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