Ryzen 7 7800X3D vs Core i7-940
Ryzen 7 7800X3D
Core i7-940
Popular choices:
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 Core i7-940
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 7800X3D | Core i7-940 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($384) | ✅ More affordable ($90) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) | 🛑 Legacy (Bloomfield (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Ryzen 7 7800X3D | Core i7-940 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+165%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($384) | ✅ More affordable ($90) |
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 Core i7-940
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.
Core i7-940
The Core i7-940 is manufactured by Intel. It was released in Novembro 2008 (17 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.93 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 3,029 points. Launch price was $299.
Processing Power
The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Core i7-940 offers 4 cores / 8 threads — the Ryzen 7 7800X3D has 4 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 3.2 GHz on the Core i7-940 — a 43.9% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 2.93 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Core i7-940 uses Bloomfield (2008−2010) (45 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Core i7-940's 3,029 — a 167.5% lead for the Ryzen 7 7800X3D. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 8 MB (total) on the Core i7-940.
| Feature | Ryzen 7 7800X3D | Core i7-940 |
|---|---|---|
| Cores / Threads | 8 / 16+100% | 4 / 8 |
| Boost Clock | 5 GHz+56% | 3.2 GHz |
| Base Clock | 4.4 GHz+50% | 2.93 GHz |
| L3 Cache | 96 MB (total)+1100% | 8 MB (total) |
| L2 Cache | 1 MB (per core)+300% | 256 kB (per core) |
| Process | 5 nm-89% | 45 nm |
| Architecture | Raphael (Zen4) (2022−2023) | Bloomfield (2008−2010) |
| PassMark | 34,293+1032% | 3,029 |
| 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 Core i7-940 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 7800X3D versus DDR3-1066 on the Core i7-940 — 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 24 GB — 136.8% more capacity for professional workloads. Memory channels: 2 (Ryzen 7 7800X3D) vs 3 (Core i7-940). PCIe lanes: 28 (Ryzen 7 7800X3D) vs 36 (Core i7-940) — the Core i7-940 offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Ryzen 7 7800X3D | Core i7-940 |
|---|---|---|
| Socket | AM5 | LGA1366 |
| PCIe Generation | PCIe 5.0+150% | PCIe 2.0 |
| Max RAM Speed | DDR5-5200+67% | DDR3-1066 |
| Max RAM Capacity | 128 GB+433% | 24 GB |
| RAM Channels | 2 | 3+50% |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 28 | 36+29% |
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. Virtualization support: AMD-V (Ryzen 7 7800X3D) vs VT-x (Core i7-940). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Core i7-940 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming, Core i7-940 targets Desktop. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Ryzen 7 7800X3D | Core i7-940 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics (2-core) | — |
| Unlocked | Yes | No |
| AVX-512 | Yes | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Gaming | Desktop |
Value Analysis
The Ryzen 7 7800X3D launched at $449 MSRP, while the Core i7-940 debuted at $562. At current prices ($384 vs $90), the Core i7-940 is $294 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 7800X3D delivers 89.3 pts/$ vs 33.7 pts/$ for the Core i7-940 — making the Ryzen 7 7800X3D the 90.5% better value option.
| Feature | Ryzen 7 7800X3D | Core i7-940 |
|---|---|---|
| MSRP | $449-20% | $562 |
| Avg Price (30d) | $384 | $90-77% |
| Performance per Dollar | 89.3+165% | 33.7 |
| Release Date | 2023 | 2008 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Ryzen 7 7800X3D and Core i7-940
