
Ryzen 7 7800X3D vs FX-7500

Ryzen 7 7800X3D

FX-7500
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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 7800X3D
Performance Per Dollar FX-7500
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 7800X3D | FX-7500 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($384) | ✅ More affordable ($25) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) |
💎 Value Proposition
| Insight | Ryzen 7 7800X3D | FX-7500 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+44%) |
| Upfront Cost | ⚠️ Higher cost ($384) | ✅ More affordable ($25) |
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 7800X3D and FX-7500

Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

FX-7500
The FX-7500 is manufactured by AMD. It was released in 4 June 2014 (11 years ago). It is based on the Kaveri (2014−2015) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.3 GHz. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FP3. Thermal design power (TDP): 19 Watt. Memory support: DDR3-1600. Passmark benchmark score: 3,209 points. Launch price was $69.
Processing Power
The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the FX-7500 offers 4 cores / 4 threads — the Ryzen 7 7800X3D has 4 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 3.3 GHz on the FX-7500 — a 41% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 2.1 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the FX-7500 uses Kaveri (2014−2015) (28 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the FX-7500's 3,209 — a 165.8% lead for the Ryzen 7 7800X3D.
| Feature | Ryzen 7 7800X3D | FX-7500 |
|---|---|---|
| Cores / Threads | 8 / 16+100% | 4 / 4 |
| Boost Clock | 5 GHz+52% | 3.3 GHz |
| Base Clock | 4.4 GHz+110% | 2.1 GHz |
| L3 Cache | 96 MB (total) | — |
| L2 Cache | 1 MB (per core) | 4096 kB+300% |
| Process | 5 nm-82% | 28 nm |
| Architecture | Raphael (Zen4) (2022−2023) | Kaveri (2014−2015) |
| PassMark | 34,293+969% | 3,209 |
| Cinebench R23 Multi | 18,500 | — |
| Geekbench 6 Single | 2,700 | — |
| Geekbench 6 Multi | 15,000 | — |
Memory & Platform
The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the FX-7500 uses FP3 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 7800X3D versus DDR3-1600 on the FX-7500 — the Ryzen 7 7800X3D supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Ryzen 7 7800X3D) vs 8 (FX-7500) — the Ryzen 7 7800X3D offers 20 more lanes for additional GPUs or NVMe drives.
| Feature | Ryzen 7 7800X3D | FX-7500 |
|---|---|---|
| Socket | AM5 | FP3 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-5200+67% | DDR3-1600 |
| Max RAM Capacity | 128 GB+700% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 28+250% | 8 |
Advanced Features
Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. Both include integrated graphics — AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) and Radeon R7 (FX-7500) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming, FX-7500 targets Mobile. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Ryzen 7 7800X3D | FX-7500 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | AMD Radeon Graphics (2-core) | Radeon R7 |
| Unlocked | Yes | No |
| AVX-512 | Yes | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Gaming | Mobile |
Value Analysis
The Ryzen 7 7800X3D launched at $449 MSRP, while the FX-7500 debuted at $100. At current prices ($384 vs $25), the FX-7500 is $359 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 7800X3D delivers 89.3 pts/$ vs 128.4 pts/$ for the FX-7500 — making the FX-7500 the 35.9% better value option.
| Feature | Ryzen 7 7800X3D | FX-7500 |
|---|---|---|
| MSRP | $449 | $100-78% |
| Avg Price (30d) | $384 | $25-93% |
| Performance per Dollar | 89.3 | 128.4+44% |
| Release Date | 2023 | 2014 |
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