GeForce GT 640 vs Radeon HD 7730
GeForce GT 640
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Radeon HD 7730
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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 HD 7730 is on rank 92, so the Radeon HD 7730 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 HD 7730
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 640 is the superior choice for raw performance. It leads with a 0.5% higher G3D Mark score and 300% more VRAM (4 GB vs 1 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7730.
| Insight | GeForce GT 640 | Radeon HD 7730 |
|---|---|---|
| Performance | ✅Leading raw performance (+0.5%) | ❌Lower raw frame rates (-0.5%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+300%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The Radeon HD 7730 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7730 holds the technical lead. Priced at $15 (vs $50), it costs 70% less, resulting in a 231.6% higher cost efficiency score.
| Insight | GeForce GT 640 | Radeon HD 7730 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+231.6%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅More affordable ($15) |
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 HD 7730
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 HD 7730
The Radeon HD 7730 is manufactured by AMD. It was released in May 1 2013. It features the GCN 1.0 architecture. The core clock speed is 800 MHz. It has 384 shading units. The thermal design power (TDP) is 47W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,163 points. Launch price was $59.
Graphics Performance
The GeForce GT 640 scores 1,169 and the Radeon HD 7730 reaches 1,163 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The GeForce GT 640 is built on Kepler while the Radeon HD 7730 uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce GT 640) vs 384 (Radeon HD 7730). Raw compute: 0.6927 TFLOPS (GeForce GT 640) vs 0.6144 TFLOPS (Radeon HD 7730).
| Feature | GeForce GT 640 | Radeon HD 7730 |
|---|---|---|
| G3D Mark Score | 1,169 | 1,163 |
| Architecture | Kepler | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.6927 TFLOPS+13% | 0.6144 TFLOPS |
| ROPs | 16+100% | 8 |
| TMUs | 32+33% | 24 |
| L1 Cache | 32 KB | 96 KB+200% |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 640 | Radeon HD 7730 |
|---|---|---|
| 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 HD 7730 has 1 GB. The GeForce GT 640 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.
| Feature | GeForce GT 640 | Radeon HD 7730 |
|---|---|---|
| VRAM Capacity | 4 GB+300% | 1 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB | 256 KB |
Power & Dimensions
The GeForce GT 640 draws 65W versus the Radeon HD 7730's 47W — a 32.1% difference. The Radeon HD 7730 is more power-efficient. Recommended PSU: 300W (GeForce GT 640) vs 300W (Radeon HD 7730). Power connectors: None vs None.
| Feature | GeForce GT 640 | Radeon HD 7730 |
|---|---|---|
| TDP | 65W | 47W-28% |
| Recommended PSU | 300W | 300W |
| Power Connector | None | None |
| Length | 145mm | — |
| Height | 111mm | — |
| Slots | 1 | — |
| Temp (Load) | 60°C | — |
| Perf/Watt | 18.0 | 24.7+37% |
Value Analysis
The GeForce GT 640 launched at $99 MSRP and currently averages $50, while the Radeon HD 7730 launched at $75 and now averages $15. The Radeon HD 7730 costs 70% less ($35 savings) at current market prices. Performance per dollar (G3D Mark / price): 23.4 (GeForce GT 640) vs 77.5 (Radeon HD 7730) — the Radeon HD 7730 offers 231.2% better value. The Radeon HD 7730 is the newer GPU (2013 vs 2012).
| Feature | GeForce GT 640 | Radeon HD 7730 |
|---|---|---|
| MSRP | $99 | $75-24% |
| Avg Price (30d) | $50 | $15-70% |
| Performance per Dollar | 23.4 | 77.5+231% |
| Codename | GK107 | Cape Verde |
| Release | June 5 2012 | May 1 2013 |
| Ranking | #837 | #841 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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