Pentium G640T vs Core i5-12400F
Pentium G640T
Core i5-12400F
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 Pentium G640T is positioned at rank #848 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 Pentium G640T
Performance Per Dollar Core i5-12400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G640T | Core i5-12400F |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($69) | ⚠️ Higher cost ($110) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) |
💎 Value Proposition
| Insight | Pentium G640T | Core i5-12400F |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+976%) |
| Upfront Cost | ✅ More affordable ($69) | ⚠️ Higher cost ($110) |
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 Pentium G640T and Core i5-12400F
Pentium G640T
The Pentium G640T is manufactured by Intel. It was released in 2007-01-01. It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,139 points. Launch price was $69.
Core i5-12400F
The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.
Processing Power
The Pentium G640T packs 2 cores / 2 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 4 more cores. Boost clocks reach 2.4 GHz on the Pentium G640T versus 4.4 GHz on the Core i5-12400F — a 58.8% clock advantage for the Core i5-12400F (base: 2.4 GHz vs 2.5 GHz). The Pentium G640T uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Pentium G640T scores 1,139 against the Core i5-12400F's 19,532 — a 178% lead for the Core i5-12400F. L3 cache: 3 MB (total) on the Pentium G640T vs 18 MB (total) on the Core i5-12400F.
| Feature | Pentium G640T | Core i5-12400F |
|---|---|---|
| Cores / Threads | 2 / 2 | 6 / 12+200% |
| Boost Clock | 2.4 GHz | 4.4 GHz+83% |
| Base Clock | 2.4 GHz | 2.5 GHz+4% |
| L3 Cache | 3 MB (total) | 18 MB (total)+500% |
| L2 Cache | 256 kB (per core) | 1.25 MB (per core)+400% |
| Process | 32 nm | Intel 7 nm-78% |
| Architecture | Sandy Bridge (2011−2013) | Alder Lake-S (2022) |
| PassMark | 1,139 | 19,532+1615% |
| Cinebench R23 Multi | — | 12,380 |
| Geekbench 6 Single | — | 1,700 |
| Geekbench 6 Multi | — | 657 |
Memory & Platform
The Pentium G640T uses the LGA1155 socket (PCIe 2.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Pentium G640T | Core i5-12400F |
|---|---|---|
| Socket | LGA1155 | LGA1700 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR5-4800, DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Pentium G640T) / VT-x, VT-d, EPT (Core i5-12400F). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.
| Feature | Pentium G640T | Core i5-12400F |
|---|---|---|
| Integrated GPU | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Gaming Performance/Value |
Value Analysis
The Pentium G640T launched at $64 MSRP, while the Core i5-12400F debuted at $174. At current prices ($69 vs $110), the Pentium G640T is $41 cheaper. In terms of value (PassMark points per dollar), the Pentium G640T delivers 16.5 pts/$ vs 177.6 pts/$ for the Core i5-12400F — making the Core i5-12400F the 166% better value option.
| Feature | Pentium G640T | Core i5-12400F |
|---|---|---|
| MSRP | $64-63% | $174 |
| Avg Price (30d) | $69-37% | $110 |
| Performance per Dollar | 16.5 | 177.6+976% |
| Release Date | 2012 | 2022 |
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