
GeForce GT 640
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Radeon RX Vega 10 Ryzen 7 3700C
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Performance Spectrum - GPU
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money. The GeForce GT 640 is positioned at rank 107 and the Radeon RX Vega 10 Ryzen 7 3700C is on rank 406, so the GeForce GT 640 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce GT 640
Performance Per Dollar Radeon RX Vega 10 Ryzen 7 3700C
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon RX Vega 10 Ryzen 7 3700C is significantly newer (2020 vs 2012). The Radeon RX Vega 10 Ryzen 7 3700C likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 640 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce GT 640 is the superior choice for raw performance. It leads with a 0.3% higher G3D Mark score and 100+% more VRAM (4 GB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX Vega 10 Ryzen 7 3700C.
| Insight | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| Performance | ✅Leading raw performance (+0.3%) | ❌Lower raw frame rates (-0.3%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🏆Elite Architecture (Vega (2017−2020) / 7nm) |
| Ecosystem | Supports FSR Upscaling | ✨ FSR 3 / AFMF Support |
| VRAM | ✅ More VRAM (+100+%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The GeForce GT 640 offers a compelling cost-to-performance ratio. Although it costs $50 (vs $50), its significant performance lead justifies the premium, offering 0.3% better value per dollar than the Radeon RX Vega 10 Ryzen 7 3700C.
| Insight | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+0.3%) | ❌Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of GeForce GT 640 and Radeon RX Vega 10 Ryzen 7 3700C

GeForce GT 640
The GeForce GT 640 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. The core clock speed is 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,169 points. Launch price was $99.

Radeon RX Vega 10 Ryzen 7 3700C
The Radeon RX Vega 10 Ryzen 7 3700C is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,166 points.
Graphics Performance
The GeForce GT 640 scores 1,169 and the Radeon RX Vega 10 Ryzen 7 3700C reaches 1,166 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The GeForce GT 640 is built on Kepler while the Radeon RX Vega 10 Ryzen 7 3700C uses Vega, both on 28 nm vs 7 nm. Shader units: 384 (GeForce GT 640) vs 512 (Radeon RX Vega 10 Ryzen 7 3700C).
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| G3D Mark Score | 1,169 | 1,166 |
| Architecture | Kepler | Vega |
| Process Node | 28 nm | 7 nm |
| Shading Units | 384 | 512+33% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GT 640 comes with 4 GB of VRAM, while the Radeon RX Vega 10 Ryzen 7 3700C has 0 MB. The GeForce GT 640 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| VRAM Capacity | 4 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Power & Dimensions
The GeForce GT 640 draws 65W versus the Radeon RX Vega 10 Ryzen 7 3700C's 15W — a 125% difference. The Radeon RX Vega 10 Ryzen 7 3700C is more power-efficient. Recommended PSU: 300W (GeForce GT 640) vs 1W (Radeon RX Vega 10 Ryzen 7 3700C). Power connectors: None vs Integrated.
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| TDP | 65W | 15W-77% |
| Recommended PSU | 300W | 1W-100% |
| Power Connector | None | Integrated |
| Length | 145mm | — |
| Height | 111mm | — |
| Slots | 1 | — |
| Temp (Load) | 60°C | — |
| Perf/Watt | 18.0 | 77.7+332% |
Value Analysis
The GeForce GT 640 launched at $99 MSRP and currently averages $50, while the Radeon RX Vega 10 Ryzen 7 3700C launched at $150 and now averages $50. Performance per dollar (G3D Mark / price): 23.4 (GeForce GT 640) vs 23.3 (Radeon RX Vega 10 Ryzen 7 3700C) — the GeForce GT 640 offers 0.4% better value. The Radeon RX Vega 10 Ryzen 7 3700C is the newer GPU (2020 vs 2012).
| Feature | GeForce GT 640 | Radeon RX Vega 10 Ryzen 7 3700C |
|---|---|---|
| MSRP | $99-34% | $150 |
| Avg Price (30d) | $50 | $50 |
| Performance per Dollar | 23.4 | 23.3 |
| Codename | GK107 | Vega |
| Release | June 5 2012 | January 7 2020 |
| Ranking | #837 | #545 |
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