GeForce GT 640M vs GeForce RTX 4060 Laptop GPU
GeForce GT 640M
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GeForce RTX 4060 Laptop GPU
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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 640M is positioned at rank #224 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 GeForce GT 640M
Performance Per Dollar GeForce RTX 4060 Laptop GPU
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce RTX 4060 Laptop GPU is significantly newer (2023 vs 2012). The GeForce RTX 4060 Laptop GPU likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 640M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce RTX 4060 Laptop GPU is the superior choice for raw performance. It leads with a 1818.4% higher G3D Mark score and 300% more VRAM (8 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 640M.
| Insight | GeForce GT 640M | GeForce RTX 4060 Laptop GPU |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1818.4%) | ✅Leading raw performance (+1818.4%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 5nm) |
| Ecosystem | Supports FSR Upscaling | ✨ DLSS 3/4 + Frame Gen Support |
| VRAM | ❌ Less VRAM capacity | 🎮 High Capacity (8 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce RTX 4060 Laptop GPU 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 640M and GeForce RTX 4060 Laptop GPU
GeForce GT 640M
The GeForce GT 640M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 625 MHz to 645 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 907 points.
GeForce RTX 4060 Laptop GPU
The GeForce RTX 4060 Laptop GPU is manufactured by NVIDIA. It was released in May 18 2023. It features the Ada Lovelace architecture. The core clock ranges from 2310 MHz to 2535 MHz. It has 4352 shading units. The thermal design power (TDP) is 160W. Manufactured using 5 nm process technology. It features 34 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 17,400 points. Launch price was $399.
Graphics Performance
In G3D Mark, the GeForce GT 640M scores 907 versus the GeForce RTX 4060 Laptop GPU's 17,400 — the GeForce RTX 4060 Laptop GPU leads by 1818.4%. The GeForce GT 640M is built on Kepler while the GeForce RTX 4060 Laptop GPU uses Ada Lovelace, both on 28 nm vs 5 nm. Shader units: 384 (GeForce GT 640M) vs 4,352 (GeForce RTX 4060 Laptop GPU). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 22.06 TFLOPS (GeForce RTX 4060 Laptop GPU). Boost clocks: 645 MHz vs 2535 MHz.
| Feature | GeForce GT 640M | GeForce RTX 4060 Laptop GPU |
|---|---|---|
| G3D Mark Score | 907 | 17,400+1818% |
| Architecture | Kepler | Ada Lovelace |
| Process Node | 28 nm | 5 nm |
| Shading Units | 384 | 4352+1033% |
| Compute (TFLOPS) | 0.48 TFLOPS | 22.06 TFLOPS+4496% |
| Boost Clock | 645 MHz | 2535 MHz+293% |
| ROPs | 16 | 48+200% |
| TMUs | 32 | 136+325% |
| L1 Cache | 0.03 MB | 4.3 MB+14233% |
| L2 Cache | 0.25 MB | 32 MB+12700% |
Advanced Features (DLSS/FSR)
A critical advantage for the GeForce RTX 4060 Laptop GPU is support for DLSS 3 Frame Gen. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The GeForce GT 640M lacks specific hardware/driver support for this native frame generation tier.
| Feature | GeForce GT 640M | GeForce RTX 4060 Laptop GPU |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | DLSS 3.5 |
| Frame Generation | Not Supported | DLSS 3.0 (Native) |
| Ray Reconstruction | No | Yes (DLSS 3.5) |
| Low Latency | Standard | NVIDIA Reflex |
Video Memory (VRAM)
The GeForce GT 640M comes with 2 GB of VRAM, while the GeForce RTX 4060 Laptop GPU has 8 GB. The GeForce RTX 4060 Laptop GPU offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 0.25 MB (GeForce GT 640M) vs 32 MB (GeForce RTX 4060 Laptop GPU) — the GeForce RTX 4060 Laptop GPU has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 640M | GeForce RTX 4060 Laptop GPU |
|---|---|---|
| VRAM Capacity | 2 GB | 8 GB+300% |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | Unknown | 256 GB/s |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 0.25 MB | 32 MB+12700% |
Display & API Support
DirectX support: 11.0 (GeForce GT 640M) vs 12 Ultimate (GeForce RTX 4060 Laptop GPU). Vulkan: 1.1 vs 1.4. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 4.
| Feature | GeForce GT 640M | GeForce RTX 4060 Laptop GPU |
|---|---|---|
| DirectX | 11.0 | 12 Ultimate+9% |
| Vulkan | 1.1 | 1.4+27% |
| OpenGL | 4.5 | 4.6+2% |
| Max Displays | 1 | 4+300% |
Media & Encoding
Hardware encoder: NVENC 1.0 (GeForce GT 640M) vs NVENC (8th Gen) (GeForce RTX 4060 Laptop GPU). Decoder: PureVideo HD VP5 vs NVDEC (5th Gen). Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640M) vs H.264,HEVC,AV1,VP9 (GeForce RTX 4060 Laptop GPU).
| Feature | GeForce GT 640M | GeForce RTX 4060 Laptop GPU |
|---|---|---|
| Encoder | NVENC 1.0 | NVENC (8th Gen) |
| Decoder | PureVideo HD VP5 | NVDEC (5th Gen) |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,HEVC,AV1,VP9 |
Power & Dimensions
The GeForce GT 640M draws 32W versus the GeForce RTX 4060 Laptop GPU's 160W — a 133.3% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 650W (GeForce RTX 4060 Laptop GPU). Power connectors: PCIe-powered vs Mobile. Typical load temperature: 70°C vs 80°C.
| Feature | GeForce GT 640M | GeForce RTX 4060 Laptop GPU |
|---|---|---|
| TDP | 32W-80% | 160W |
| Recommended PSU | 350W-46% | 650W |
| Power Connector | PCIe-powered | Mobile |
| Length | 0mm | — |
| Height | 0mm | — |
| Slots | 0 | 0 |
| Temp (Load) | 70°C-13% | 80°C |
| Perf/Watt | 28.3 | 108.8+284% |
Value Analysis
The GeForce RTX 4060 Laptop GPU is the newer GPU (2023 vs 2012).
| Feature | GeForce GT 640M | GeForce RTX 4060 Laptop GPU |
|---|---|---|
| Avg Price (30d) | $50 | — |
| Codename | GK107 | AD106 |
| Release | March 22 2012 | May 18 2023 |
| Ranking | #909 | #59 |
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