% | 1 MB (per core) |
| Process | 7 nm, 12 nm | 4 nm-43% |
| Architecture | Zen 2 (2017−2020) | Phoenix (2023−2024) |
| PassMark | 31,251 | 31,649+1% |
| Cinebench R23 Multi | 17,500 | 18,000+3% |
| Geekbench 6 Single | 1,688 | 2,720+61% |
| Geekbench 6 Multi | 10,000 | 14,326+43% |
Memory & Platform
The Ryzen 9 PRO 3900 uses the AM4 socket (PCIe 4.0), while the Ryzen 7 8700G uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 PRO 3900 versus DDR5-5200 on the Ryzen 7 8700G — the Ryzen 7 8700G supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 8700G supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 9 PRO 3900) vs 20 (Ryzen 7 8700G) — the Ryzen 9 PRO 3900 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,X470,B450 (Ryzen 9 PRO 3900) and X670,B650,A620 (Ryzen 7 8700G).
| Feature | Ryzen 9 PRO 3900 | Ryzen 7 8700G |
|---|---|---|
| Socket | AM4 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR5-5200+25% |
| Max RAM Capacity | 128 GB | 256 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 24+20% | 20 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 8700G supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 7 8700G includes integrated graphics (Radeon 780M), while the Ryzen 9 PRO 3900 requires a dedicated GPU. Primary use case: Ryzen 9 PRO 3900 targets Professional Content Creation, Ryzen 7 8700G targets High-end Desktop APU. Direct competitor: Ryzen 9 PRO 3900 rivals Core i9-10900; Ryzen 7 8700G rivals Core i7-13700.
| Feature | Ryzen 9 PRO 3900 | Ryzen 7 8700G |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon 780M |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | AMD-V |
| Target Use | Professional Content Creation | High-end Desktop APU |
Value Analysis
The Ryzen 9 PRO 3900 launched at $499 MSRP, while the Ryzen 7 8700G debuted at $329. At current prices ($200 vs $269), the Ryzen 9 PRO 3900 is $69 cheaper. In terms of value (PassMark points per dollar), the Ryzen 9 PRO 3900 delivers 156.3 pts/$ vs 117.7 pts/$ for the Ryzen 7 8700G — making the Ryzen 9 PRO 3900 the 28.2% better value option.
| Feature | Ryzen 9 PRO 3900 | Ryzen 7 8700G |
|---|---|---|
| MSRP | $499 | $329-34% |
| Avg Price (30d) | $200-26% | $269 |
| Performance per Dollar | 156.3+33% | 117.7 |
| Release Date | 2019 | 2024 |
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