GeForce RTX 4070 vs GeForce GT 640 Rev. 2
GeForce RTX 4070
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GeForce GT 640 Rev. 2
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce RTX 4070
Performance Per Dollar GeForce GT 640 Rev. 2
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce RTX 4070 is significantly newer (2023 vs 2013). The GeForce RTX 4070 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 640 Rev. 2 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce RTX 4070 is the superior choice for raw performance. It leads with a 2204.7% higher G3D Mark score and 2300% more VRAM (12 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 640 Rev. 2.
| Insight | GeForce RTX 4070 | GeForce GT 640 Rev. 2 |
|---|---|---|
| Performance | ✅Leading raw performance (+2204.7%) | ❌Lower raw frame rates (-2204.7%) |
| Longevity | 🏆Elite Architecture (Ada Lovelace (2022−2024) / 5nm) | 🛑Obsolete Architecture (2013 / Kepler 2.0 (2013−2015)) |
| Ecosystem | ✨ DLSS 3/4 + Frame Gen Support | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (12 GB) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | Standard Size (304mm) | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce RTX 4070 offers a compelling cost-to-performance ratio. Although it costs $550 (vs $99), its significant performance lead justifies the premium, offering 314.8% better value per dollar than the GeForce GT 640 Rev. 2.
| Insight | GeForce RTX 4070 | GeForce GT 640 Rev. 2 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+314.8%) | ❌Lower cost efficiency |
| Upfront Cost | ⚠️Higher upfront cost ($550) | ✅More affordable ($99) |
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 RTX 4070 and GeForce GT 640 Rev. 2
GeForce RTX 4070
The GeForce RTX 4070 is manufactured by NVIDIA. It was released in April 12 2023. It features the Ada Lovelace architecture. The core clock ranges from 1920 MHz to 2475 MHz. It has 5888 shading units. The thermal design power (TDP) is 200W. Manufactured using 5 nm process technology. It features 46 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,919 points. Launch price was $599.
GeForce GT 640 Rev. 2
The GeForce GT 640 Rev. 2 is manufactured by NVIDIA. It was released in May 29 2013. It features the Kepler 2.0 architecture. The core clock speed is 1046 MHz. It has 384 shading units. The thermal design power (TDP) is 49W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,168 points. Launch price was $89.
Graphics Performance
In G3D Mark, the GeForce RTX 4070 scores 26,919 versus the GeForce GT 640 Rev. 2's 1,168 — the GeForce RTX 4070 leads by 2204.7%. The GeForce RTX 4070 is built on Ada Lovelace while the GeForce GT 640 Rev. 2 uses Kepler 2.0, both on 5 nm vs 28 nm. Shader units: 5,888 (GeForce RTX 4070) vs 384 (GeForce GT 640 Rev. 2). Raw compute: 29.15 TFLOPS (GeForce RTX 4070) vs 0.8033 TFLOPS (GeForce GT 640 Rev. 2).
| Feature | GeForce RTX 4070 | GeForce GT 640 Rev. 2 |
|---|---|---|
| G3D Mark Score | 26,919+2205% | 1,168 |
| Architecture | Ada Lovelace | Kepler 2.0 |
| Process Node | 5 nm | 28 nm |
| Shading Units | 5888+1433% | 384 |
| Compute (TFLOPS) | 29.15 TFLOPS+3529% | 0.8033 TFLOPS |
| ROPs | 64+700% | 8 |
| TMUs | 184+475% | 32 |
| L1 Cache | 5.8 MB+19233% | 0.03 MB |
| L2 Cache | 36 MB+27592% | 0.13 MB |
Advanced Features (DLSS/FSR)
A critical advantage for the GeForce RTX 4070 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 640 Rev. 2 lacks specific hardware/driver support for this native frame generation tier.The GeForce RTX 4070 gives access to NVIDIA DLSS (Deep Learning Super Sampling), widely regarding as the superior upscaling method for image quality. The GeForce GT 640 Rev. 2 relies on FSR (FidelityFX Super Resolution), which is capable but generally slightly noisier than DLSS in motion.
| Feature | GeForce RTX 4070 | GeForce GT 640 Rev. 2 |
|---|---|---|
| Upscaling Tech | DLSS 3.5 | FSR 1.0 (Software) |
| Frame Generation | DLSS 3.0 (Native) | Not Supported |
| Ray Reconstruction | Yes (DLSS 3.5) | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The GeForce RTX 4070 comes with 12 GB of VRAM, while the GeForce GT 640 Rev. 2 has 512 MB. The GeForce RTX 4070 offers 2300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 192-bit vs 64-bit. L2 Cache: 36 MB (GeForce RTX 4070) vs 0.13 MB (GeForce GT 640 Rev. 2) — the GeForce RTX 4070 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce RTX 4070 | GeForce GT 640 Rev. 2 |
|---|---|---|
| VRAM Capacity | 12 GB+2300% | 0.5 GB |
| Memory Type | GDDR6X | GDDR5 |
| Memory Bandwidth | 504 GB/s | Unknown |
| Bus Width | 192-bit+200% | 64-bit |
| L2 Cache | 36 MB+27592% | 0.13 MB |
Display & API Support
DirectX support: 12.2 (GeForce RTX 4070) vs 12 (11_0) (GeForce GT 640 Rev. 2). Vulkan: 1.3 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.
| Feature | GeForce RTX 4070 | GeForce GT 640 Rev. 2 |
|---|---|---|
| DirectX | 12.2+2% | 12 (11_0) |
| Vulkan | 1.3+8% | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: 8th Gen NVENC (2x) (GeForce RTX 4070) vs NVENC (Kepler) (GeForce GT 640 Rev. 2). Decoder: 5th Gen NVDEC vs PureVideo HD 5. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4070) vs H.264,MPEG-2,VC-1 (GeForce GT 640 Rev. 2).
| Feature | GeForce RTX 4070 | GeForce GT 640 Rev. 2 |
|---|---|---|
| Encoder | 8th Gen NVENC (2x) | NVENC (Kepler) |
| Decoder | 5th Gen NVDEC | PureVideo HD 5 |
| Codecs | MPEG-2,H.264,HEVC,VP9,AV1 | H.264,MPEG-2,VC-1 |
Power & Dimensions
The GeForce RTX 4070 draws 200W versus the GeForce GT 640 Rev. 2's 49W — a 121.3% difference. The GeForce GT 640 Rev. 2 is more power-efficient. Recommended PSU: 650W (GeForce RTX 4070) vs 300W (GeForce GT 640 Rev. 2). Power connectors: 8-pin vs None. Card length: 304mm vs 145mm, occupying 3 vs 1 slots. Typical load temperature: 80°C vs 65.
| Feature | GeForce RTX 4070 | GeForce GT 640 Rev. 2 |
|---|---|---|
| TDP | 200W | 49W-76% |
| Recommended PSU | 650W | 300W-54% |
| Power Connector | 8-pin | None |
| Length | 304mm | 145mm |
| Height | 137mm | 111mm |
| Slots | 3 | 1-67% |
| Temp (Load) | 80°C | 65-19% |
| Perf/Watt | 134.6+466% | 23.8 |
Value Analysis
The GeForce RTX 4070 launched at $599 MSRP and currently averages $550, while the GeForce GT 640 Rev. 2 launched at $99 and now averages $99. The GeForce GT 640 Rev. 2 costs 82% less ($451 savings) at current market prices. Performance per dollar (G3D Mark / price): 48.9 (GeForce RTX 4070) vs 11.8 (GeForce GT 640 Rev. 2) — the GeForce RTX 4070 offers 314.4% better value. The GeForce RTX 4070 is the newer GPU (2023 vs 2013).
| Feature | GeForce RTX 4070 | GeForce GT 640 Rev. 2 |
|---|---|---|
| MSRP | $599 | $99-83% |
| Avg Price (30d) | $550 | $99-82% |
| Performance per Dollar | 48.9+314% | 11.8 |
| Codename | AD104 | GK208 |
| Release | April 12 2023 | May 29 2013 |
| Ranking | #32 | #786 |
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