
Pentium G640T vs E2-3800

Pentium G640T

E2-3800
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. The Pentium G640T is positioned at rank 848 and the E2-3800 is on rank 1047, so the Pentium G640T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium G640T
Performance Per Dollar E2-3800
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium G640T | E2-3800 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($69) | ✅ More affordable ($20) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Kabini (2013−2014) / 28 nm) |
💎 Value Proposition
| Insight | Pentium G640T | E2-3800 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+244%) |
| Upfront Cost | ⚠️ Higher cost ($69) | ✅ More affordable ($20) |
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 E2-3800

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.

E2-3800
The E2-3800 is manufactured by AMD. It was released in 2014-01-01. It is based on the Kabini (2013−2014) architecture. It features 4 cores and 4 threads. Max frequency: 1.3 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: FT3. Thermal design power (TDP): 15 Watt. Memory support: DDR3-1600. Passmark benchmark score: 1,136 points. Launch price was $50.
Processing Power
The Pentium G640T packs 2 cores / 2 threads, while the E2-3800 offers 4 cores / 4 threads — the E2-3800 has 2 more cores. Boost clocks reach 2.4 GHz on the Pentium G640T versus 1.3 GHz on the E2-3800 — a 59.5% clock advantage for the Pentium G640T. The Pentium G640T uses the Sandy Bridge (2011−2013) architecture (32 nm), while the E2-3800 uses Kabini (2013−2014) (28 nm). In PassMark, the Pentium G640T scores 1,139 against the E2-3800's 1,136 — a 0.3% lead for the Pentium G640T.
| Feature | Pentium G640T | E2-3800 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.4 GHz+85% | 1.3 GHz |
| Base Clock | 2.4 GHz | — |
| L3 Cache | 3 MB (total) | — |
| L2 Cache | 256 kB (per core) | 2048 kB+700% |
| Process | 32 nm | 28 nm-13% |
| Architecture | Sandy Bridge (2011−2013) | Kabini (2013−2014) |
| PassMark | 1,139 | 1,136 |
| Geekbench 6 Single | — | 136 |
| Geekbench 6 Multi | — | 389 |
Memory & Platform
The Pentium G640T uses the LGA1155 socket (PCIe 2.0), while the E2-3800 uses FT3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium G640T | E2-3800 |
|---|---|---|
| Socket | LGA1155 | FT3 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1600 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 1 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 4 |
Advanced Features
Virtualization: not specified (Pentium G640T) / Yes (E2-3800). The E2-3800 includes integrated graphics (Radeon HD 8280), while the Pentium G640T requires a dedicated GPU.
| Feature | Pentium G640T | E2-3800 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon HD 8280 |
| AVX-512 | — | No |
| Virtualization | — | Yes |
Value Analysis
The Pentium G640T launched at $64 MSRP, while the E2-3800 debuted at $100. At current prices ($69 vs $20), the E2-3800 is $49 cheaper. In terms of value (PassMark points per dollar), the Pentium G640T delivers 16.5 pts/$ vs 56.8 pts/$ for the E2-3800 — making the E2-3800 the 109.9% better value option.
| Feature | Pentium G640T | E2-3800 |
|---|---|---|
| MSRP | $64-36% | $100 |
| Avg Price (30d) | $69 | $20-71% |
| Performance per Dollar | 16.5 | 56.8+244% |
| Release Date | 2012 | 2013 |
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