
GeForce GT 640 vs UHD Graphics 24EUs (Alder Lake-N)

GeForce GT 640
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UHD Graphics 24EUs (Alder Lake-N)
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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. The GeForce GT 640 is positioned at rank #107 in our cost-efficiency ranking, representing a Balanced 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 GeForce GT 640
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The UHD Graphics 24EUs (Alder Lake-N) is significantly newer (2023 vs 2012). The UHD Graphics 24EUs (Alder Lake-N) 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 UHD Graphics 24EUs (Alder Lake-N) is the superior choice for raw performance. It leads with a 2.7% higher G3D Mark score. However, the GeForce GT 640 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce GT 640 | UHD Graphics 24EUs (Alder Lake-N) |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.7%) | ✅Leading raw performance (+2.7%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | Gen. 12 (2021−2023) (10nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100+%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the UHD Graphics 24EUs (Alder Lake-N) remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 UHD Graphics 24EUs (Alder Lake-N)

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.

UHD Graphics 24EUs (Alder Lake-N)
The UHD Graphics 24EUs (Alder Lake-N) is manufactured by Intel. It was released in January 3 2023. It features the Gen. 12 architecture. The core clock ranges from 450 MHz to 750 MHz. It has 24 shading units. The thermal design power (TDP) is 15W. Manufactured using 10 nm process technology. G3D Mark benchmark score: 1,200 points.
Graphics Performance
The GeForce GT 640 scores 1,169 and the UHD Graphics 24EUs (Alder Lake-N) reaches 1,200 in the G3D Mark benchmark — just a 2.7% difference, making them near-identical in rasterization performance. The GeForce GT 640 is built on Kepler while the UHD Graphics 24EUs (Alder Lake-N) uses Gen. 12, both on 28 nm vs 10 nm. Shader units: 384 (GeForce GT 640) vs 24 (UHD Graphics 24EUs (Alder Lake-N)).
| Feature | GeForce GT 640 | UHD Graphics 24EUs (Alder Lake-N) |
|---|---|---|
| G3D Mark Score | 1,169 | 1,200+3% |
| Architecture | Kepler | Gen. 12 |
| Process Node | 28 nm | 10 nm |
| Shading Units | 384+1500% | 24 |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640 | UHD Graphics 24EUs (Alder Lake-N) |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce GT 640 comes with 4 GB of VRAM, while the UHD Graphics 24EUs (Alder Lake-N) 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 | UHD Graphics 24EUs (Alder Lake-N) |
|---|---|---|
| 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 UHD Graphics 24EUs (Alder Lake-N)'s 15W — a 125% difference. The UHD Graphics 24EUs (Alder Lake-N) is more power-efficient. Recommended PSU: 300W (GeForce GT 640) vs 1W (UHD Graphics 24EUs (Alder Lake-N)). Power connectors: None vs Integrated.
| Feature | GeForce GT 640 | UHD Graphics 24EUs (Alder Lake-N) |
|---|---|---|
| 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 | 80.0+344% |
Value Analysis
The GeForce GT 640 launched at $99 MSRP and currently averages $50, while the UHD Graphics 24EUs (Alder Lake-N) launched at $0 and now averages $0. The UHD Graphics 24EUs (Alder Lake-N) costs 100+% less ($50 savings) at current market prices. Performance per dollar (G3D Mark / price): 23.4 (GeForce GT 640) vs Infinity (UHD Graphics 24EUs (Alder Lake-N)) — the UHD Graphics 24EUs (Alder Lake-N) offers Infinity% better value. The UHD Graphics 24EUs (Alder Lake-N) is the newer GPU (2023 vs 2012).
| Feature | GeForce GT 640 | UHD Graphics 24EUs (Alder Lake-N) |
|---|---|---|
| MSRP | $99 | $0-100% |
| Avg Price (30d) | $50 | $0-100% |
| Performance per Dollar | 23.4 | Infinity |
| Codename | GK107 | Alder Lake Xe |
| Release | June 5 2012 | January 3 2023 |
| Ranking | #837 | #914 |
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